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ddd [48]
3 years ago
5

How do solve for x in 50=-10(x+10)​

Mathematics
1 answer:
Svetllana [295]3 years ago
4 0

Answer:

x=-15

Step-by-step explanation:

50=-10(x+10)

Distribute 10: 50=-10x-100

Add 100 to both sides: 100+50=-10x-100+100

150=-10x

Simplify: 150/-10=-10x/-10

x=-15

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Which is equivalent to - (2x - 5y ) ?
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-2x+5y should be the answer

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8 0
3 years ago
What is 11,339,800 to the nearest whole number
Bas_tet [7]
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3 years ago
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Find the value of x and y so that both proportions will be correct:
andrew11 [14]

The values of x and y are 0.2 and 0.4 respectively.

<em><u>Explanation</u></em>

The given proportions are.....

x: 1\frac{2}{3}=y: 3\frac{1}{3} and y:1.5=0.2:0.75

From the second proportion, we will get....

y:1.5=0.2:0.75\\ \\ \frac{y}{1.5}=\frac{0.2}{0.75} \\ \\ 0.75y=0.2*1.5\\ \\ 0.75y=0.3\\ \\ y=\frac{0.3}{0.75}=0.4

Now, we will plug this y=0.4 into the first proportion. So we will get....

x: 1\frac{2}{3}=y: 3\frac{1}{3}\\ \\ x: \frac{5}{3}=0.4:\frac{10}{3} \\ \\ \frac{x}{\frac{5}{3}}= \frac{0.4}{\frac{10}{3}}\\ \\ \frac{3x}{5}=\frac{1.2}{10}\\ \\ 30x=6\\ \\ x= \frac{6}{30}=0.2

So, the values of x and y are 0.2 and 0.4 respectively.

6 0
3 years ago
Determine whether each equation is a linear equation. Write yes or no. If yes, write the equation in standard form. 12x = 7y - 1
Anna71 [15]

Answer:

Yes, this is linear.

y = -4x

Step-by-step explanation:

12x = 7y - 10y

12x = -3y

-3y = 12x

/ -3    /-3

y = -4x + 0

Please mark me brainliest if this helped, thank you!

6 0
2 years ago
Read 2 more answers
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