A.

$10.66

B.

$11.49

C.

$12.82

D.

$14.61

**Answer:**

$11.49

**Step-by-step explanation:**

**Answer:**

$11.49

**Step-by-step explanation:**

Habib is making some scones.

His recipe tells him to bake the scones at 356°F for 30 minutes.

The temperature gauge on Habib's oven shows the temperature in

degrees Celsius, "C.

The formula to convert °F (Fahrenheit) into °C is:

C = 5F - 160

At what temperature, in °C, should Habib bake his scones?

Answer:

1620°C

Step-by-step explanation:

Using the equation

C = 5F - 160, at 356°F we'll have

C = 5(356) - 160

C = 1780 - 160

C = 1620°C

Find the slope between:

(4, -1)

(-2,4)

**Answer:**

-5

----

6

**Step-by-step explanation:**

y2-y1

-------

x2-x1

-1-4 -5

------ = ---

4--2 6

~Anna

What is the water shed

**Answer:**

Watershed is a drainage basin in a particular area where precipitation collects or stores and drains off in a river or bay etc.

hope it helps!

**Answer: A watershed describes an area of land that contains a common set of streams and rivers that all drain into a single larger body of water, such as a larger river, a lake or an ocean. the Mississippi River watershed is an enormous watershed. Small watersheds are usually part of larger watersheds.**

Kobe’s birthday is in July and it is always hot. This year, he wants to have popsicles as a cool snack. If Kobe expects 90 people to be at the party, does it make more sense to buy 100 pack of popsicles or multiple 16-packs?

**Answer:**

100 pack

**Step-by-step explanation:**

Well first just calculate the cost. 16 * 6 = 96

1.75 * 6 = 10.5

100 popsicles is cheaper.

100 pack then just save the last 10

j divided by 9 is 5 , write an equation to represent the following statement

**Answer:**

The first answer is incorrect

**Step-by-step explanation:**

45 divided by 9 is 5 not 40

The **equation **that represents the **statement **is j / 9 = 5.

An **equation **is a mathematical **statement **that is formed when two algebraic **expressions **are equated using an equal sign.

The **statement **j divided by 9 is 5 can be written in **equation **form as follows:

j / 9 = 5

j = 45

To know more about **Equation**

https://brainly.com/question/10413253

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Write in slope-intercept form an equation of the line that passes through the given points. (2, 4), (3, 6) y=

Answer:

m=6-4/3-2=2/1=2

y-4=2(x-2)

y-4=2X-4

y=2X

A boat is anchored 2.2 km due south of a lighthouse. Along the shore, the town of Beachton is 16.8 km due east of the lighthouse. Enter a number in the box to correctly complete the statement. Round the answer to the nearest tenth. The distance from the boat to Beachton is 16 point 9 km

Answer:

16.9 km

Step-by-step explanation:

From the diagram attached, we can see that the problem forms a triangle.

So, to find the distance(d) from the boat to Beachton , we can make use of Pythagoreas theorem.

Thus;

d² = 16.8² + 2.2²

d² = 282.24 + 4.84

d² = 287.08

d = √287.08

d = 16.9434

Approximating to the nearest tenth, we have;

d ≈ 16.9 km

Lilly saw a jellyfish at 6 feet below sea level.She saw a bright blue fish at 10 feet below sea level. What is the distance between the blue fish and the jellyfish

**Answer:**

**Step-by-step explanation:**

4 feet

**Answer:**

It would be 4 feet because 6-10 is 4 its really easy

**Step-by-step explanation:**

I hope i helped?

Divide -x^3-2x^2-2x+4 by x -3

**Answer:**

− x 2 − 5 x − 17 − 47 x − 3

**Step-by-step explanation:**

Divide using polynomial division.

Polynomial :

An algebraic expression consisting of one or more summed terms, each term consisting of a constant multiplier and one or more variables raised to integral powers.

Whitney is making a strawberry cake for her brother's birthday. The cake pan is a right rectangular prism cm20, wide by cm28, long. Whitney puts 1848 cm cubed of batter into the pan.

