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3 years ago

PLZ HELP ME I BEG OF YOU!?!?!

Mathematics

1 answer:

Marina CMI [18]3 years ago

4 0

3 - 7 = -4

Why?

7 is a bigger number than 3 which makes the answer a negative number.

-9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9

that is a number line and if you start from 3 and go back 7 spaces it would be -4.

In conclusion,

-4 is the absolute value of 3 - 7.

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There are 10 dogs and 4 leave.What is the percent change?<br><br> But can you explain it to me plzz

Vera_Pavlovna [14]

Answer:

the percent change would be 40 percent

Step-by-step explanation:

think of 10 as a base so like 100 ok and you know if 50 of that is 50 percent 40 would just be forty percent

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3 years ago

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Naddik [55]

Answer:

B. 16/3

Step-by-step explanation:

f(2) = 1/3 · 4²

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3 years ago

What is the inverse of the function f(x) = 2x + 1?

Tatiana [17]

We have $y=2x+1$ , to find inverse switch y and x then solve for y.

$x=2y+1 \\ x-1=2y \\ y=\frac{x-1}{2}$ .

Hope this helps.

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3 years ago

Fill in the blank by performing the indicated elementary row operation(s).

Scilla [17]

In this question, we are given a matrix, and we have to perform the given operation.

The matrix is:

$\left[\begin{array}{ccc}6&-1&|5\\1&-5&|0\end{array}\right]$

The following operation is given:

$R_1 \rightarrow -6R_2 + R_1$

In which $R_1$ is the element at the first line and $R_2$ is the element at the second line.

Updating the first line:

$R_{1,1} = -6*1 + 6 = 0$

$R_{1,2} = -6*-5 - 1 = 30 - 1 = 29$

$R_{1,3} = -6*0 + 5 = 5$

Thus, the filled matrix will be given by:

$\left[\begin{array}{ccc}0&29&|5\\1&-5&|0\end{array}\right]$

For another example where row operations are applied on a matrix, you can check brainly.com/question/18546657

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3 years ago

Lainey runs a string of lights from the ground straight

tangare [24]

Answer:

150 lights

Step-by-step explanation:

2.5 times 6 equals 15 times 10 is 150 their are 150 lights

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3 years ago