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3 years ago

Write the fractional equivalent (in reduced form) to each number 30 points

Mathematics

1 answer:

tankabanditka [31]3 years ago

7 0

Correct answers are:

1) 1/3 (NOT 3/10). .3 repeating is not 3/10, 3/10 is .3.
2) 1/8. To solve, .125 has three places, so use 1000. 1000/125 is 8, that is your denominator. 125/125 is 1 is your numerator.
3) 1/6 (divide 100/16, which is 6 ¼ - round to 6. If you carry this out to 1,000,000/166,667, it is very close to 6.
4) 1/10
5) 2/3 (NOT 3/5)
6) 1/5 (2/10 reduced to 1/5)
7) 3/4 (75/100 reduced)

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5x−4y=34 −x+8y=22 elimination

Brut [27]

Answer:

The solution to the system of equations is:

$x=10,\:y=4$

Step-by-step explanation:

Given the system of equations

$\begin{bmatrix}5x-4y=34\\ -x+8y=22\end{bmatrix}$

Multiply -x+8y=22 by 5: -5x+40y=110

$\begin{bmatrix}5x-4y=34\\ -5x+40y=110\end{bmatrix}$

so adding the equations

$-5x+40y=110$

$+$

$\underline{5x-4y=34}$

$36y=144$

solve 36y = 144 for y:

$36y=144$

divide both sides by 36

$\frac{36y}{36}=\frac{144}{36}$

Simplify

$y=4$

For 5x-4y=34 plug in y=4

$5x-4\cdot \:4=34$

$5x-16=34$

Add 16 to both sides

$5x-16+16=34+16$

Simplify

$5x=50$

Divide both sides by 5

$\frac{5x}{5}=\frac{50}{5}$

Simplify

$x=10$

Therefore, the solution to the system of equations is:

$x=10,\:y=4$

3 0

3 years ago

I WILL GIVE BRAINLIEST

Illusion [34]

Answer:

D. -20 + 35c

Step-by-step explanation:

All you need to do is distribute the -5 to what's inside the parenthesis:

-5(4 - 7c)

The -5 can be distributed to the 4 and the -7c:

-20 + 35c

6 0

3 years ago

Х2 + 2x, 3х + 5, x2 + 1, 6x - 4

professor190 [17]

Answess

Step-by-step explanation:

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2 years ago

M+3n+6m identify like terms

Over [174]

Looking at this we can group like terms. What are like terms? They are terms that have the same variable that we can add or subtract. In this case the like terms are 6m and m because they both have the same variable and we could add them together to get 7m.

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3 years ago

At a recent party it cost $9.50 for refreshments for 10 guest.at this rate,how much would it cost to have refreshment for 80 gue

Talja [164]

For 80 guests you will need 80/10 = 8 times more than for 10 guests:

8*9.50 = $76

Refreshment for 80 guests costs $76.

8 0

3 years ago