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svetoff [14.1K]
4 years ago
14

√a=-2 find the extraneous solution

Mathematics
1 answer:
Hunter-Best [27]4 years ago
6 0
A=4 because √a=-2 the you square each side to make it a=4. 
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What is the value of x in the equation 4x + 1.3 = -7.9
forsale [732]

Answer:

  • x = - 2.3

Step-by-step explanation:

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  • 4x = -7.9 - 1.3
  • 4x = -9.2
  • x = -9.2/4
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4 0
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PLEASE HELP FAST!!! Use the fact that one mile is approximately 1.61 kilometers to find the number of miles in 584 kilometers. R
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Hello there! So if we are looking for the number of miles in 584 kilometers, then all we have to do is divide, because there are about 1.61 kilometers in 1 mile. Dividing those two numbers of the same unit will help us convert to miles. 584/1.61 is 362.7329193 or 362.73 when rounded to the nearest hundredth. There. There are about 362.73 miles in 584 kilometers.
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A school purchased T-shirts to sell for a fundraiser.
antiseptic1488 [7]

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8 0
4 years ago
A lamp has a height of 28 inches. About how many centimeters tall is the lamp? (One inch is approximately 2.5 centimeters.)​
irina1246 [14]

Answer:

70cm

Step-by-step explanation:

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The height in cm;

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5 0
3 years ago
For what values of x is the absolute value of x less than or equal to 1.5? (Hint: Substitute numbers into the inequality |x| ≤ 1
o-na [289]

Answer:

|x|<1.5

if x=0

0<1.5 is true

if x=1.5

1.5<1.5

true

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anything greater than 1.5 or less than -1.5 doesn't work

the way to solve is

assume that the inside is negative so if you had

|x|=a then to solve

x=a

x=-a

8 0
3 years ago
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