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Vadim26 [7]
2 years ago
13

-3(-7) answer to this please

Mathematics
1 answer:
Naddika [18.5K]2 years ago
8 0

Answer:

21

Step-by-step explanation:

Negative times negative is positive.

-3(-7) = 21

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First choice A : 2x +3y is <em>less than or equal </em><em>to</em><em> </em>18. x <em>greater</em><em> </em><em>than</em><em> </em><em>or</em><em> </em><em>equal</em><em> </em><em>to</em><em> </em>0. y <em>greater</em><em> </em><em>than</em><em> </em><em>or</em><em> </em><em>equal</em><em> </em><em>to</em><em> </em>0.

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Rename 65/8 as a mixed number
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The number of visitors to the homepage of an online magazine can be modeled by the equation y = 1100.74x − 1976.47, where x = 5
kykrilka [37]

The function y = 1100.74x - 1976.47 represent the total number of visitors x years after 2005.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

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The function y = 1100.74x - 1976.47 represent the total number of visitors x years after 2005.

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4 0
1 year ago
Please answer the question shown in the attachment.
Lera25 [3.4K]

9514 1404 393

Answer:

  D.  ∠1 ≅ ∠3

Step-by-step explanation:

In order to show the lines parallel, you must show how one of the angles 1 or 4 relates to one of the angles 2 or 3. Possibilities include ...

  ∠1 +∠2 = ∠3 +∠4 = 180°

  ∠1 = ∠3

  ∠2 = ∠4

The second of the possibilities listed here matches choice D.

8 0
3 years ago
Please please help !!
Softa [21]

Step-by-step explanation:

As the problem said, you need to submit a picture of your own work, but I can help nevertheless.

Blank 1:

\tan 70=\frac{x}{300}\\x=300\tan70 \approx \boxed{824.24}

Blank 2:

\tan 53=\frac{x}{300}\\x=300\tan53 \approx \boxed{398.11}

Blank 3:

300\tan(70)-300\tan(53)\approx\boxed{426.13}

4 0
3 years ago
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