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olganol [36]
2 years ago
14

How is evaluating an expression with fractions like evaluating an expression with whole numbers? How is it different?

Mathematics
2 answers:
Ymorist [56]2 years ago
8 0

Answer:

Step-by-step explanation:

How do you evaluate fractions with whole numbers?

Multiply a fraction with a whole number by multiplying only the numerator. For example, 5 x 1/8 = 5/8. Multiply a fraction with another fraction by multiplying the numerators together and the denominators together. For example, 3/8 x 2/5 = 6/40 = 3/20.

zmey [24]2 years ago
6 0
Multiply a fraction with a whole number by multiplying only the numerator. For example, 5 x 1/8 = 5/8. Multiply a fraction with another fraction by multiplying the numerators together and the denominators together. For example, 3/8 x 2/5 = 6/40 = 3/20.
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Can you help me solve systems of equations by elimination step by step<br> 6x+y=15<br> -7x-2y=-10
Anna71 [15]

Answer:   (4, -9)

<u>Step-by-step explanation:</u>

Use elimination method.  Manipulate one (or both) equations to eliminate one of the variables and solve for the remaining variable.  <em>I will be eliminating y</em>

6x +  y =  15    → 2(6x +  y =  15)   →   12x + 2y = 30

-7x - 2y = -10   → 1(-7x + 2y = -10)   →  <u> -7x - 2y = -10</u>

                                                             5x        = 20

                                                               x         =  4

Next, replace "x" with "4" into either equation and solve for y.

6(4) + y = 15

24  + y = 15

         y  = -9


<u>Check:</u>

Plug in x = 4 and y = -9 into the other equation to verify it makes a true statement.

-7x - 2y = -10

-7(4) - 2(-9) = -10

-28  -   -18  = -10

-28  +  18 = -10

       -10    =  -10  \checkmark

6 0
3 years ago
Given 3X - Y = -13 solve for y
Yanka [14]
Maybe u should do inverse operation on both sides idk but just try it
4 0
2 years ago
A company sells t-shirts for $6 each. They also charge a one-time processing fee of $3 per order. Jamie ordered t-shirts and pai
jenyasd209 [6]
$45-$3 
you would do this to take out the processing fee.
$42/ $6
this is because each shirt cost $6
the equation would be (45-3) / 6= 7]  
your answer would be 7 shirts 
4 0
3 years ago
What is the exact volume of the sphere? the radius is 4.8
Allisa [31]
V = 4/3πr³
V= 4/3π(4.8)³
V= 4/3π(110.592)
V=147.456π
5 0
3 years ago
Determine whether the statement is sometimes, always, or never true. If ax+b-4=b and doesn’t equal 0 then x=4/a?
attashe74 [19]

Start with expression ax+b-4=b.

1. Separate terms - with x leave in left side, without x write in right side:

ax=b-b+4,\\ \\ax=4.

2. Divide the last expression by a (a\neq 0):

x=\dfrac{4}{a}.

Answer: this statement is true when a\neq 0.

4 0
3 years ago
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