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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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Nady [450]

Answer:

a= 3

b= 0

Step-by-step explanation:

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2 years ago
Read what on the image and it is so easy
vova2212 [387]

F - 1.47

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7 0
2 years ago
Is or is not -4 equal to 4<br> pls pls help me
Taya2010 [7]

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8 0
3 years ago
Read 2 more answers
Authur earned $136 in three weeks. He goes back to school in one more week. He needs at least $189 to buy the new coat that he w
Nady [450]

Answer:

136+ m ≥ 189 is the required inequality : m: The earning in 4th week

Arthur needs to earn AT LEAST $53 in the fourth week to buy the coat which costs at least $189.

Step-by-step explanation:

The amount earned by Arthur in first 3 weeks = $136

The amount needed to buy a coat = AT LEAST $189

Let us assume the amount Arthur needs to earn more to buy  coat = $m

⇒ $ 136 + Amount Earned in 4th week  ≥ $189

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The above equation is the NEEDED inequality of the given situation.

Now, solving for the value of m, we get:

136+ m ≥ 189

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or, m ≥ $53

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3 0
3 years ago
11 = − 3k − 22 − 8k<br> K equals what?
butalik [34]

  11 = -3k - 22 - 8k

  11 = -11k - 22         <em>added like terms (-3k and -8k)</em>

<u>+22</u>     <u>     +22 </u>

33 = -11k

\frac{33}{-11} = \frac{-11k}{-11}

 -3 = k

Answer: k = -3

3 0
3 years ago
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