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luda_lava [24]
3 years ago
11

3r-8(5r-3)what’s the answer

Mathematics
2 answers:
adelina 88 [10]3 years ago
7 0
3r-8(5r)-8(-3)
3r-40r+24
-37r+24
I hope that help you
PolarNik [594]3 years ago
5 0

See picture for solution steps and answer.

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A textbook store sold a combined total of 477 sociology and math textbooks in a week. The number of sociology textbois sold was
denpristay [2]

Answer:

The correct answer is 218 math textbooks and 259 sociology textbooks.

Step-by-step explanation:

To solve this problem, we can make a system of equations. Let the number of sociology textbooks sold be represented by the variable "s" and the number of math textbooks sold be represented by the variable "m". Using these variables, we can make two equations:

s + m = 477

m + 41 = s

There are many ways to solve this system of equations. One approach we can take is substituting the value for s given by the second equation into the first equation. This is modeled below.

s + m = 477

(m + 41) + m = 477

Combining like terms on the left side of the equation yields:

2m + 41 = 477

Subtracting 41 from both sides of the equation gives us:

2m = 436

Finally, dividing both sides of the equation by 2 gives us:

m = 218

To solve for the number of sociology textbooks, we can substitute into either of our original equations.

m + 41 = s

(218) + 41 = s

s = 259

Therefore, your answer is m = 218 and s = 259, or 218 math textbooks and 259 sociology textbooks were sold.

Hope this helps!

6 0
2 years ago
HELP PLS
masha68 [24]
I think it would be 0°
7 0
2 years ago
Please help. I’ll mark you as brainliest if correct!
r-ruslan [8.4K]

Answer:

650 Country A Dollars

Step-by-step explanation:

1 Country B Dollar = 1.3 Country A Dollar

Country A Dollars for 500 Country B Dollars = 500 x 1.3 = 650

5 0
2 years ago
Write a letter to a friend in another town invite him or her to spend Christmas holidays with you​
Black_prince [1.1K]

Answer:

hey my friend please come over to spend the Christmas holidays with me and my family this year. If you are afraid of your dad it's ok I'll ask my mom to call him and ask him

7 0
3 years ago
5 / 4 x + 3 = x - 1 / 4
tiny-mole [99]
5/4x+3 = x-1/4
5/4x-x = -1/4-3
1/4x = -13/4
x = -13/4.4
x = - 13
6 0
3 years ago
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