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3 years ago

In a 10x10 grid that represents 800 what does one square represent

Mathematics

1 answer:

Simora [160]3 years ago

5 0

the answer would be 80,because 800 divided 10 is 80.

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For what value of k are the lines parallel? 2x+ky=3 X+Y = 1

raketka [301]

Ky=-2x+3 and y=-2x/k+3/k
y=x-1

k=2 because coefficient for x must be -1.

5 0

4 years ago

What is the solution to the system of equations below?

Karolina [17]

Answer:

The solution is the point (18,0)

Step-by-step explanation:

we have

$y=-\frac{1}{3}x+6$ -----> equation A

$y=\frac{1}{3}x-6$ -----> equation B

Solve the system by substitution

substitute equation B in equation A

$\frac{1}{3}x-6=-\frac{1}{3}x+6$

solve for x

Adds (1/3)x both sides

$\frac{1}{3}x-6+\frac{1}{3}x=6$

$\frac{2}{3}x-6=6$

Adds 6 both sides

$\frac{2}{3}x=6+6$

$\frac{2}{3}x=12$

$x=12(3)/2\\x=18$

Find the value of y

substitute the value of x in equation A or equation B

$y=-\frac{1}{3}(18)+6=0$

therefore

The solution is the point (18,0)

3 0

3 years ago

Read 2 more answers

Which two fractions are equal to 2 out of 1/2, 2/4, 2/1, 2/2, 4/2

damaskus [11]

Answer:

2/1 and 4/2 are equal to 2

Step-by-step explanation:

8 0

3 years ago

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kent can paint a certain room in 6 hours, but Kendra needs 4 hours to paint the same room. How long does it take them to paint t

Ulleksa [173]

About 2 and a half hours

6 0

3 years ago

Find the volume of a cylinder that has a diameter of 12 in. and a height of 15 in

daser333 [38]

Answer:

<h3> $\sf{ \boxed{ \bold{1697.14}}}$ </h3>

Step-by-step explanation:

Given,

diameter ( d ) = 12 in

height ( h ) = 15 in

finding the radius of a cylinder

Radius is just half of diameter.

Radius ( r ) = 12 / 2 = 6 in

finding the volume of a cylinder having radius of 6 in and height of 15 in

Volume of a cylinder =  $\sf{\pi \: {r}^{2} h}$ 

⇒ $\sf{ \frac{22}{7} \times {6}^{2} \times 15}$

⇒ $\sf{ \frac{22}{7} \times 36 \times 15}$

⇒ $\sf{1697.14} \: in$ 

Hope I helped!

Best regards!!

6 0

4 years ago

Read 2 more answers