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3 years ago

10

Mel bought some shirts for $15 each, Joe bought 3 less shirts than Mel for $18 each together they spent $111 how many shirts did

each person buy

1 answer:

LenaWriter [7]3 years ago

8 0

Mel purchased 5 shirts and Joe purchased 2 shirts.

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Show any calculations, including 180 degrees, go step by step pls.

ICE Princess25 [194]

Answer:

<em>120°, 120°, 60°, 60°</em>

Step-by-step explanation:

m∠1 = 180° - 60° = 120°

m∠1 = m ∠2 (alternate interior)

m∠3 = 60° (vertical to given angle)

m∠4 = m∠3 (alternate exterior)

5 0

3 years ago

3 = logb(512)<br><img src="https://tex.z-dn.net/?f=%20log_%7Bb%7D%28512%29%20" id="TexFormula1" title=" log_{b}(512) " alt=" log

zzz [600]

Answer:

<h2>b = 8</h2>

Step-by-step explanation:

$\text{Use}\ \log_ab=c\iff a^c=b,\ \text{for}\ a>0,\ b>0\ \wedge\ a\neq1\\\\Domain:b>0\ \wedge\ b\neq1\\\\\log_b(512)=3\iff b^3=512\to b=\sqrt[3]{512}\\\\\begin{array}{c|c}512&2\\256&2\\128&2\\64&2\\32&2\\16&2\\8&2\\4&2\\2&2\\1\end{array}\\\\512=2^9=2^{3\cdot3}=(2^3)^3=8^3\\\\\text{Therefore}\ b=\sqrt[3]{512}=\sqrt[3]{8^3}=8\in D$

$\text{Used:}\\\\(a^n)^m=a^{nm}\\\\\sqrt[n]{a^n}=a$

6 0

3 years ago

What is the expected value of the spinner? And is the game fair? Correct answer gets brainiest!

Oksana_A [137]

Answer:

This game is not fair

Step-by-step explanation:

This game is not fair because there is a 25 percent chance of 8 and about 37 percent chance for 24 and 6

7 0

3 years ago

What single decimal multiplier would you use to increase by 5% followed by a 20% increase?

sashaice [31]

Answer:

The single decimal multiplier is 1.26.

Step-by-step explanation:

Multipliers:

For a decrease of a%, we multiply by: $\frac{100-a}{100}$

For a increase of a%, we multiply by: $\frac{100+a}{100}$

For consecutive changes, we multiply the multipliers.

Increase of 5%

Multiply by $\frac{100+5}{100} = \frac{105}{100} = 1.05$

Increase of 20%

Multiply by $\frac{100+20}{100} = \frac{120}{100} = 1.2$

Consecutive:

1.05*1.2 = 1.26

The single decimal multiplier is 1.26.

8 0

3 years ago

Which is the graph of f(x) =

Marrrta [24]

the heart graph is not a function

=======================

-45,-55,-65

=======================

A(30) = -1 + (30 - 1) * 2 = -1 + 29 * 2 = -1 + 58 = 57 <==

======================

the vertical line test

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range is { 1,7,13 }

======================

I am having a problem with the last one....with the points that are listed, it is not a function...because u have 2 x- values that are 4

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3 0

3 years ago