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3 years ago

1

1 answer:

3 0

Answer: 200 Computer books

Explanation Since there are 5 40 computer books you would do multiply 40 5 times to get 200.

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Find the equation of the circle whose center and radius are given.

vredina [299]

As i said before put the center instead of (h,k) in the general formula and put r=1
so (x-(-2))^2 + (y-(-5)^2 = 1
(x+2)^2 + (y+5)^2 = 1

7 0

3 years ago

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A surveyor wants to know the length of a tunnel built through a mountain. According to his equipment, he is

MrMuchimi

Answer:

Length of the tunnel is 51.7 meters

Step-by-step explanation:

We are given that,

The surveyor is located 54 meters from one entrance at an angle of 56°.

The surveyor is located 31 meters from one entrance at an angle of 13°.

Let the length of the tunnel = x meters

So, using the law of cosines, we get,

$x^2=54^2+31^2-2\times 54\times 31\times \cos 69$

i.e. $x^2=2916+961-3348\times 0.3584$

i.e. $x^2=3877-1199.9$

i.e. $x^2=2677.1$

i.e. x = 51.7 meters

Hence, the length of the tunnel is 51.7 meters

5 0

3 years ago

Can anyone help me out with this please!

Helga [31]

Answer:

$h(x)=\frac{1}{4}|x|$

Step-by-step explanation:

In order to vertically stretch a function, we just need to multiply the function by our stretch factor.

So, we have the function:

$g(x)=|x|$

We want to find the equation of this function vertically shrunk by a factor of 1/4. So, multiplied the function by 1/4:

$h(x)=\frac{1}{4}|x|$

And this will be our answer :)

4 0

3 years ago

What is the solution of the system of equations?<br><br> y=56x+1<br> −x+y=2

Rzqust [24]

-x+y=2
y=2+x

2+x=56x+1
x=56x-1
-55x=-1
x=0.181

8 0

4 years ago

ben is 20 years older then daniel. ben and daniel first met two years ago. Three years ago ben was three times as old as daniel.

allsm [11]

Answer: Daniel is 13 years old; Ben is 33 years old

Step-by-step explanation:

Math

7 0

3 years ago

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