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Eduardwww [97]
3 years ago
8

Solve the system of equations by substitution y = 2x - 4 7x - 2y = 5​

Mathematics
2 answers:
denis-greek [22]3 years ago
7 0

Answer:

Point form: ( -1 , -6)

Equation form: x= -1 , y= -6

u should mark brainliest ;)

Amanda [17]3 years ago
3 0
3x + 4 ,, hope i helped !!
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What is thr difference between dividing 16 by 2 and finding the square roots of 16?
kenny6666 [7]
When you divide a number by two, you find the number that if you add it to itself, become the original number. 

When you square root a number, you find the smaller number that becomes the bigger number if you multiply it by itself.

For sixteen, if you divide it by two, you get 8, while if you square root it, it becomes 4.

5 0
3 years ago
Read 2 more answers
-11 2/3 × ( -4 1/5 )=​
galina1969 [7]
The answer is 49
Solving Steps

8 0
3 years ago
The formula=A+2lh+2wh gives surface area a. Of a rectangler solid with length, width, and height, L,W, and H, respectively solve
iogann1982 [59]

Answer:

l= \frac{A}{2h} -w

Step-by-step explanation:

The question is not correct (particularly the expression for the area)

 A=2lh+2wh

Now we are expected to solve for l, that is we are going to make l subject of the formula, we have

let us take the second term on the RHS to the LHS

A-2wh= 2lh

we can now divide both sides by 2h we have

\frac{A-2wh}{2h} = l\\\\l=\frac{A}{2h} -\frac{2wh}{2h} \\\\l= \frac{A}{2h} -w

hence the expression for the length is  l= \frac{A}{2h} -w

6 0
3 years ago
Need help with full explanation first to answer extra points!!!
blsea [12.9K]

Answers:

<h2>1. 35 </h2><h2>2. 12</h2>

Step-by-step explanation:

Those brackets indicate absolute value. Absolute value is the distance of a number from 0 on the number line. In other words, negatives don't matter. There is also no such thing as a negative absolute value.

-2     -1      0      1       2

Both -2 and 2 are the same distance from 0, just in the opposite direction. Both numbers have the same absolute value, which is 2.

Hope This helps. If it did, then....

<em>PLEASE MARK BRAINLIEST</em>

7 0
4 years ago
How much interest is earned when the principal amount is $250, the annual simple interest rate is 1%, and the number of years is
harkovskaia [24]

Answer:

240.1

Step-by-step explanation:

7 0
3 years ago
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