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3 years ago

HELP 20 POINTS

Mathematics

1 answer:

Nady [450]3 years ago

7 0

Answer:

6^2 + 5^2 = d^2

Step-by-step explanation:

I hope this helps!!

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Calculate the force exerted on the blown dart. A dart weighing 0.0056kg is blown and travels 4.85m. The change in velocity for t

dlinn [17]

Answer:

0.15N

Step-by-step explanation:

Given data

Mass= 0.0056kg

distance= 4.85m

Velocity= 11.4m/s

The expression for the force is

F= mv^2/r

substitute

F= 0.0056* 11.4^2/4.85

F= 0.0056*129.96/4.85

F= 0.727776/4.85

F= 0.15N

Hence the force is 0.15N

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3 years ago

Express the percent as a decimal.<br> 30\%30%30, percent<br> Stuck help

Marrrta [24]

If it’s 30% converted to a decimal it’ll be .30

3 0

3 years ago

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Please! Solve f(x)-g(x) if f(x)=1/2x^4 - x^2 and g(x)= 3/4x^4 +3x^3 - x^2

igomit [66]

Answer:

$f(x)-g(x)=\frac{-1}{4}x^{4}-3x^{3}$

Step-by-step explanation:

This is a subtraction between polynomials, since both functions are polynomials, hence, to solve the problem with need to perform the subtraction, by coefficients.

$f(x)= \frac{1}{2}x^{4}+0x^{3}-x^{2}\\\\g(x)=\frac{3}{4}x^{4}+3x^{3}-x^{2}$

By performing the subtraction, we have:

$f(x)-g(x)=\frac{-1}{4}x^{4}-3x^{3}$

6 0

3 years ago

: Ruben put an empty cup underneath a leaking faucet. After 1 1 2 112 hours, Ruben had collected 1 4 14 cup of water. What is th

slamgirl [31]

Answer:

The rate is $\frac{1}{6}$ cups per hour

Step-by-step explanation:

It took the faucet 1 1/2 hours equivalent 3/2 hours to fill 1/4 cup by leaking

We need to find the rate in terms of cups that can be filled by water in 1 hour.

Using unitary method:

it takes $\frac{3}{2} h$ for $\frac{1}{4}$ cup

it will take 1 h for how many cups?

$= \frac{1 \times \frac{1}{4} }{\frac{3}{2} }= \frac{2}{4 \times 3}= \frac{2}{12}= \frac{1}{6} cups$

Hence, the rate is $\frac{1}{6}$ cups per hour

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3 years ago

Margie's car can go 32 miles on a gallon of gas, and gas currently costs $4$4 per gallon. How many miles can Margie drive on $20

Gnom [1K]

If she has 32 miles to the gallon, and 20 dollars, then 5*32 gives you your final answer, which is 160.

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3 years ago

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