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Nostrana [21]
3 years ago
7

Using the equation below as a model, fill in numbers in the place of a and b to create a rational equation that has an extraneou

s solution.
x plus a over ax = b over x

Part 1. Show all work to solve for x in the equation and check the solution.

Part 2. Explain how to identify the extraneous solution and what it means.
Mathematics
1 answer:
Yakvenalex [24]3 years ago
7 0
Lets solve the equation step by step:

(x + a)/ax = b/x

therefore: a != 0, x !=0

now we solve:

<span>(x + a)/ax = b/x
</span><span>(x + a)/a = b
</span>x + a = ab
x = a(b - 1)

that is the solution for b, and we keep in mind that <span>a != 0, x !=0, the extraneous solutions
</span>
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Between what two consecutive integers does the square root of 31 lie
Natali [406]
The answer is 5 and 6
Hope this helps
4 0
3 years ago
Refer to the following distribution:Cost of Textbooks Frequency $25 up to $35 2 S35 up to $45 5$45 up to $55 7$55 up to $65 20 S
soldi70 [24.7K]

Answer:

Relative\ Frequency = 0.04

Step-by-step explanation:

Given

Cost of Textbooks ---- Frequency

$25 up to $35  -----      2

$35 up to $45 -------     5

$45 up to $55  -------    7

$55 up to $65   ------    20

$65 up to $75   ----   -- 16

Required

Determine the relative class frequency for the $25 up to $35 class

First, we need to get the total frequency

Total = 2 + 5 + 7 + 20 + 16

Total = 50

Next, is to write out the frequency of $25 up to $35 class

Frequency = 2

Divide this frequency by the total frequency; This gives the relative frequency

Relative\ Frequency = \frac{Frequency}{Total}

Relative\ Frequency = \frac{2}{50}

Relative\ Frequency = 0.04

Hence;

Option D answers the question

4 0
3 years ago
(-7) x (-7)to the 11th power
masha68 [24]

Answer:

(-7)×(-7)=+49

You change the signs and multiple

5 0
2 years ago
Read 2 more answers
The coldest temperature in the city today was 14.8 degrees (Fahrenheit) lower than the hottest temperature. Let H represent the
devlian [24]
<h3>The formula that correctly relates H and L is H = L + 14.8</h3><h3>The high temperature is 83.7 degrees</h3>

<em><u>Solution:</u></em>

Let H represent the high  temperature

Let L represent the low temperature

Given that,

<em><u>The coldest temperature in the city today was 14.8 degrees (Fahrenheit) lower than the hottest temperature</u></em>

L = H - 14.8

Rearrange,

H = L + 14.8

<em><u>If the low temperature was 68.9 degrees, what was the high temperature?</u></em>

L = 68.9

Then,

H = 68.9 + 14.8

H = 83.7

Thus the high temperature is 83.7 degrees

6 0
3 years ago
13+49 is the same as 12+
Charra [1.4K]
13 + 49 = 62
62 - 12 = 50
The answer is 50
5 0
3 years ago
Read 2 more answers
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