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4vir4ik [10]
3 years ago
7

How do you solve 7a+10=2a

Mathematics
2 answers:
amm18123 years ago
4 0
7a+10=2a -7a. -7a 10=-5a Divide by -5 and u get ur answer
sammy [17]3 years ago
3 0
Subtract 7a from both sides giving you 10=-5a and divide everything by 5. This gives you a=-2
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Sheryl makes $7 per pair of
madreJ [45]

An expression is defined as a set of numbers, variables, and mathematical operations. The expression that can represent the total income of Sheryl is 7e+13n.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

Since Sheryl makes $7 per pair of earrings and $13 per necklace, therefore, the expression that can represent her total income of Sheryl is 7e+13n.

Learn more about Expression:

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5 0
1 year ago
Would anybody give the right answer
BARSIC [14]

Answer:

i think so

Step-by-step explanation:

8 0
2 years ago
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Sin x = cos 15 and 0 &lt; x &lt; 90, what is x
cluponka [151]

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Step-by-step explanation:

4 0
3 years ago
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Is 226.08cm to the third power the correct response?
drek231 [11]
Surface Area of a cylinder 2(π•r²)+(2π•r)•h

So

If the diameter is 8 then the radius is 4. the height is 5.

so you have, 2(3.14•4²)+(2•3.14•4)•5

solve. PEMDAS
Parentheses & Exponents first.
2(3.14•16)+(2•3.14•4)•5
2(50.24)+(6.28•4)•5
2(50.24)+(25.12)•5
Multiplication & Division second (left to right)
100.48+125.6
Add & Subtract (left to right)
226.08cm

5 0
3 years ago
Find a number which decreased by 12 equals 3 times it’s opposite
-BARSIC- [3]

Answer:

The number is 3.

Step-by-step explanation:

To find : A number which decreased by 12 equals 3 times it’s opposite ?

Solution :

Let the number be 'x'.

It's opposite is '-x'.

A number which decreased by 12 equals 3 times it’s opposite

i.e. x - 12 = 3(-x)

Solving the equation,

x-12=-3x

x+3x=12

4x=12

x=\frac{12}{4}

x=3

Therefore, the number is 3.

4 0
3 years ago
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