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2 years ago

Urgent! The length of the shorter leg of a 30-60-90 Special Right Triangle is 17 yd long.

Mathematics

1 answer:

Anarel [89]2 years ago

5 0

34 I believe because if the shorter side (30) is half the long side (90) it would be 34

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Given the function: f(x) = 2x3 - 3/2x, find f(-4).

Sergeu [11.5K]

Answer:

D) -122

Step-by-step explanation:

Given:

$f(x) = 2x^3-\frac{3}2x$

We need to find f(-4).

Now by substituting the value of x =-4 in above equation we get;

$f(-4)= 2\times(-4)^3-\frac{3}{2}\times(-4)\\$

By using PEDMAS we will solve for exponential function first we get;

Now we know that $(-4)^3=-64$

So we get;

$f(-4)= 2\times(-64)-\frac{3}{2}\times(-4)\\$

Now using PEDMAS we will solve division.

$f(-4)= 2\times(-64)-1.5\times(-4)$

Now using PEDMAS we solve multiplication.

$f(-4)= -128+6$

Finally by subtraction we get;

$f(-4)= -122$

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3 years ago

A project manager has determined that of the work for a project was completed in 9 days. How many more days will it take to fini

AysviL [449]

The Correct Answer Is 6

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3 years ago

a reflecting pool is shaped like a right triangle with one leg along the wall of a building. the hypotenuse is 9 feet longer tha

Eva8 [605]

a^2 + b^2 = c^2

9^2 + 7^2 = get the answer then find the square root of it

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3 years ago

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Mary throws her Grandma’s favorite crystal dish out the second floor window, which is 6 meters from the ground. She is really up

wlad13 [49]

we know that

acceleration due to gravity is 9.8m/s^2

so, we get

$a(t)=9.8$

and acceleration will always be constant

we know that

integral of acceleration is velocity

so, we can integrate both sides

$\int \:a\left(t\right)dt=\int \:9.8dt$

$v(t)=9.8t+C$

we are given

v(0)=35m/s

we can use it and find C

$v(0)=9.8*0+C$

$35=9.8*0+C$

$C=35$

now, we can plug it back

$v(t)=9.8t+35$

we know that

integral of velocity is height

we can integrate it again

$\int \:v\left(t\right)dt=\int \:\left(9.8t+35\right)dt$

$s(t)=\int \:\left(9.8t+35\right)dt$

$s(t)=4.9t^2+35t+C$

now, we have

s(0)=6

we can use it and find C

$s(0)=4.9(0)^2+35(0)+C$

$6=4.9(0)^2+35(0)+C$

now, we can plug back C

$C=6$

and we get

$s(t)=4.9t^2+35t+6$ .............Answer

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3 years ago

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Eric put several CD's in a case. Four CDs are country, six are rap and ten are pop. If Eric picks one CD from the case without l

Kipish [7]

Answer: D, 1/2

Step-by-step explanation:

4 country, 6 rap, 10 pop = 20 total

10 pop / 20 total

10 / 20 = 1/2

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2 years ago

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