**Answer:**

3.3 cm

**Step-by-step explanation:**

Volume of a rectangular prism =Length X Width X Height

Volume of the cake batter [tex]=1848cm^3[/tex]

The cake pan is a right rectangular prism 20cm wide by 28cm long.

Therefore:

1848=20 X 28 X Depth

1848=560 X Depth

Depth=1848/560

Depth of the batter=3.3 cm

The batter is **3.3cm** deep in the pan.

help plz! (a + b - c)(a + b + c) multiplying polynomials

**Answer:**

a^2 + 2ab + b^2 - c^2

**Step-by-step explanation:**

When you multiply all the terms together you get a^2 + ab + ac + ab + b^2 + bc - ac - bc - c^2. Then you can just combine like terms and simplify it to a^2 + 2ab + b^2 - c^2. Hope this helps :)

how to solve for pi and

**Answer:**

pi=3.14

**Step-by-step explanation:**

3.14

**Answer:**

You’ve studied and now you’re geared up for the ACT math section (whoo!). But are you ready to take on the most challenging math questions the ACT has to offer? Do you want to know exactly why these questions are so hard and how best to go about solving them? If you’ve got your heart set on that perfect score (or you’re just really curious to see what the most difficult questions will be), then this is the guide for you.

We’ve put together what we believe to be the most 21 most difficult questions the ACT has given to students in the past 10 years, with strategies and answer explanations for each. These are all real ACT math questions, so understanding and studying them is one of the best ways to improve your current ACT score and knock it out of the park on test day.

Brief Overview of the ACT Math Section

Like all topic sections on the ACT, the ACT math section is one complete section that you will take all at once. It will always be the second section on the test and you will have 60 minutes to completed 60 questions.

The ACT arranges its questions in order of ascending difficulty. As a general rule of thumb, questions 1-20 will be considered “easy,” questions 21-40 will be considered “medium-difficulty,” and questions 41-60 will be considered “difficult.”

The way the ACT classifies “easy” and “difficult” is by how long it takes the average student to solve a problem as well as the percentage of students who answer the question correctly. The faster and more accurately the average student solves a problem, the “easier” it is. The longer it takes to solve a problem and the fewer people who answer it correctly, the more “difficult” the problem.

(Note: we put the words “easy” and “difficult” in quotes for a reason—everyone has different areas of math strength and weakness, so not everyone will consider an “easy” question easy or a “difficult” question difficult. These categories are averaged across many students for a reason and not every student will fit into this exact mold.)

All that being said, with very few exceptions, the most difficult ACT math problems will be clustered in the far end of the test. Besides just their placement on the test, these questions share a few other commonalities. We'll take a look at example questions and how to solve them and at what these types of questions have in common, in just a moment.

But First: Should You Be Focusing on the Hardest Math Questions Right Now?

If you’re just getting started in your study prep, definitely stop and make some time to take a full practice test to gauge your current score level and percentile. The absolute best way to assess your current level is to simply take the ACT as if it were real, keeping strict timing and working straight through (we know—not the most thrilling way to spend four hours, but it will help tremendously in the long run). So print off one of the free ACT practice tests available online and then sit down to take it all at once.

Once you’ve got a good idea of your current level and percentile ranking, you can set milestones and goals for your ultimate ACT score. If you’re currently scoring in the 0-16 or 17-24 range, your best best is to first check out our guides on using the key math strategies of plugging in numbers and plugging in answers to help get your score up to where you want it to. Only once you've practiced and successfully improved your scores on questions 1-40 should you start in trying to tackle the most difficult math problems on the test.

If, however, you are already scoring a 25 or above and want to test your mettle for the real ACT, then definitely proceed to the rest of this guide. If you’re aiming for perfect (or close to), then you’ll need to know what the most difficult ACT math questions look like and how to solve them. And luckily, that’s exactly what we’re here for.

body_green_light

Ready, set...

21 Hardest ACT Math Questions

Now that you're positive that you should be trying out these difficult math questions, let’s get right to it! The answers to these questions are in a separate section below, so you can go through them all at once without getting spoiled.

