Will Mark Brainlest Help pls​

Will Mark Brainlest Help Pls

Answers

Answer 1

Answer:

can you snap it again it's not clear


Related Questions

How many pounds of water must be evaporated from 50 pounds of a 3% salt solution so that the the remaining solution will be 5 % salt

Answers

Answer:

Step-by-step explanation:

This is kinda tricky, but not nearly as bad as d = rt problems. Those are a nightmare!

We will make a table for this:

                         #lbs solution           *          % salt         =           lbs. salt

  3% solution

-  Water                                                                                                      

New solution

And we will now fill in what we know. The 3% solution part is easy. The number of pounds of that is 50 and the percent salt in 3% salt is....well, 3%. As a decimal, it is .03:

                             #lbs solution        *        %salt        =        lbs salt

  3% solution                50                 *          .03         =           1.5

-  Water                                                                                                

New solution

The last column there with a 1.5 in it is the product of 50 times .03, since that is what the formula at the top of the table tells us we have to use. Now for the water. That's easy, too, since the amount of water we are evaporating (notice the subtraction sign out front of the word "water"; that indicates we are removing water) is our unknown, and we also know that water has 0% salt in it:

                          #lbs solution         *       %salt        =        lbs. salt

   3% solution            50                  *         .03         =           1.5

-   Water                       x                  *            0          =            0        

New solution

Now all we have left is the new solution row and the equation. Finding the equation from a mixture table is as easy as it can be! Super easy!

The new solution will be 50 - x since, going down column 1, we are subtracting the water from the 3% solution, the % salt is to be 5%:

                            #lbs. solution        *       %salt        =        lbs. salt

   3% solution               50                *         .03          =           1.5

-   Water                          x                 *           0           =            0        

New solution         50 - x                  *         .05          =     2.5 - .05x

Now we're ready for our equation. I got the 2.5 - .05x from multiplying

.05(50 - x), just so you know.

if we had to subtract the water from the salt solution and set it equal to the new solution in the first column, we also have to do it in the third column:

1.5 - 0 = 2.5 - .05x and solve for x:

-1 = -.05x so

x = 20 pounds of water

Can someone help me solve this please!
I am willing to give brainliest too the person who helps the most

Answers

Part A

The function y = -16x^2 + c represents the height of the ball at time x

We're told the building is 64 ft tall (roughly 6 stories), so c = 64

That means the function updates to y = -16x^2 + 64

The graph is shown below. Some points of interest on the graph are

(0, 64) ... y intercept(0.5, 60) (1, 48)(1.5, 28)(2, 0) ... x intercept

Plot these points, and others if you wish, and draw a parabolic curve through them to complete the graph. To generate any (x,y) point, you simply plug in a given value for x to find its corresponding y value.

For example, if you plugged in say x = 1, then,

y = -16x^2 + 64

y = -16*1^2 + 64

y = -16 + 64

y = 48

Do the same for other x values to get the points mentioned earlier. The more points you plot, the more accurate the curve.

=========================================================

Part B

From the graph made in part A, we see that the parabola crosses the x axis at (2,0). This is the x intercept marked as point E in the diagram. This is when the ball hits the ground because y = 0, aka the height is 0.

The ball hits the ground at 2 seconds  (ie the ball is in the air for 2 seconds).

There's not much in terms of steps or explanation here because much of that was already done.

The length of a rectangle is three times the width. The area of the rectangle is 108 sq. inches what’s the triangles width?

Answers

Answer:ÑÑÑÑÑÑÑÑÑññÑÑÑÑññññññÑÑÑÑÑÑÑÑÑñÑÑÑÑññ

Step-by-step explanation:

Write an equation of a line containing a point (5, 5) and is perpendicular to
the line passing through (5, 3) and (10, 6).
A) X/4 + 3y = 10
B) -5 X + 3 Y = 40
C) 5x + 3 Y= 40
D) X + y = 0

Answers

Answer is D

Explain 729:33(-2)

Find the remainder when f(x)=2x3+2x2−3x−3 is divided by x−2.

Answers

Given:

The function is:

[tex]f(x)=2x^3+2x^2-3x-3[/tex]

To find:

The remainder when the given function is divided by [tex]x-2[/tex].

