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Tamiku [17]
3 years ago
8

Which expression is equivalent to 4x+3x+4-2x

Mathematics
1 answer:
kifflom [539]3 years ago
7 0

Answer:

5x+4

Step-by-step explanation:

4x+3x+4-2x

Combine like terms

4x+3x-2x      +4

5x          +4

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For 14a-14d,tell you which expressions require you to rename mixed numbers before you can subtract.Find each difference .write e
Vlada [557]

multiply the whole number with the denominator then add the numerator over the denominator then find the common multiple.

6 0
3 years ago
Karen paid 43.70 for a book. The price of the books was $40. What was the sales tax rate?
valentina_108 [34]
<span>43.70 - 40 = 3.7

3.7 / 40 = 0.0925 = 9.25%

tax rate = 9.25%</span>
4 0
3 years ago
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Simplify negative 3 over 2 / 9 over 6
Temka [501]
\mathrm{Simplify} -\frac{3}2\div\frac{9}6.

Dividing by a fraction is the same as multiplying by its reciprocal. (flipped version)

-\frac{3}2\div\frac{9}6=-\frac{3}2\times\frac{6}{9}

6 and 9 are both divisible by 3, so we can simplify 6/9 = 2/3.

-\frac{3}2\times\frac{2}3

We can multiply across right now, but we might as well cross cancel.
Look at the numbers diagonal from one another...-3 and 3 are both divisible by 3, so we can change them to -1 and 1...2 and 2 are both divisible by 2, so we can change them to 1 and 1...

-\frac{1}1\times\frac{1}1

Any fraction over 1 can just be expressed as a whole number.

-1\times1

Our final answer...-\frac{3}2\div\frac{9}6=\boxed{-1}

If you were to multiply across, (maybe you don't like cross cancelling, idk?) you'd get the same answer, of course.

-\frac{3}2\times\frac{2}3=-\frac{6}6=\boxed{-1}
6 0
3 years ago
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Which part of figure A is misleading ?
Marta_Voda [28]

Answer:

2

Step-by-step explanation:

It looks like figure A shows lower scores since it doesn't start at 0

7 0
3 years ago
A flag pole that is 20 feet tall casts a shadow 8 feet long.
Mama L [17]

Answer:

62.5 ft

Step-by-step explanation:

<u>→You can set up a proportion, like so:</u>

<u />\frac{20}{8} =\frac{x}{25}

<u>→Cross multiply:</u>

<u />\frac{500}{8x}

<u>→Divide 500 by 8:</u>

x = 62.5

7 0
3 years ago
Read 2 more answers
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