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AnnZ [28]
3 years ago
7

Five more than twice a certain number​

Mathematics
2 answers:
kicyunya [14]3 years ago
8 0

Answer:

5 more than twice a number

2x + 5

.

is the same

=

.

8 less than 3 times the number

3x -8

.

2x + 5 = 3x -8

13 = x

x = 13

.

Check to see if this is right.

.

2x+5 = 2(13)+5 = 31

3x -8 = 3(13)-8 = 31

right.

.

Answer: The number is 13.

.

Done.

nataly862011 [7]3 years ago
3 0
2x+5 should be the answer
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Simplify the expression please help
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3 0
3 years ago
Fill in the blanks below.
Crank
The slope for the first one would be:
y2-y1/x2-x1, so replace those with the coordinates and you'll get:
-3-1/-7-(-7) => -4/0 so I guess the slope is zero

the slope for the second one would be:
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4 0
3 years ago
Read 2 more answers
Assessment items What is the quotient? 1 5/8 ÷(−1 3/5 )
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We need convert the mixed numbers to improper fractions.

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Divide the number by a fraction, this is the same as multiply this number by the reciprocal of the fraction:

1\dfrac{5}{8}\div\left(-1\dfrac{3}{5}\right)=-\dfrac{13}{8}\div\dfrac{8}{5}=-\dfrac{13}{8}\cdot\dfrac{5}{8}=-\dfrac{(13)(5)}{(8)(8)}=-\dfrac{65}{64}\\\\\boxed{1\dfrac{5}{8}\div\left(-1\dfrac{3}{5}\right)=-1\dfrac{1}{64}}

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3 years ago
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