#1:

body_ACT_0506_-_56

#2:

body_ACT_0506_-_59

#3:

body_ACT_0809_-_38_J

#4:

body_ACT_0809_-_54

#5:

body_ACT_0809_-_55-1

#6:

body_ACT_0809_-_56

#7:

body_ACT_0809_-_57-1

#8:

body_ACT_0809_-_60

#9:

body_ACT_1112_-__48-1

#10:

body_ACT_1112_-_45

#11:

body_ACT_1112_-_51-1

#12:

body_ACT_1112_-_52

#13:

body_ACT_1112_-_53

#14:

body_ACT_1112_-_58

#15:

body_ACT_1314_-_55-1

#16:

body_ACT_1314_-_59

#17:

body_ACT_1516_-_43

#18:

body_ACT_1516_-_44

#19:

body_ACT_1516_-_52

#20:

body_ACT_1516_-_57-1

#21:

body_ACT_1516_-_58-1

**Step-by-step explanation:**

100 points. Easy question.

Topic: Adding and Subtracting fractions.

ONLY DO QUESTION 8 NOT 9 AND 10

**Answer:**

17 1/8 km

**Step-by-step explanation:**

6 7/8 + 5 1/2 + 4 3/4

The common denominator is 8

6 7/8 already has a denominator of 8

5 1/2 = 5 1/2*4/4 = 5 4/8

4 3/4 *2/2 = 4 6/8

6 7/8 + 5 4/8 + 4 6/8

15 17/8

15 + 8/8+ 8/8+1/8

15 + 1 + 1 + 1/8

17 1/8

**Answer:**

[tex]\boxed{17\frac{1}{8} \ \sf{km}}[/tex]

**Step-by-step explanation:**

6 7/8 + 5 1/2 + 4 3/4

Turn to improper fractions.

55/8 + 11/2 + 19/4

Make denominator equal by LCM.

55/8 + 44/8 + 38/8

Add fractions because they have same denominators.

137/8

Turn to mixed fraction.

17 × 8 = 136 + 1

17 1/8

Find each percent of change. Round to the nearest whole percent. State

whether the percent of change is an increase or decrease. $240 to $320

**Answer:400**

**Step-by-step explanation:3704**

11=3x-4

x=....

thanks all

**Answer:**

the value of x is 5 .

**Step-by-step explanation:**

**I****n**** ****o****r****d****e****r**** ****t****o**** ****f****i****n****d**** ****t****h****e**** ****v****a****l****u****e**** ****o****f**** ****x****,**** ****y****o****u**** ****h****a****v****e**** ****t****o**** ****m****o****v****e**** ****t****h****e**** ****u****n****r****e****l****a****t****e****d**** ****t****e****r****m****s**** ****t****o**** ****t****h****e**** ****o****t****h****e****r**** ****s****i****d****e**** ****b****y**** ****a****d****d****i****n****g**** ****4**** ****t****o**** ****b****o****t****h**** ****s****i****d****e****s**** ****:**

**[tex]11 = 3x - 4[/tex]**

**[tex]11 + 4 = 3x - 4 + 4[/tex]**

**[tex]15 = 3x[/tex]**

**N****e****x****t****,**** ****y****o****u**** ****h****a****v****e**** ****t****o**** ****d****i****v****i****d****e**** ****i****t**** ****b****y**** ****3**** ****:**

**[tex]3x = 15[/tex]**

[tex]x = 15 \div 3[/tex]

[tex]x = 5[/tex]

**Answer:**

the answer is attached to the picture

**Step-by-step explanation:**

hope this helps

Find the slope of the line passing through the poin (- 3, 7) (2, - 6)

**Answer:**

[tex] \frac{13}{ - 5} [/tex]

**Step-by-step explanation:**

[tex] \frac{y1 - y2}{x1 - x2} \\ \frac{7 - ( - 6)}{ - 3 - 2} \\ \frac{7 + 6}{ - 5} \\ = \frac{13}{ - 5} [/tex]

Answer:

-2.6

Step-by-step explanation:

Slope or gradient is the ratio of the vertical (y axis) and horizontal distances (x axis) between two points on a line.

