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Assoli18 [71]
3 years ago
5

What is the answer to this math question?

Mathematics
1 answer:
Andrews [41]3 years ago
8 0

Answer:

2x+a=5bx

Step 1: Add -2x to both sides.

a+2x+−2x=5bx+−2x

a=5bx−2x

Answer:

a=5bx−2x

Step-by-step explanation:

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A bookstore sells textbooks for $80 each and notebooks for $4 dollars each. The bookstore would like to sell $800 in merchandise
mariarad [96]

Answer: 8 textbooks

Step-by-step explanation:

Sold 40 notebooks = 40 x $4 = $160

$800 - $160 = $640 left to sell

$640/$80 (cost of textbook) = 8 textbooks need to be sold

3 0
3 years ago
I don't understand plz help​
Rasek [7]

Answer:

The equation that represent x, the height of the sign is;

2a = 3x

Step-by-step explanation:

Given that the area of the triangular yield is A square feet

and it has a base length of 3 feet.

also the height is represented by x;

b = 3ft \\ h = x

Recall that the area of a triangle can be written as;

a =  \frac{1}{2} bh

substituting the given;

a =  \frac{1}{2}  \times 3 \times x \\   a =  \frac{3}{2} x \\ 2a = 3x

Therefore, the equation that represent x, the height of the sign is;

2a = 3x

8 0
2 years ago
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What are the measurements for all the numbered angles
Scorpion4ik [409]

angle 1, 3, 5, 7 = 70°

angle 2, 4, 6, 8 = 110°



8 0
3 years ago
Then he deposited some more money and his account balance was $28. How much did he deposit?
creativ13 [48]
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6 0
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Aleksandr-060686 [28]

Answer:

x = 4.75 or 19/4 or 4 and 3/4

Step-by-step explanation:

10 - 4x = -9

-10         -10

-4x = -19

----    -----

-4     -4

x = 4.75 or 19/4 or 4 and 3/4

4 0
3 years ago
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