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Sidana [21]
3 years ago
11

4. If the figures below are similar with a scale factor of 2:3, find the value of x.

Mathematics
1 answer:
Kobotan [32]3 years ago
4 0

Answer:

x = 63

Step-by-step explanation:

Using proportion to solve for x

\frac{42}{x} = \frac{2}{3} ( cross- multiply )

2x = 126 ( divide both sides by 2 )

x = 63

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Answer:

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Step-by-step explanation:

<u>move constant</u>

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4 0
3 years ago
Jim rented a truck for one day. there was a base fee for $19.95 and there was an additional charge of 91 cents for each mile dri
beks73 [17]
First you’ll subtract the base fee, which is 19.95 from the price payed, 243.81

243.81
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223.86

Now take 223.86, your remainder and divide it by .91, you will get 246, meaning Jim traveled 246 miles.

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5 0
2 years ago
3^x ( x^2 -3) i don't know how to solve this problem
geniusboy [140]
3ˣ (x² - 3)

Basically, just multiply everything together.

Step 1 : 3x × x² = 3x³ because when multiplying exponents, all you're really doing is adding them on top. So, x + 2x = 3x! But, they are exponents, so you get 3x³.

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Now, our new question is : 3x³ - 9x

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~Hope I helped!~
7 0
3 years ago
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11Alexandr11 [23.1K]

Answer:

is it $21.75

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
What expression is equivalent to -5(3x- 4)
Alex17521 [72]

Answer:

= -15x +20

Step-by-step explanation:

-5(3x- 4)

= -5×3x- 4×-5

= -15x +20

6 0
4 years ago
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