It should be noted that it is defined as zero if the line is horizontal, but undefined if it is vertical.

Given:

Coordinates (- 3, 7) (2, - 6)

y1 = 7, y2= -6, x1= -3, x2=2

Slope : ∆ y/ ∆ x

= (y2 - y1 )/ (x2 - x1)

= (-6 - (7))/ (2 - (-3))

= (-13)/(5) = -13:5= -2.6

Hailey has 48 inches of ribbon. How many feet of ribbon does she have?

Conversion:

12 inches = 1 foot

Divide:

48 / 12 = 4

Therefore, Hailey has **4 feet** of ribbon.

Best of Luck!

**Answer: 4 foot of ribbon**

**Step-by-step explanation: there is 12 inches in one foot so this means to get the answer you must divide 48 by 12 to get 4 so 4 feet is the answer**

**hope this helps and mark me brainliest if it did hope you have a great day**

Guyss please help me with this question. I tried a thousand times but it's still incorrect.

**Answer: **[tex]17.68cm[/tex]

**Step-by-step explanation:**

Using the area formula of a cone, find the height first.

[tex]A=\pi r(r+\sqrt{h^2+r^2})[/tex]

Solve for h,

Begin by dividing by [tex]\pi r[/tex]

[tex]\frac{A}{\pi r}=r+\sqrt{h^2+r^2}[/tex]

Subtract r.

[tex]\frac{A}{\pi r}-r=\sqrt{h^2+r^2}[/tex]

Square both sides.

[tex](\frac{A}{\pi r}-r)^2=(\sqrt{h^2+r^2})^2[/tex]

[tex](\frac{A}{\pi r}-r)^2=h^2+r^2[/tex]

Subtract [tex]r^2[/tex]

[tex](\frac{A}{\pi r}-r)^2-r^2=h^2[/tex]

Extract the square root.

[tex]\sqrt{(\frac{A}{\pi r}-r)^2-r^2 } =\sqrt{h^2}[/tex]

[tex]\sqrt{(\frac{A}{\pi r}-r)^2-r^2 } =h[/tex]

Plug in your values.

[tex]\sqrt{[\frac{670cm^2}{(3.14)(8cm)}-(8cm)]^2-(8cm)^2 } =h[/tex]

Solve;

[tex]\sqrt{[\frac{670cm^2}{25.12cm}-(8cm)]^2-(8cm)^2 } =h[/tex]

[tex]\sqrt{[26.67cm-(8cm)]^2-(8cm)^2 } =h[/tex]

[tex]\sqrt{(18.67cm)^2-(8cm)^2 } =h[/tex]

[tex]\sqrt{348.57cm^2-64cm^2}=h[/tex]

[tex]\sqrt{284.57cm^2}=h[/tex]

[tex]15.77cm=h[/tex]

------------------------------------------------------------------

Now, to find the slant height use this formula: [tex]l=\sqrt{h^2+r^2}[/tex]

[tex]l=\sqrt{(15.77cm)^2+(8cm)^2}\\l=\sqrt{248.69cm^2+64cm^2}\\ l=\sqrt{312.69cm^2}\\ l=17.68cm[/tex]

Stir-fry is Vince's favorite food to cook, but it always makes a lot of smoke! Vince needs to know the volume of his kitchen so he can buy a fan that is the right size. Vince's kitchen has a floor area of 85 square feet. The height of the ceiling is 8 feet. What is the volume of Vince's kitchen?

Answer:

The volume of Vince’s Kitchen is 680 cubic feet

Step-by-step explanation:

To calculate the volume of Vince’s kitchen, what is needed to be done is to multiply the area of the floor by the height of the kitchen

Mathematically Volume V of kitchen = area of kitchen floor * height of kitchen

From the question, the area of the kitchen floor = 85 square feet

Height of kitchen = 8 feet

Plugging these values to get the area of the Kitchen, we have;

V = 8 * 85 = 680 cubic feet

PLZ HELP!! :)

You estimate that a lamb weighs 10 pounds. The actual weight of the lamb is 13 pounds. Find the percent error. Round your answer to the nearest hundredth of a percent.

