Mathematics High School

PLZ HELP PLZ I NEED IT QUICKLY

Answers

Answer 1

The answer is 31 degrees

Related Questions

Given a quadratic equation px^2 + 8x + 2 does not have real roots. Determine the range of the values of p.
[4 marks]

Answers

Step-by-step explanation:

For a quadratic equation to have no real roots, the discriminant b² - 4ac must be negative.

For px² + 8x + 2 = 0,

We have a = p, b = 8 and c = 2.

=> (8)² - 4(p)(2) < 0

=> 64 - 8p < 0

=> 8p > 64

=> p > 8

Hence the range for p is p > 8.

The cell phone price was originally $457. It is now being sold for $318. State the change to the nearest percent

I really need help

Answers

Answer:

30.4%

Step-by-step explanation:

Given data

originally price $457

new price= $318

Required

The percent mark down

Percent markdown= original- new/original*100

substitute

Percent markdown= 457- 318/457*100

Percent markdown= 139/457*100

Percent markdown=0.304*100

Percent markdown=30.4%

Hence the price was reduced by 30.4%

Please help don’t know answer

Answers

Answer: Slope: 2/3

y-intercept: 9

Step-by-step explanation:

The slope is equivalent to 2/3 and the y intercept is 9

Christina needed 8 pounds of flour to make cookies that will
serve 44 people. How many pounds of flour will Christina
need to feed 66 people?

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Answer:

Step-by-step explanation:

4 pounds is 22 people

8 is 44

12 is 66

X + 5x - 6 < 12 solve for inequality

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Answer:

Step-by-step explanation:

x+5x<12

x+5x=12

12-5x

7 divide by 1

Select the correct answer.

Factor the given expression.

x2 + 16x + 64

A.
(x + 16)(x + 4)
B.
(x + 4)2
C.
(x + 8)(x − 8)
D.
(x + 8)2

Pls help will give brainliest if the answer it right

Answers

Answer: Factors are the numbers and/or variables between your transactions (division, multiplication, addition, and subtraction signs). So the answer would be x2, 16x, and 64.

Step-by-step explanation:

You welcome

Can I get brainliest when sun else answers?

Find the value of x. Your answer must be exact.
х
45° 18

Answers

Answer:

x = 63

Step-by-step explanation:

Simplifying

x + -18 = 45

Reorder the terms:

-18 + x = 45

Solving

-18 + x = 45

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '18' to each side of the equation.

-18 + 18 + x = 45 + 18

Combine like terms: -18 + 18 = 0

0 + x = 45 + 18

x = 45 + 18

Combine like terms: 45 + 18 = 63

x = 63

Simplifying

x = 63

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Answer:

the middle sign

Step-by-step explanation:

What is the value of 20+6•5/-2

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Answer:

The answer is 25

Step-by-step explanation:

6•5=30

30+20=50

50/-2=25

Zoe went shopping for a new pair of pants. The listed price of the pair of pants was
$45, but the price with tax came to $46.35. Find the percent sales tax.
ASAP!

Answers

Answer:

Step-by-step explanation:

46.35 - 45 = 1.35 (change)

change/original price X 100

1.35/45 = 0.03

0.03 X 100 = 3

sales tax 3%

10.) Combine the like terms in the following expression: 8 + 3x + x + 5 + 2x *

Answers

Answer:

6x+13

Step-by-step explanation:

I hope this is right.

I’m pretty sure it’s 6x+13

MMMM THE MODERATORS ARE MAKING ME FLIPPING ANGRY! I NEED SOMEONE TO ANSWER MY QUESTION PLEASE .

Answers

Answer:

780

Step-by-step explanation:

So 5% is 39 so 5% x 20 is 100% do the same with the 39 so do

39 x 20 = 780

The cylinder shown here has a height of 7 centimeters and a radius of 4 centimeters. What is the area of the base of the cylinder? Express your answer in terms of 1. Do not include units (cm2) in your answer. Use pi to represent the n symbol. For example: 321 would be typed as 32pi

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Answer: 16pi

Step-by-step explanation:

3.2÷(0.16+0.24)2( the 2 right next to this is a exponent)

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Answer should be “20”

By the way next time just do (0.16+0.24)^2

Identify the y-intercept of the graph of the equation.

