3 years ago

Help with number 10 and 11

Mathematics

1 answer:

Sliva [168]3 years ago

5 0

I can't see very well because there side ways

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What force is required to cause a 7kg bowling ball to accelerate at 4 m/s2 1

BartSMP [9]

Answer:

20 N

Step-by-step explanation:

because of newton's second law you will use this equation F=ma which means force= mass*acceleration

so your problem should look like this 5*4=20

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3 years ago

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Type the missing number that makes these fractions equal: 1 2 = 2

jek_recluse [69]

Answer:

Step-by-step explanation:

$\frac{1}{2} * 4$ = 2

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2 years ago

The net worthw(t) of a company is growing at a rate of′(t) = 2000−121t2dollarsper year, wheretis in years since 1990.(a) If the

stiv31 [10]

Answer:

The worth of the company in 2000 is $56,000.

Step-by-step explanation:

The growth rate of the company is:

$f'(t)=2000-12t^{2}$

To determine the worth of the company in 2000, first compute the change in the net worth during the period 1990 (<em>t</em> = 0) to 2000 (<em>t</em> = 10) as follows:

$\int\limits^{10}_{0} {2000-12t^{2}} \, dt =\int\limits^{10}_{0} {2000} \, dt-12\int\limits^{10}_{0} {t^{2}} \, dt=2000 |t|^{10}_{0}-12|\frac{t^{3}}{3}|^{10}_{0}\\=(2000\times10)-(4\times10^{3})\\=20000-4000\\=16000$