Solution:

According to the remainder theorem, if a polynomial P(x) is divided by (x-c), then the remainder is P(c).

We have,

[tex]f(x)=2x^3+2x^2-3x-3[/tex]

This function is divided by [tex]x-2[/tex]. By using the remainder theorem, the remainder is f(2).

Putting [tex]x=2[/tex] in the given function, we get

[tex]f(2)=2(2)^3+2(2)^2-3(2)-3[/tex]

[tex]f(2)=2(8)+2(4)-6-3[/tex]

[tex]f(2)=16+8-9[/tex]

[tex]f(2)=15[/tex]

Therefore, the remainder is 15.

Please help! Use Pythagorean theorem to find perimeter

Answers

Answer:

18 units.

Step-by-step explanation:

A classic right triangle is the 3, 4, 5 triangle. Essentially, 3^2 + 4^2 = 5^2 . Otherwise known as, 9 +16 = 25. With that said, there are two of those that we can make by drawing horizontal lines along the grid. We also know from counting the two vertical sides are each 4 units. To summarize, two sides are 5 units and two are 4 units. We add them together, 5 + 5 + 4 + 4 = 18

Answer the question based on the data in the two-way table.

Gender Grades
Below
Average Above
Average Total
Boy 14 23 37
Girl 16 22 38
Total 30 45 75

Which statement is true?
A.
P(boy|above average grades) = P(boy)
B.
P(above average grades|boy) = P(above average grades)
C.
P(boy|above average grades) P(above average grades)
D.
P(above average grades|boy) = P(boy)

Answers

The answer is probably c

what is 8/9 divided 2/3

Answers

Answer:

4/3

Step-by-step explanation:

8/9 ÷ 2/3

Copy dot flip

8/9 * 3/2

Rewriting

8/2 * 3/9

4 * 1/3

4/3

Please hurry I will mark you brainliest

The length of a rectangle is 5 less than 4 times the width. The perimeter is 136 m. Determine the dimensions of the rectangle. Write an equation and the “let statements”

Answers

Answer:

l = 14.6 m

b = 53.4 m

Step-by-step explanation:

Let breadth be x

Let lenght be 4x-5

so,

perimeter = 2(l+b)

136 = 2(4x-5+x)

or, 136 = 2(5x-5)

or, 136 = 10x - 10

or, 136 + 10 = 10x

or, 146 = 10x

or, x = 146/10

so, x = 14.6 m

so, breadth(x) = 14.6

so, lenght = 4x - 5

= (4×14.6)-5r

= 53.4m

What type of function is represented by the following graph:
(a) Linear
(b) Quadratic
(c) Absolute Value
(d) Exponential

Answers

Answer:

b) quadratic

Step-by-step explanation:

Answer:

b. quadratic

Step-by-step explanation:

it makes the shape of a parabola

hope this helps

Find question attached.​

Answers

a.x=50°

b.x=22°

Answer:

Solution given:

a:

3x=2*75°[inscribed angle is half of central angle]

3x=150°

x=150°/3=50°

x=50°

b.

<BDC=34°+x[exterior angle is equal to the sum of two opposite interior angle of triangle]

again

<DCB=34°+x[base angle of isosceles triangle]

again

<ABC=90°[inscribed angle on a semi circle is 90°]

Now.

In triangle

ABC

<A+ <B+<C=180°[sum of interior angle of a triangle is 180°]

34°+90°+34°+x=180°

x=180°-90°-68°

x=90°-68°

x=22°

a) Solution

By using the inscribed angle is half of central angle,

→ 3x = 2 × 75

→ 3x = 150

→ x = 150/3

→ x = 50°

Thus, 50° is the value of x.

b) Solution

By using the exterior angle is equal to sum of two opposite interior angle of triangle,

→ <BDC = 34+x

→ <DCB = 34+x

(base angle of isosceles triangle)

→ <ABC = 90°

(inscribed angle on a semi circle is 90°)

Then in ∆ ABC,

By sum of interior angle of a triangle is 180°,

→ <A+<B+<C = 180°

→ 34+90+34+x=180°

→ x = 180°-90°-68°

→ x = 90°-68°

→ x = 22°

Thus, 22° is the value of x.