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Answer:

Step-by-step explanation:

the y intercept is were x=0

You and a friend tutor for a total of 12 hours. Use the
tape diagram to find how many hours you tutor.
You
Friend

Answers

The answer is 2
12/6=2
2x2=4

Solve 7+2x over 3 = 5

Please and thank you! x

Answers

Answer:

x = 4

Step-by-step explanation:

(7 + 2x) / 3 = 5

Cross product

7 + 2x = 5 * 3

7 + 2x = 15

Subtract 7 from both sides

2x = 15 - 7

2x = 8

Divide both sides by 2

x = 8/2

x = 4

Solve the system of equations using elimination, or write “no solutions” or “infinite solutions” where applicable

4x-y = 7

Answers

Answer:

no solutions

Step-by-step explanation:

i guess im

PLEASE HELP!!
Which inequality describes all the solutions to -5x + 6 -9
B. x 4

Answers

Answer:

-5x-3

Step-by-step explanation:

-5x+6-9=-5x-3

The inequality that describes all the solutions to the given inequality expression is x > 4

Given the inequality expression -5x + 6 < 2(-3 − x)

Expand the right-hand side of the ineqality

-5x + 6 < -6 - 2x

Collect the like terms

-5x + 2x < -6 - 6

-3x < -12

Divide both sides by -3

-3x/-3 > -12/-3

x > 4

Hence the inequality that describes all the solutions to the given inequality expression is x > 4

Learn more here: https://brainly.com/question/15816805

The volume of a cylinder whose radius is 2r cm and height h/4cm is______________

Answers

Answer:

V=πrh/2

Step-by-step explanation:

volume of a cylinder can be calculated using below formula

V=πr2h

Given:

radius =2r cm

height= h/4cm

If we substitute the given value into the formula we have πrh/2

V= π ×(2r) ×(h/4)

Simplyfying

V=πrh/2

Hence, The volume of a cylinder is V=πrh/2

I rlly need help and the operation bby plssssss help me

Answers

AFE=35 degrees because 180=55+90+x

Answer:

∠ AFE = 35°

Step-by-step explanation:

∠ EFD = ∠ BFC = 55° ( vertically opposite angles )

Since BD is a straight line , then

∠ EFD + ∠ AFE + AFB = 180°, that is

55° + ∠ AFE + 90° = 180

∠ AFE + 145° = 180° ( subtract 145° from both sides )

∠ AFE = 35°

Write each percent as a fraction in simplest form.
12%

Answers

12% as a fraction is 12/100 but it’s simplest form is 3/25

Part 1
Washington, DC, was warmer in February (4.3°F)than in December (44°F). Write an inequality for this relationship.

Answers

Because December is really cold

Answer:

Step-by-step explanation:

4.3 °F > 4 1/4 °F

A thermometer is used to calculate the average kinetic energy of the molecules in in a substance what is the theoretical temperature at which molecular motion stop?
A. 9 degrees Celsius
B. 32 degrees Fahrenheit
C. Absolute
D. 273 Kalvin

Answers

.....The answer is C

Plz help I don’t understand how to do this problem

Answers

Answer:

a) 6b) 3t² - 17t + 28c) 3t² - 5t - 2

Step-by-step explanation:

Given function:

g(t) = 3t² - 5t + 4

a) g(2)

g(2) = 3*2² - 5*2 + 4 = 3*4 - 10 + 4 = 12 - 6 = 6

b) g(t - 2)

g(t - 2) = 3(t - 2)² - 5(t - 2) + 4 = 3(t² - 4t + 4) - 5t + 10 + 4 = 3t² - 12t + 12 - 5t + 16 = 3t² - 17t + 28

c) g(t) - g(2)

g(t) - g(2) = 3t² - 5t + 4 - 6 = 3t² - 5t - 2

Margo participated in a surfing competition. During the competition, the height of the ocean waves increased from two feet to six feet. a. Identify how many times greater the amount of energy carried by the six-foot wave was than the amount of energy caried by the two-foot wave. Explain your reasoning.

Answers

Answer:

three times the two foot wave wuold be the six foot wave

Step-by-step explanation:

because its right

PLS HELP NOOOOOOOOOOOOOOOOWWWWWWWWWWWWWW

Answers

Answer:

cant its blocked

Step-by-step explanation:

4|m-n|
If m=-7 and n=2

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you would first substitute -7 for m and 2 for n. It would look like this: 4| -7-2 | . we first solve the absolute value because it is the first step in PEMDAS or order of operations. -7-2 is equal to -9. Our equation should look like this now: 4 |-9| . we solve the absolute value portion, the absolute value of a negative number is the the same number but positive. the absolute value would be 9. (we just take the negative symbol off). we now have 4 x 9. This is equal to 36.

