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nlexa [21]
3 years ago
5

BRAINLIEST GUARANTEED. Please Answer and show work. I'm not sure if it's correct though.

Mathematics
2 answers:
Naddika [18.5K]3 years ago
8 0

Answer:

A) False

B) True

C) True

D) False Solution is actually (-3, -3)

work below

Note: Used Elimination Method

Multiply the first equation by -2,and multiply the second equation by 1.

−2(−2x+y=3)

1(3x+2y=−15)

Becomes:

4x−2y=−6

3x+2y=−15

Add these equations to eliminate y:

7x=−21

Then we solve 7x = −21 for x:

7x = −21

7         7

(we Divide both sides by 7)

x=−3

Now that we've found x let's put it back in to solve for y.

Put down an original equation:

−2x+y=3

Substitute−3 for x in−2x+y=3:

(−2)(−3)+y=3

y+6=3(Simplify both sides of the equation)

y+6+−6=3+−6(Add -6 to both sides)

y= −3

Solution

(-3, -3)

Sauron [17]3 years ago
6 0

Answer:

They all look right but i'm not sure about the last one?

Step-by-step explanation:

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X + 2 is an absolute value, so -5 becomes 5

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nika2105 [10]
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7 0
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zloy xaker [14]

Answer:

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Step-by-step explanation:

8 0
3 years ago
20 POINTS AND BRAINLIEST
emmainna [20.7K]
To solve this equation we must first plug in 5 for x.

\frac{1}{3}<span> (5 - 4x)
               </span>↓ 
\frac{1}{3} (5 - 4 · 5)

The next step would be to multiply 4 by 5 to get rid of the parenthesis within our main parenthesis.

\frac{1}{3} (5 - 4 · 5)

\frac{1}{3} (5 - 20)

The next step would be to subtract both of the numbers within the parenthesis.

\frac{1}{3} (-15)

Now we must multiply.

- \frac{1}{3} · 15 =  - \frac{1×15}{3}

- \frac{15}{3}

Now we simplify our answer to get our final answer.

-5
8 0
3 years ago
A tower made of wooden blocks measures​114 feet high. Then a block is added that increases the height of the tower by 8 inches.
WITCHER [35]
It may be 114ft’ 8” or 1376 or 114.7
Explanation: see what options of answers they give you and pick one :)

Hope this helps! ٩( ᐛ )و
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