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Natalija [7]
4 years ago
8

NEED THE ANSWER QUICK

Mathematics
1 answer:
crimeas [40]4 years ago
8 0

Answer:

30 x 5x

9x + 5y

8x+ 20y

Step-by-step explanation:

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Please help!!
Fudgin [204]

Answer:

C=13

Step-by-step explanation:

Pythagorean theorem

a^2 + b^2=c^2

a squared plus b squared equals c squared

8 0
3 years ago
SOlve the system of equations using substitution<br><br><br> y=2x-10<br> y=4x-8
dezoksy [38]
It should be,
4x-8=2x-10    because you substitute that for y.
Now you do,
4x-2x    because you do the opposite of the positive 2x as you bring it to the other side.
That is,
2x-8=10   now you bring the 8 to the other side.
2x=10+8   I added it because I do the opposite and it is a negative 8 so I add.
2x+18    now divide
x=9    that's the answer.
3 0
3 years ago
Zoe had a board 5 1/4 feet long she cut off a piece now the board is 3 5/6 feet long how long was the piece she cut off
uysha [10]

Least common denominator is 24

7 0
3 years ago
Which is an equation of a direct proportion?<br><br> A. =1/3−2<br> B. =3/<br> C. =−3+4<br> D. =−3
katrin [286]

Answer:

<em>D. y=-3x</em>

Step-by-step explanation:

<u>Direct Proportion</u>

A direct proportion is a relation between variables where their ratio is a constant value. This means that if y and x are proportional, then:

\displaystyle \frac{y}{x}=k

Where k is the constant of proportionality.

Solving for y:

y=kx

The only choice representing a direct proportion is:

D. y=-3x

4 0
3 years ago
Read 2 more answers
Brainliest to correct answer
vodka [1.7K]
The answer is.... B!!

This is the answer because if you fill in X as 4, then you would end up with 16 and the square root of 16 is 4!!

I hope this helps!!
8 0
4 years ago
Read 2 more answers
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