36 is the answer.

The coordinates of a triangle are P(1, 4), Q(3, 6), and R(5, 2). The triangle is reflected over a line and its image coordinates are P'(–1, 4), Q'(–3, 6), and R'(–5, 2).

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Answer:

Its reflected over the y axis

factorize -pq -pr +mq +mr

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Answer:

(q + r) (m - p)

Explanation:

-pq - pr + mq + mrFactor out common term 'p'

= -p(q + r) + mq + mr

Factor out common term 'm'

= -p(q + r) + m(q + r)

Factor out common term '(q + r)'

= (q + r) (-p + m)

(q + r) (m - p)

- PNW

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Sahil watched a demonstration in which a scientist combined two substances in a sealed container and analyzed the results. The ending substances did not look the same as the starting substances.Sahil was given a diagram with the repeating groups of atoms that make up the starting substances, plus information about the properties of the starting and ending substances. He created a model of the repeating groups of atoms that might make up the two ending substances.Does his model correctly show why the properties of the ending substances are different from the properties of the starting substances? Describe what could be correct or incorrect about his model. Implement the method countInitial which accepts as parameters an ArrayList of Strings and a letter, stored in a String. (Precondition: the String letter has only one character. You do not need to check for this.) The method should return the number of Strings in the input ArrayList that start with the given letter. Your implementation should ignore the case of the Strings in the ArrayList. Hint - the algorithm to implement this method is just a modified version of the linear search algorithm. Use the runner class to test your method but do not add a main method to your U7_L4_Activity_One.java file or your code will not be scored correctly. What is the solution of the system? {5xy=21x+y=3 Enter your answer in the boxes. ( , ) The equation 3x + 2 = 29 is modeled below.Which is the first step in solving the equation for x? What is the price of $45 art set with 7% tax in 2001 an outbreak of hoof-and-mouth disease in europe led to the burning of millions of cattle carcasses. discuss the demand and supply implication caused by the outbreak, for an in-depth analysis of the discussion topic you may use all of the resources available to you. what impact would you expect on the supply of cattle hides, hide prices, the supply of leather goods, and the price of leather goods how does fallacious reasoning ruin the validity of an argumentA) it uses emotions rather than logic to convince people of a claim B) it convinces people to accept evidence in support of a claimC) it persuades people to accept the authors claim without proofD) it tries to persuade by using reasoning that is not sound or logical Expanding an EmpireWarm-UpWhy might a country want to increase its power or expand its territory? Check all that apply.to bolster its defensesto restrict its military expensesto limit trade with other nationsto acquire new territory and resourcesto gain access to new economic marketsto spread its values to other parts of the world A flying squirrel's nest is 6 meters high in a tree. From its nest, the flying squirrel glides 8 meters to reach an acorn that is on the ground. How far is the acorn from the base of the tree? If necessary, round to the nearest tenth. is this a real person Corey need a 24 boards that are 47 1/2 inches long A. How many feet a boards should he buy? Explains.B. if you can only buy 8-fot boards, how many should he buy? explain What is the y-intercept of the graph of the line given by the equation 3y + 4x = 15A. 5B. 4C. 3D. -4/3 *VIOLINIST* URGENT HELPFill in bubbles with note names (letters)YOU MUST INCLUDE FLATS AND SHARP SIGNS Discussion Prompt: A fair coin is tossed twice and the number of heads is recorded. Jose says the P(1 head) = 1/2, while Jeff students says P(1 head) = 1/3. Explain in detail why Jose is correct. which of the following is falseA.famous people have to work har to maintain there bodysB. looking like your favorite celbrity is a good fitness goal for you.C.Many celebritys struggle with eating disorders.D. tecnology can alter a persons apperence in magizines or on television Read these lines from "lf" by Rudyard Kipling. The first three lines are an example of If you can dream - and not make dreams your master; If you can think - and not make thoughts your aim; If you can meet with Triumph and Disaster And treat those two impostors just the same; O dialogue O repetition O stanzas. O onomatopeia which of the following choices is a possible length for DF? 17 39 19 please help:-) 1111 Describe how a business such as a supermarket or a department store uses classification to make it easier for its customers to find a particular type of merchandise. Andre drives a bike for 4 hours covering 160 km. Find the distance covered by him in 7 hours.