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dem82 [27]
3 years ago
13

1) Solve: – 4x – 11 = 7 Pls help

Mathematics
1 answer:
blagie [28]3 years ago
8 0

Answer:

x = -9/2

Step-by-step explanation:

-4x - 11 = 7

-4x = 7 + 11

-4x = 18

x = -18/4

x = -9/2

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Michelle tried to solve an equation step by step. \begin{aligned} t-\dfrac35&=\dfrac45\\\\ t-\dfrac35+\dfrac35&=\dfrac45
koban [17]

Answer:

Step 2

Step-by-step explanation:

Michelle's step in trying to solve the equation is given below:

\begin{aligned} t-\dfrac35&=\dfrac45\\\\ t-\dfrac35+\dfrac35&=\dfrac45+\dfrac35&\green{\text{Step } 1}\\\\ t&=1&\blue{\text{Step } 2} \end{aligned}

Michelle made a mistake in Step 2.

The right hand side of Step 1:  \dfrac45+\dfrac35\neq 1

Rather, the correct sum is:

\dfrac45+\dfrac35=\dfrac75\\\\=1\dfrac25

4 0
4 years ago
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alexira [117]
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3 years ago
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Volgvan

Answer:

1:6

2:2

3:4, it's twice the MAD.

Step-by-step explanation:

6-2=4

MAD: 2

3 0
3 years ago
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Yakvenalex [24]
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7 0
2 years ago
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(geometry) i would appreciate help please
goldfiish [28.3K]

Answer:

63

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We are taking a dilation of 3, so that means we are multiplying by 3. We multiply 3 to 21 to get 63.

5 0
3 years ago
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