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3 years ago

4 = x/8 please solve thanks

Mathematics

1 answer:

Snowcat [4.5K]3 years ago

7 0

Answer:

x=32

Step-by-step explanation:

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Solve the system of equations given below. (Please--help..)

andrey2020 [161]

Step-by-step explanation:

x+2y=-4

2x+3y=1

The difference between this two equations is x+y so:

x+y

=1-(-4)

=1+4

I'm not sure what the question is asking to find, but I have already helped you find the value of x+y, good luck with the rest I guess :))

5 0

3 years ago

William went shopping for a new phone because of a sale. The store was offering a 15% discount. If the price on the tag was $41,

Damm [24]

Answer: $34.85

Step-by-step explanation: $41 x 15%= 34.85 before tax

4 0

4 years ago

Write the equation of the line that passes through the point (-3, -1) with a slope of -2/3

svp [43]

-1=-2/3(-3) + b

-1=2 + b

b=-3

Y= -2/3x -3

4 0

3 years ago

5 people are going to a dinner party. Each person at the party will eat 24 pound of cake. If you can only buy whole pounds of ca

ss7ja [257]

Answer:

The Answer is 120

Step-by-step explanation:

The answer is 120 because 5*24 is 120

3 0

3 years ago

A 10 inch cookie cake is divided into 8 slices. What is the area of 3 slices

brilliants [131]

Answer:

The area of 3 slices is $\frac{75}{8}\pi\ in^2$ or approximate $29.4\ in^2$

Step-by-step explanation:

<em>Find out the area of the cookie cake</em>

The area of the circle (cookie cake) is

$A=\pi r^{2}$

we have

$r=10/2=5\ in$ ----> the radius is half the diameter

substitute

$A=\pi (5)^{2}$

$A=25\pi\ in^{2}$

Remember that the area of the complete cookie cake subtends a central angle of 360 degrees

If the cake is divided into 8 slices

then

The central angle of each slice is equal to

360/8=45°

The central angle of 3 slices is equal to

3(45°)=135°

By proportion

Find out the area of 3 slices

Let

x ----> the area of 3 slices

$\frac{25\pi}{360}=\frac{x}{135}\\\\x=25\pi(135)/360\\\\x=\frac{3,375}{360}\pi\ in^2$

Simplify

$\frac{75}{8}\pi\ in^2$ ----> exact value of the area of 3 slices

Find out the approximate value of the area of 3 slices

assume

$\pi =3.14$

substitute

$\frac{75}{8}(3.14)=29.4\ in^2$

5 0

4 years ago