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2 years ago

Is (10,2) a solution to the equation 3y+14=2x?

Mathematics

1 answer:

Sergio [31]2 years ago

4 0

Answer:

yes

Step-by-step explanation:

Use substitution method

3(2)+14=2(10)

6+14=20

20=20

Hope this helps. Have a nice day you amazing bean child.

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Simplifying Variable Expression

andrew-mc [135]

X + 3 • ( 10 + y ) - 7x - 4
x + 30 + 3y - 7x - y
x - 7x + 3y - y + 30
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2 years ago

-5x+8y=5 need answer

adoni [48]

Answer: $x=\frac{8}{5}y-1$

Step-by-step explanation:

$-5x+8y=5$

$-5x+8y+-8y=5+-8y$

$-5x=-8y+5$

$\frac{-5x}{-5} = \frac{-8y+5}{-5}$

$x=\frac{8}{5} y-1$

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2 years ago

Find a number lower than 19 that has more factors than 19,21,23, and 25

Len [333]

12 has more factors the 19,21,,23, and 25.

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2 years ago

What is the volume of a square pyramids

frozen [14]

Answer:

$\large\boxed{V=75\ in^3}$

Step-by-step explanation:

The formula ogf a volume of a pyramid:

$V=\dfrac{1}{3}BH$

B - area of a base

H - height

We have a base length a = 5 in and a height H = 9 in.

In the base we have a square. The formula of an area of a square is:

$B=a^2$

Substitute:

$B=5^2=25\ in^2$

Calculate the volume:

$V=\dfrac{1}{3}(25)(9)=(25)(3)=75\ in^3$

7 0

2 years ago

A blueprint has a scale of one eighth inequals1 ft. On the blueprint, a wall is drawn 2 and three eighths in long. What is the

katrin2010 [14]

19 feet

convert 2 $\frac{3}{8}$ into an improper fraction

2 $\frac{3}{8}$ = $\frac{19}{8}$

hence the length of the wall is 19 feet

8 0

2 years ago