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Novay_Z [31]
2 years ago
5

PLZ HELP DUE IN 10 MINUTES!

Mathematics
1 answer:
MAXImum [283]2 years ago
7 0

Answer:

i think its 96% ???

Step-by-step explanation:

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Truck brakes can fail if they get too hot. In some mountainous areas, ramps of loose gravel are constructed to stop runaway truc
pickupchik [31]

Kinetic engery = -1/2mv^2

Work = Fd

Combine:

-1/2mv^2 - Fd = 0

-1/2mv^2 = (0.30*15000*9.81*cos(6))d = 0

Multiply both sides by 2:

v^2 = 2d(0.30*9.81*cos(6))

Solve for d:

d=v^2 / 2(0.30*9.81*cos96))

v = speed:

d = 35^2 / 2*0.30 * 9.81 * cos(6)

d = 1225 / 5.85376

d = 209.27 meters. Round answer as needed.

7 0
3 years ago
A mobile auto-detailing company pays you $12.75 an hour. Last summer you worked 35.25 hours a week. What was your total straight
masya89 [10]

multiply the hourly rate by number of hours worked

12.75 x 35.25 = 449.44 per week

449.44 x 2 = 898.88 for two weeks

5 0
3 years ago
Read 2 more answers
If cheese is $4.40 per kg, what should I pay for 200 g?
Ilya [14]

Answer:I don't know

Step-by-step explanation:

Sorry

7 0
3 years ago
Read 2 more answers
If Mr. Richards is making $18 an hour and gets a 12% raise. How much is his new hourly rate after his 12% raise?
ryzh [129]

Answer:

$20.16

Step-by-step explanation:

First we need to find 12% of his current hourly rate, 12% is our decimal multiplier here so we use 0.12. In order to get 12% we need to multiply our decimal by $18 which is:

$18 × 0.12 = $2.16

Now let's add this 12% on top of his current hourly rate.

$18 + $2.16 = $20.16

And that's the final answer.

7 0
3 years ago
Read 2 more answers
what was the interest rate if your balance on an investment of 857 dollars at the end of six years is 1268.36 dollars​
Mumz [18]
<h3>The interest rate is 8 % if your balance on an investment of 857 dollars at the end of six years is 1268.36 dollars​</h3>

<em><u>Solution:</u></em>

Given that,

Principal = $ 857

Amount = $ 1268.36

Number of years = 6

Rate of interest = ?

Simple Interest = Amount - principal

Simple Interest = 1268.36 - 857

Simple Interest = 411.36

<em><u>Use the formula,</u></em>

Simple Interest = \frac{ p \times n \times r}{100}\\\\411.36 = \frac{ 857 \times 6 \times r}{100}\\\\41136 = 5142 \times r\\\\r = \frac{41136}{5142}\\\\r = 8 \%

Thus the interest rate is 8 %

3 0
3 years ago
Read 2 more answers
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