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3 years ago

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PLEASE HELP ASAP The width of a rectangle measures (10h-4)(10h−4) centimeters, and its length measures (9h-8)(9h−8) centimeters.

Which expression represents the perimeter, in centimeters, of the rectangle?

1 answer:

Anestetic [448]3 years ago

4 0

Answer:

Here on the photo please

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G(t)=−(t−1) 2 +5g, left parenthesis, t, right parenthesis, equals, minus, left parenthesis, t, minus, 1, right parenthesis, squa

bija089 [108]

Answer:

average = -9

lower than 5

Step-by-step explanation:

You have the following formula:

$G(t)=-(t-1)^2+5$

to calculate the average rate of change you first calculate the derivative:

$\frac{dG}{dt}=-2(t-1)$

the interval of dG/dt for −4≤t≤5 is:

t = -4

$\frac{dG}{dt}=-2(-4-1)=10$

t = 5

$\frac{dG}{dt}=-2(5-1)=-8$

the average rate of change is :

$average\ =\ \frac{-8-10}{2}=-9$

is lower that 5

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3 years ago

The distance between the school and the airport on a map is 7.25 cm. The scale of the map is 1 cm : 12 m. What is the actual dis

Naily [24]

Answer: 87 M

Step-by-step explanation:

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3 years ago

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Please help !!!! I will give u brainliest .

ANTONII [103]

Answer:

There is a step by step video

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Can I still get brainliest?

Step-by-step explanation:

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4 years ago

Given the function k(t)=2t−1: a. Evaluate k(2). b. Solve(k)=7.

Aleksandr-060686 [28]

Answer:

$k(2) = 3$

$t = 4$

Step-by-step explanation:

Given

$k(t) = 2t - 1$

Solving (1): k(2)

Take t as 2 such that t = 2

This gives

$k(2) = 2 * 2 - 1$

$k(2) = 4 - 1$

$k(2) = 3$

Solving (2): k(t) = 7

Substitute 7 for k(t)

$7 = 2t - 1$

Add 1 to both sides

$7 + 1 = 2t - 1 + 1$

$2t = 8$

Divide both sides by 2

$t = \frac{8}{2}$

$t = 4$

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4 years ago

The formula for the area of a trapezoid is A = h(b1 + b2), where A = area, h = height, b1 = base 1, and b2 = base 2.

stepladder [879]

Answer:

4

Step-by-step explanation:

A=h(sum of base)

60=h(15)

60/15=h

h=4

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3 years ago