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Ymorist [56]
3 years ago
13

A carton contains 40 books. The number of paperbacks is 5 less than twice the number of hardbacks. How many hardbacks are in the

carton?
Mathematics
1 answer:
Helga [31]3 years ago
7 0
Just solve the equation 2x-5
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Solve the following equation. 3x/7-2=15 (Must be a mixed number)
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Answer:

Mixed Number

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A ball is tossed up in the air at an initial rate of 50 ft/sec from 5 ft off the ground.
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Answer with Step-by-step explanation:

Since we have given that

Initial velocity = 50 ft/sec = v_0

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a. What type of function models the height (ℎ, in feet) of the ball after tt seconds?

As we know the function for height h with respect to time 't'.

h(t)=-16t^2+v_0t+h_0\\\\h(t)=-16t^2+50t+5

b. Explain what is happening to the height of the ball as it travels over a period of time (in tt seconds).

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if it travels over a period of time then time becomes continuous interval . so it will use integration over a period of time

Our function becomes,

h(t)=\int\limits^t_0 {-16t^2+50t+5} \, dt

3 0
3 years ago
Lusita earned $85 for 8 hours of babysitting. Avery earned $125 for 11 hours of babysitting. Are the rates equivalent
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What is the area of the trapezoid with height 13 units? Enter your answer in the box. units2 A rectangle with a length of 15 and
jolli1 [7]

Answer:

Step-by-step explanation:

Area of the trapezoid = area of rectangle + 2 * area of triangle

Area of a triangle = 1/2 bh

= 1/2 * 13 * 7

= 45.5 units²

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= 15 × 13

= 195 units²

Area of the trapezoid = [195 + 2 * (45.5)]

= 195 + 91

= 286 units²

3 0
3 years ago
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