**Answer:**

30%

**Step-by-step explanation:**

Seems as if that lamb was thiccccca than what you thought

What is the distance between (2,4) and (5,-2)

**Answer:**

my answer is 3√ 5

**Answer:**

-3

**Step-by-step explanation:**

Here is the formula for this one: (x 2- x 1) + (y 2- y 1).

Hope this helps.

Question 28

Let be an angle in quadrant such that.

Find the exact values of and.

**Answer:**

see explanation

**Step-by-step explanation:**

Since Θ is an angle in the third quadrant, then secΘ < 0 and tanΘ > 0

Using the identity

sec x = [tex]\frac{1}{cosx}[/tex] , then

cos x = - [tex]\sqrt{1-sin^2x}[/tex]

= - [tex]\sqrt{1-(-3/5)^2}[/tex] = - [tex]\sqrt{1-\frac{9}{25} }[/tex] = - [tex]\sqrt{\frac{16}{25} }[/tex] = - [tex]\frac{4}{5}[/tex], thus

secΘ = [tex]\frac{1}{-\frac{4}{5} }[/tex] = - [tex]\frac{5}{4}[/tex]

---------------------------

Using the identity

tan x = [tex]\frac{sinx}{cosx}[/tex] , then

tanΘ = [tex]\frac{-\frac{3}{5} }{-\frac{4}{5} }[/tex] = - [tex]\frac{3}{5}[/tex] × - [tex]\frac{5}{4}[/tex] = [tex]\frac{3}{4}[/tex]

The **value **of sec(x) is **(5/4)** and tan(x) will be **(-3)(4).**

The branch of **mathematics **sets up a relationship between the sides and the angles of the **right**-angle triangle termed **trigonometry**.

Sine, cosine, **tangent**, cosecant, secant, and cotangent are some of their names. The adjacent side, opposite side, and **hypotenuse **side of the right **triangle **are used to define each of these **trigonometric **ratios.

The six **trigonometric **ratios are the source of all **fundamental **trigonometric identities.

The given **value **of sin (x) is ( -3 / 5 ). The values of **sec(x) **and tan(x) will be calculated as below:-

sec(x) = 1 / cos(x)

[tex]cosx = \sqrt{1-sin^2x}[/tex]

[tex]cosx = \sqrt{1-(\dfrac{-3}{5})^2}[/tex]

cos(x) = 4 / 5

sec(x) = 1 / ( 4 / 5 ) = ( 5/ 4)

The **value **of tan(x) will be **calculated **as:-

tan(x) = sin(x)/cos(x) = ( -3 / 5 ) / (4 / 5 )

tan(x) = (-3/4)

Therefore, the **value **of sec(x) is **(5/4)** and tan(x) will be **(-3)(4).**

To know more about **Trigonometry **follow

https://brainly.com/question/24349828

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If the original quantity is 10 and the new quantity is 13, what is the percent increase?

**Answer:**

30%

**Step-by-step explanation **

**13 is a 30% increase of 10.**

**Answer:**

30% increase

**Step-by-step explanation:**

subtract original quantity from new quantity: 13 - 10 = 3

divide the difference by original quantity: 3/10 = 0.30

convert that result to percentage by moving decimal place over twice to the right.

You're done! Answer = 30%

2. 2x - y = 6,

- x + y = -1

**Answer:**

x = 5

y = 4

**Step-by-step explanation:**

just substitute the value of one variable into the other

-x +y = -1

or y = -1 +x <-------- (i just added x to the right side)

now u know what y is equal to, just substitute that value into the first equation

2x - (-1+x) = 6 <-------- instead of y, i put the value of y from the 2 equation

NOW SOLVE FOR X!

2x +1 -x = 6

x + 1 = 6

x = 5

now solve for y since you have the value of x

y = -1 + x

or y = -1 + 5

y = 4

**Answer:**

y=3.166 x=4.166

**Step-by-step explanation:**

In the inequality, what are all the possible values of x?