Find the product of 3 1/5 and 7 1/4. Express your answer in simplest form.

Answers

If I'm not mistaken, it should be 28/5 or 5 3/5 as the product is timesing the products together
if you convert to an improper fraction, you will get 16/5 and 29/4. Since you are finding the product, which is multiplication, you would just multiply the numerator by the numerator (16x29) and the denominator by denominator (5x4) you will get 116/5 (simplified) . if you convert back, you will get 23 1/5

Prove that the circumcenter of a triangle is equidistant from its vertices.

Answers

Answer:

Step-by-step explanation:

The circumcenter is equidistant from the three vertices of the triangle. From the figure shown, we will prove DA = DB = DC. 2) DA = DB, DC = DB(If a point is on the perp. bisector of a segment, it is equidistant from each endpoint of the segment.)

Find the solutions to the equation below.
Check all that apply.
2x^2 + 1-1x + 5 = 0

Answers

is -2 and option cause tbh that’s what i keep getting

Answer:

Step-by-step explanation:

The trick here is that the equation factors.

y= 2x^2 + 11x + 5

y = (2x + 1)(x + 5)

So either

2x + 1 = 0         subtract 1 from both sides      

2x = - 1             divide by 2  

2x = -1/2

or

x + 5 = 0          Subtract 5 from both sides

x = - 5

Answer: B and D

A model of the Pythagorean Theorem is shown below.




If a = 6 and c = 10 , which of the following could NOT be used to find the value of b?









A. 102 = 62 + b2

B. 102 + 62 = b2,

C. 100 = 36 + b2,

D. 100−36=b2

Answers

Answer:

D can others can't..............

Answer B

Explanation

All the other options simplify to

100-36=b^2

B is the odd one out

Plzzzz help its urgent i will mark u as brainiest i cant find it help
here

Answers

Answer:

28.24

Step-by-step explanation:

25 + 32/10 + 4/100

25 + 3.2+ .04

28.24

[tex] \sf25 + \frac{32}{10} + \frac{4}{100} \\ \sf = 25 + 3.2 + 0.04 \\ \sf \: = 28.24[/tex]

Answer:

C. 28.24

Hope you could get an idea from here.

Doubt clarification - use comment section.

HELPPP ME OUTTTT!!!!!

Answers

Answer:

Measure of the unknown angle is 21°.

Step-by-step explanation:

In the given question,

Measure of opposite side and the measure of hypotenuse have been given.

Therefore, we will use the trigonometric ratio for the unknown angle which has the ratio of opposite side and the hypotenuse.

[tex]\text{sin}\theta=\frac{\text{Opposite side}}{\text{Hypotenuse}}[/tex]

      [tex]=\frac{13}{36}[/tex]

      [tex]=0.36111[/tex]

[tex]\theta \approx \text{sin}^{-1}(0.36111)[/tex]

[tex]\theta \approx 21.17[/tex]

[tex]\theta \approx 21^{\circ}[/tex]

Therefore, measure of the unknown angle is 21°.

Are shape I and shape II similar? If so, give the dilation that proves they are similar. If not, explain why the shapes are not similar.

Answers

Answer:

The answer is "They are similar".

Step-by-step explanation:

They were comparable in this respect because both aspect ratios of the top triangle are one square more. The top triangle is equal to the base triangles if you remove one square away from the height and width.

Otherwise, we can say that it forms all different. The dilation factor which translates that bottom left point of shape I to form II is 2. But this does not map the other shape I vertices onto form II. There's, therefore, no dilation in form I of maps on form II.


A tanker company has
transported 3.788 x 107 tons
of pineapples during its first
ten years of operation and
expects that total amount to
increase by 25% during the
next ten years.
Which measure
represents the total number of
tons of pineapples that the
company expects to transport
during the next ten years?
A 28.788 X 107 tons
B 9.47 x 106 tons
C 4.735 X 107 tons
D 4.038 X 107 tons

Answers

Answer:

c

Step-by-step explanation:

107 x 3.778 x 125/100 = 4.735 x 1-7

Which ordered pairs are solutions to the inequality y−3x​

Answers

If the inequality is y < 3x, (0,-1), (0,-4), and (4,-1) are all solutions to the inequality.

