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erma4kov [3.2K]
3 years ago
7

What is -3 the sum of 5

Mathematics
1 answer:
Ainat [17]3 years ago
6 0
The solution is 2. -3+5=2
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Please help me find the value of x with all the work
iVinArrow [24]

Answer:

x = 21

Step-by-step explanation:

the angles 5x - 35 and 3x + 7 are vertical angles and congruent, thus

5x - 35 = 3x + 7 ( subtract 3x from both sides )

2x - 35 = 7 ( add 35 to both sides )

2x = 42 ( divide both sides by 2 )

x = 21

4 0
3 years ago
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What is -x / 4 = 25 ?
kap26 [50]

You asked what it is. It is a "one-step" linear equation in x.

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7 0
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The average mark of candidates in an aptitude test was 128.5 with a standard deviation of 8.2.Three scores extracted from the te
oksian1 [2.3K]

Answer:

Step-by-step explanation:

Hello!

The variable of interest is

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I hope this helps!

3 0
3 years ago
Express each of the following percentages as a fraction and simplify it.
telo118 [61]

\hookrightarrow\sf{ 25\% =\dfrac{25}{100}=\boxed{\bf \dfrac{1}{4} }} \\\hookrightarrow\sf{ 40\% =\dfrac{40}{100}=\boxed{\bf \dfrac{2}{5} }} \\\hookrightarrow \sf{16\%=\dfrac{16}{100}=\boxed{\bf\dfrac{4}{25}} } \\ \hookrightarrow\sf{150\%=\dfrac{150}{100}=\boxed{\bf\dfrac{3}{2} }} \\ \hookrightarrow\sf{120\%=\dfrac{120}{100}=\boxed{\bf\dfrac{6}{5} }} \\\hookrightarrow \sf{58\%=\dfrac{58}{100}=\boxed{\bf\dfrac{29}{50}} } \\\hookrightarrow \sf{32\%=\dfrac{32}{100}=\boxed{\bf\dfrac{8}{25} }} \\ \hookrightarrow\sf{175\%=\dfrac{175}{100}=\boxed{\bf\dfrac{7}{4}} } \\

\hookrightarrow \sf123\% =  \frac{123}{100}  = \boxed{\bf1.23} \\ \hookrightarrow  \sf2.25\% =  \frac{2.25}{100}  = \frac{225}{10000}  =  \boxed{\bf0.0225}

6 0
2 years ago
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7nadin3 [17]

Answer:

f = 4n

f = n+27

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n = 9

Step-by-step explanation:

6 0
3 years ago
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