−8x + 6 ≤ 2(−3x + 1)

A) x ≥ 2

B) x ≤ 2

C) x > 1/2

D) x < −1

**Answer:**

A

**Step-by-step explanation:**

-8*2+6≤2(-3*2+1)

= -10≤-10

the quadratic function h(t}= -16.1t2+150

**Answer:**

Huh. I don't really see the question at hand.

Need help ASAP. WILL MARK BRAINLIEST

Answer:it is b2 I took the test

Step-by-step explanation:

Now mark me braunliest

A data set has a lower quartile of 3 and an interquartile range of 5. Which box plot could represent this data set?

A box-and-whisker plot. The number line goes from 0 to 25. The whiskers range from 2 to 15, and the box ranges from 3 to 8. A line divides the box at 6.

A box-and-whisker plot. The number line goes from 0 to 25. The whiskers range from 4 to 16, and the box ranges from 4 to 11. A line divides the box at 9.

A box-and-whisker plot. The number line goes from 0 to 25. The whiskers range from 2 to 15, and the box ranges from 3 to 10. A line divides the box at 8.

A box-and-whisker plot. The number line goes from 0 to 25. The whiskers range from 3 to 16, and the box ranges from 4 to 9. A line divides the box at 7.

**Answer:A**

**Step-by-step explanation:**

A **box**-and-**whisker plot**. The number line goes from 0 to 25. The whiskers range from 2 to 15, and the box ranges from 3 to 8. A line divides the box at 6. Option A is correct.

A **straightforward method **of expressing statistical data on a plot in which a rectangle is drawn to represent the **second **and **third quartiles**, with a vertical line inside to indicate the median value. Horizontal lines on both sides of the rectangle show the lower and **upper quartiles**.

Here,

The lower quartile (Q1) of the data set is 3, so the bottom of the box must start at 3.

The interquartile range (IQR) is 5, so the upper quartile (Q3) must be

Q1 + IQR = 3 + 5 = 8

The median (also called the first quartile) is halfway between Q1 and Q3, so it must be at (Q1 + Q3) / 2 = (3 + 8) / 2 = 6.

The whiskers extend to the minimum and maximum values within 1.5 * IQR of the box, so they must range from 2 to 15.

Learn more about **box plots **here:

brainly.com/question/1523909

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HELP PLZ 12+points

Select the correct answer from the drop-down menu.

Luther and Nelson are seniors on the school basketball team. The box plots represent the number of points they scored in 20 randomly selected games.

The number of points Nelson scores in each game is generally__?___ the number of points Luther scores in each game.

CHOICES FOR THE BLANK:

A)greater than

B)less than

C)the same as

**Answer:**

more than

**Step-by-step explanation:**

Answer: (A ) greater than

Step-by-step explanation:

The answer is greater than the number Of points Luther scores in each game

All you have to do is count the little lines and wherever the little end part of the line in box ends is the number of points he gets a game so Nelson is 24 points and Luther is 19 points.

Which rule describes the relationship between the x- and y- coordinates on line m?

Choose one answer:

A) y = x + 1

B) y = 2x + 1

Answer: My bad I don’t know how to teach it but it’s B

The temperature of a sample of gas in a steeltank at 30.0 kPa is increased from -100.0C to25.0 C. What is the final pressure inside thetank?A. 5.17 kPaB. 51.7 kPaC. 517 kPaD. 5170 kPa
Data collected from selected major metropolitan areas in the eastern United States show that 5% of individuals living within the city limits move to the suburbs during a one-year period, while 2% of individuals living in the suburbs move to the city during a one-year period.Prepare the matrix of transition probabilities.
6The sun is at an angle ofelevation of 58. A tree casts ashadow 20 meters long on theground. How tall is the tree?a) 71 mb) 11 mc) 17 md) 80 me) 32 m
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what is the result when 2^4-5^3+8^2-4-16 is divided by x-2
History signifigance of gettysburg address
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HELP ASAP PLS HELP PLSSSS
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Economy slowed down after what?WW1Great DepressionWW2