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siniylev [52]
2 years ago
7

2. The table shows distance, y, that Mario runs in x minutes.

Mathematics
1 answer:
Zepler [3.9K]2 years ago
7 0
Assuming the left is minutes and the right is distance, Mario runs 1 mile in 7 minutes
(a) y=x/7
(b) the rate of change is 7
(c) if he ran for 70 minutes then his distance is 10 miles.
*for (c) just plug in the number given. Replace it with x and divide it by 7.*
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plz explain why!<br> Will be marked BRAINLIEST
wlad13 [49]

ANSWER

Eva is correct because 13/2 + 3/2 = 8

There is no mistake. Dakota may have thought that there was a mistake because Eva simplified when she got the answer for 4x which is correct but Dakota may have thought that it was incorrect.

6 0
2 years ago
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Sylvia enlarged a photo to make a 24 x 32 inch poster using the dilation DQ,4. What are the dimensions, in inches, of the origin
RSB [31]

Answer:

6 × 8

Step-by-step explanation:

Since the dilation factor is 4, and the image was ENLARGED, that means the original photo was smaller.  Smaller by a factor of 4.

So, we take the new dimensions (24x32) and we divide each side by the dilation factor of 4:

(24/4) x (32/4) = 6 x 8

It couldn't be the first answer choice (3x8) because  that doesn't maintain the ratio of the enlarge picture.  The other possible answers do match the right ratio... but only 6x8 is scaled by a factor of 4.

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3 years ago
PLZ HELP ME!<br> Directions up above the picture<br> **MATH (Algebra)
Vikentia [17]

Answer:

The answer to your question is t = 1.3 s

Step-by-step explanation:

Data

Equation    h(t) = -4.9t² + v₀t + h₀

v₀ = 0 m/s

h₀ = 8 m

t = ?

h = 0 m

Process

1.- Substitute the values in the formula

                  0 = -4.9t² + 0t + 8

2.- Simplification

                  0 = -4.9t² + 8

3.- Solve for t

                 4.9t² = 8

                      t² = 8/4.9

                      t² = 1.63

4.- Result

                      t = 1.27 ≈ 1.3 s

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Lapatulllka [165]

Answer:

A - is the best answer...

4 0
2 years ago
PLEASE HELP! urgent! Write the equation of a line in a slope-intercept form and standard form
m_a_m_a [10]

Answer:

y = \frac{3}{4}x -3 --- Slope intercept

4y - 3x =- 12 --- Standard form

Step-by-step explanation:

Given

The attached linear graph

Required

The equation

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(x_1,y_1) = (0,-3)

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Next, calculate the slope (m)

m = \frac{y_2 - y_1}{x_2 - x_1}

So, we have:

m = \frac{0 --3}{4 - 0}

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The slope intercept is then calculated using:

y = m(x - x_1) + y_1

So, we have:

y = \frac{3}{4}(x - 0) -3

y = \frac{3}{4}(x) -3

y = \frac{3}{4}x -3

Multiply through bu 4

4y = 3x - 12

Subtract 3x from both sides

4y - 3x =- 12 --- Standard form

7 0
3 years ago
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