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sergiy2304 [10]
2 years ago
11

Solve the formula Ax + By = C for A.

Mathematics
1 answer:
ZanzabumX [31]2 years ago
3 0

Answer:

A=C/x-By/x

Step-by-step explanation:

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what number should be added to the expression x^2 + 10x to change it into a perfect square trinomial?​
Annette [7]

Answer:

\large\boxed{5^2=25}

Step-by-step explanation:

\text{Perfect square:}\ (a+b)^2=a^2+2ab+b^2\\\\x^2+10x\\\Downarrow\\x^2+2(x)(5)\\\Downarrow\\x^2+2(x)(5)+5^2=(x+5)^2

3 0
3 years ago
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3x+2y=10<br> 12x+5y=25<br><br> Solve by substitution or elimination
zaharov [31]
3x + 2y = 10 ....multiply by -4
12x + 5y = 25
-------------------
-12x - 8y = -40 (result of multiplying by -4)
12x + 5y = 25
------------------add
-3y = - 15
y = -15/-3
y = 5

3x + 2y = 10
3x + 2(5) = 10
3x + 10 = 10
3x = 10 - 10
3x = 0
x = 0

solution is (0,5)
5 0
3 years ago
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mafiozo [28]
The amount of x is 28

6 0
3 years ago
A customer buys a different book that has an original selling price of $38. The book is discounted 25%. The customer must pay a
krok68 [10]
$38.00 x 0.25= $9.50
$38.00 - $9.50= $28.75
$28.75 x 0.06= $1.725
$28.75 + $1.73= $30.48

5 0
3 years ago
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Kerry knit 16 winter hats to give as presents to her family. She wants to package the hats in gift boxes. She wants to put 5 hat
solniwko [45]

Answer:

she needs to buy 4 boxes since she can't buy a part of a box. assuming total boxes means completely filled boxes, then she fills 3

Step-by-step explanation:

7 0
3 years ago
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