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Advocard [28]
3 years ago
13

5 x^{2} -4=-8  How do i solve this????

Mathematics
2 answers:
fgiga [73]3 years ago
5 0
Use pemdas, parenthesis, exponents, multiplication/division, addition/subtraction. thats the best way to explain how to do this.
Makovka662 [10]3 years ago
3 0
5^{2}=-4
x^{2}=-5/4
x=-√5/2
Hope I can help you
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Here are the values of the first 5 terms of 3 sequences: : 30, 40, 50, 60, 70, . . . : 0, 5, 15, 30, 50, . . . : 1, 2, 4, 8, 16,
Levart [38]

Answer:

1,2,4,8,16.

Step-by-step explanation:

they are a square root of 2 for each question. it will eventually get up higher then additive.

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3 years ago
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IrinaVladis [17]

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Step-by-step explanation:

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The sum of integers p and q is modeled on a number line, where |p| < |q|. In each box write p,q, or p + q. Then write an addition equation

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3 years ago
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Kamila [148]

Answer:

A

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8 0
2 years ago
0.7 (3s + 4)-1.1s = 7.9
vichka [17]

Answer:

s = 5.1

Step-by-step explanation:

0.7 (3s + 4)-1.1s = 7.9\\

Multiply both sides of the equation by 10

0.7\left(3s+4\right)\cdot \:10-1.1s\cdot \:10=7.9\cdot \:10\\\\= 7\left(3s+4\right)-11s=79\\

Expand

\mathrm{Expand\:}7\left(3s+4\right)-11s:\\\quad 10s+28

Subtract 28 from both sides

10s+28-28=79-28

Simplify

10s=51

Divide both sides of the equation by 10

\frac{10s}{10}=\frac{51}{10}

Simplify

s=\frac{51}{10}\\\\Decimal = 5.1

3 0
3 years ago
Read 2 more answers
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