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3 years ago

The answer to number 6 ASAP

Mathematics

1 answer:

ra1l [238]3 years ago

8 0

Answer:

Step-by-step explanation:

A(x, y)

reflected across the x-axis: A'(x, -y)

reflected across the y-axis: A''(-x, y)

We have A(1, 4)

reflected across the x-axis: (1, -4)

and then reflected across the y-axis: A'(-1, -4)

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What is the average rate of change for h(t) between t=0 and t=2

nordsb [41]

Part a: Option D 18 feet per second

Part b: increasing

Solution:

Height $h(t)=-16 t^{2}+50 t+3$

Part a: To find the average rate of change for h(t) between t = 0 and t = 2.

Substitute t = 0 in h(t).

$h(0)=-16 (0)^{2}+50 (0)+3$

h(0) = 3

Substitute t = 2 in h(t).

$h(2)=-16 (2)^{2}+50 (2)+3$

h(2) = 39

Average rate of change formula:

$$=\frac{h(b)-h(a)}{b-a}$

Here, a = 0 and b = 2.

$$=\frac{h(2)-h(0)}{2-0}$

$$=\frac{39-3}{2}$

$$=\frac{36}{2}$

= 18

Average rate of change = 18 feet per second

Option D is the correct answer.

Part b:

This means height of the ball is increasing for 0 < x < 2.

6 0

3 years ago

Help please !!!

slava [35]

C is the best answer choice

8 0

3 years ago

What is an algebraic expression to find the number of squares in the border of a 75x75 grid?

tigry1 [53]

Answer:

Well, if the grip is 75 x 75, you can rule out that the grid is 75 squares in each border.

Step-by-step explanation:

75 x 75 = a x b

a= horizontal side lengths

b= vertical side lengths

Rule that a= 75 squares and b= 75 squares.

8 0

3 years ago

The boiling point of jet fuel is 329°

natka813 [3]

Since, the boiling point of jet fuel = 329 °F

We have to convert the boiling point of jet fuel in $^\circ C$ .

The expression which is used to convert $^\circ F$ to $^\circ C$ is given by:

C = $\frac{5}{9}(F-32)$

= $\frac{5}{9}(329-32)$

= $\frac{5}{9}(297)$

= 165 $^\circ C$

Therefore, the boiling point of jet fuel is 165 $^\circ C$ .

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3 years ago

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What is −3/8÷7/12? i really need to know pls

rosijanka [135]

Answer:

Step-by-step explanation:

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3 years ago