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Musya8 [376]
3 years ago
7

Mr. Levin tried to simplify this expression. He made a mistake! Explain where the mistake is in this problem. Give the correct s

implified expression too
8 - 3 (2x-5)
5 (2x-5)
10x -25
Mathematics
2 answers:
Zielflug [23.3K]3 years ago
7 0
Aaaaiiidnxidndkxow si !!!! 10
Law Incorporation [45]3 years ago
3 0

Answer:

They did not distribute,

8-3(2x-5)

8-6x+15

23-6x

Step-by-step explanation:

8-3(2x-5)

8-6x+15

23-6x

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Nellie and her younger sister Debbie share expenses on a holiday. Nellie spends $122 more than Debbie. Their total expenses amou
VMariaS [17]

Answer:

see below

Step-by-step explanation:

Let N = how much Nellie spends

Let D = how much Debbie spends

Part A

Nellie spends $122 more than Debbie.

N= D +122

Their total expenses amount to $840.

N+D =840

The two equations are

N= D +122

N+D =840

Part B

We can substitute the first equation which is solved for N into the second equation.  Every place we see an N in the second equation, we replace it with D+122

Part C

N= D +122

N+D =840

(D+122) +D = 840

Combine like terms

2D +122 = 840

Subtract 122 from each side

2D+122-122=840-122

2D =718

Divide by 2

2D/2= 718/2

D =359

Debbie spends 359

7 0
3 years ago
Drag the expressions to the table to show whether the product is less than 3/4, greater than 3/4, or equal to 3/4.
KiRa [710]

A fraction 3/4 is called greater than 3/4 if,

Numerator > denominator,

Otherwise it is less than 3/4 ,

\frac{1}{3}  \times \frac{3}{4}=\frac{1}{4}

$$\begin{aligned}&\frac{5}{2}  \times \frac{3}{4}=\frac{15}{8} \\&\because 8 < 15 \\&\Longrightarrow  \frac{5}{2}\times \frac{3}{4} < 3/4 \\&\frac{7}{7}  \times \frac{3}{4}=\frac{3}{4} \\&\because 3 < 4 \\&\Longrightarrow \frac{3}{4}  \times \frac{3}{4} = 1 \\& \frac{9}{7} \times \frac{3}{4}=\frac{27}{28} \\&\because 28 > 27 \\&\Longrightarrow \frac{5}{5}  \times \frac{3}{4} > \frac{3}{4} \end{aligned}$$

A fraction represents a portion of a total. This entire may refer to a place or a group of places. The Latin word "fraction," which meaning "to break," is the source of the English term "fraction." The distribution of food and supplies as well as the lack of a metal currency were among the mathematical issues that the Egyptians utilized fractions to solve because they were the first civilization to understand fractions.

Only verbal descriptions of a portion of the whole were used to write fractions in ancient Rome. The numerator and denominator of fractions were first written in India with one number above the other, but without a line. The line used to divide the numerator and the denominator was only added by Arabs.

To learn more about fraction brainly.com/question/10354322

#SPJ9

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2 years ago
Factor for each expression.<br><br> 8+16
KIM [24]

Answer:idk i hate math

Step-by-step explanation:sry ttyl

6 0
3 years ago
What is 2/10 in simplest form
ira [324]
\dfrac {2}{10}=\dfrac{2:2}{10:2}=\dfrac{1}{5}
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The ratio of 5 red trucks / 9 white trucks
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Answer:

5 to 9            5:9            5/9

Step-by-step explanation:

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