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3 years ago

Kelsey graphed the equation y = 3x + 1 as shown below.

Mathematics

2 answers:

bagirrra123 [75]3 years ago

8 0

D

Explanation: So basically I think that Kelsey graphed the slope as the y intercept so it would be the last one! I’m sorry if it’s wrong!

miv72 [106K]3 years ago

6 0

I think it’s B but I’m not for sure

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Scientists modeled the intensity of the sun, I, as a function of the number of hours since 6:00 a.m., h, using the

MAVERICK [17]

The functions are illustrations of composite functions.

The soil temperature at 2:00pm is 67

The given parameters are:

$\mathbf{I(h) =\frac{12h - h^2}{36}}$ ---- the function for sun intensity

$\mathbf{T(I) =\sqrt{5000I}}$ -- the function for temperature

At 2:00pm, the value of h (number of hours) is:

$\mathbf{h = 2:00pm - 6:00am}$

$\mathbf{h = 8}$

Substitute 8 for h in $\mathbf{I(h) =\frac{12h - h^2}{36}}$ , to calculate the sun intensity

$\mathbf{I(8) =\frac{12 \times 8 - 8^2}{36}}$

$\mathbf{I(8) =\frac{32}{36}}$

$\mathbf{I(8) =\frac{8}{9}}$

Substitute 8/9 for I in $\mathbf{T(I) =\sqrt{5000I}}$ , to calculate the temperature of the soil

$\mathbf{T(8/9) =\sqrt{5000 \times 8/9}}$

$\mathbf{T(8/9) =\sqrt{4444.44}}$

$\mathbf{T(8/9) =66.67}$

Approximate

$\mathbf{T(8/9) =67}$

Hence, the soil temperature at 2:00pm is 67

Read more about composite functions at:

brainly.com/question/20379727

5 0

2 years ago

Find the surface area of the triangular prism. The base of the

alukav5142 [94]

Answer:

Step-by-step explanation:

6 0

3 years ago

Help me with this :)))))))

lora16 [44]

Answer:

QR= 16

Step-by-step explanation:

HOPE THIS HELPS

3 0

3 years ago

5(x+7)+2 = 4(x - 1) + 1

Nadya [2.5K]

Answer:

x = -40

Step-by-step explanation:

First we distribute

5x + 35 + 2 = 4x - 4 + 1

Collect like terms

5x + 37 = 4x - 3

Subtract 37 from both sides

5x = 4x - 40

Subtract 4x from both sides

1x = -40 OR x = -40

6 0

3 years ago

Read 2 more answers

10. Solve for z: 2 + 8 - z = -24

iVinArrow [24]

Answer:

The answer is z = 34.

Step-by-step explanation:

1) Simplify 2 + 8 - z to 10 - z.

$10 - z = - 24$

2) Subtract 10 from both sides.

$- z = - 24 - 10$

3) Simplify - 24 - 10 to -34.

$- z = - 34$

4) Multiply both sides by -1.

$z = 34$

Therefor, the answer is z = 34.

7 0

3 years ago