If the inequality is y > 3x, the solutions are (-6,0) and (-1,7)

the function y=-2(x-3)^2+4 shows the daily profit (in hundreds of dollars) of a hot dog stand, where x is the price of a hot dog (in dollars). Find and interpret the 0's of this function.

Answers

X intercept would mean plug in 0 for Y.
Then finding the y intercept would mean X is 0. Your answer will be 69420

Brainly to fastest and correct answer,

Answers

Answer:

0.02625

2.1 tenths

2.1

Step-by-step explanation:

Acellus Find the expected value of a random variable x having the following probability distribution. 0 1 2 3 4 5 Probability 1/8 1/4 3/16 1/4 1/16 1/8 ​

Answers

Answer:

"2.25" is the right answer.

Step-by-step explanation:

According to the question,

The expected value will be:

= [tex]\sum_{i=1}^{n} x_i P(X = x_i)[/tex]

= [tex]0\times \frac{1}{8}+1\times \frac{1}{4}+2\times \frac{3}{16}+3\times \frac{1}{4}+4\times \frac{1}{6}+5\times \frac{1}{8}[/tex]

= [tex]0+\frac{1}{4}+\frac{3}{8} +\frac{3}{4}+\frac{1}{4} +\frac{5}{8}[/tex]

= [tex]\frac{1}{4} +\frac{8}{8} +\frac{4}{4}[/tex]

= [tex]\frac{1}{4} +1+1[/tex]

= [tex]0.25+2[/tex]

= [tex]2.25[/tex]

Thus the above is the right approach.

Answer:

The answer is 9/4 in fraction form

Step-by-step explanation:

Rate the answer you welcome.

Which of the following statements is false?(N=natural numbers)

Answers

Answer:

yes N = natural number it's correct what I need to ask

Quadruple of a number is decreased by twenty gives four.

answer it pls pls​

Answers

Answer:

[tex]4x - 20 = 4[/tex]

Step-by-step explanation:

Let the missing number be x

Quadruple means 4 times

So According to the question,

4x - 20 = 4 is your answer

Hope this helps

write the square root of 4√53/169​

Answers

[tex] \sqrt{4 \frac{53}{169} } [/tex]

[tex] \sqrt{ \frac{729}{169} } [/tex]

[tex] \sqrt{ \frac{27}{13} } [/tex]

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This is a graph of the function g(x) =-3x+2. Determine the domain value when th
range value is -4.

Answers

Range = -4= g(x)

Therefore, g(x) = -3x+2

or, -4=3x +2

or, 3x= -4-2

or, 3x= -6

or, x= -6/3 = -2

OPTION A is the correct answer.

When the range value is -4 for the function g(x) = -3x + 2, the corresponding domain value is x = 2.

To find the domain value when the range value is -4 for the function

g(x) = -3x + 2, we need to solve for x when g(x) = -4.

Given: g(x) = -3x + 2

When the range value is -4, we have:

-3x + 2 = -4

Now, isolate x:

-3x = -4 - 2

-3x = -6

Now, divide by -3 to solve for x:

x = -6 / -3

x = 2

So, when the range value is -4 for the function g(x) = -3x + 2, the corresponding domain value is x = 2.

To know more about range:

https://brainly.com/question/29204101

#SPJ2

Find the value of 3 √ 512

Answers

Answer:

48√2

Step-by-step explanation:

3√(512)

= 3√(256×2)

= 3√(256)×√(2)

→ we know that 16² = 256 then √(256) = 16

Then

3√(512)

= 3 × 16 ×√(2)

= 48√(2)

FOR EASY BRAINLIEST!!! ANSWER ONLY:

7.

8.

9.

10

Answers

Answer:

7) 12,000

8) 0.0004253

9) -11/6 < x < -2/3

10) all possible numbers

The population of a town is 24,000 and is
increasing at a rate of 6% per year for 3 years

Answers

You answer would be 432000 as your answer
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