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4 years ago

Help me. Easy math.............

Mathematics

2 answers:

denis-greek [22]4 years ago

8 0

ABC is an equivalent triangle, all sides are equal

So AB = BC = AC

Plug in any two sides to find x

4x - 10 = 3x + 2

x = 12

Answer

x = 12

Ann [662]4 years ago

3 0

Answer:

x is 12

Hope this helps :)

Step-by-step explanation:

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Option 4 is the answer.

50+30

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Which models show 40%? Check all that apply. A model with 4 shaded sections and 6 unshaded sections. A model with 40 shaded sect

Amanda [17]

Answer:

A model with 4 shaded sections and 6 unshaded sections.

A model with 40 shaded sections and 60 unshaded sections.

Step-by-step explanation:

Required:

Which models shows 40%

(a) 4 shaded and 6 unshaded

First, we calculate the total sections

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$Total = 10$

The percentage of the shaded section is:

$Shaded = \frac{4}{10} * 100\%$

$Shaded = 0.4 * 100\%$

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(b) 40 shaded and 60 unshaded

First, we calculate the total sections

$Total = 40 + 60$

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$Shaded = \frac{40}{100} * 100\%$

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$Shaded = 40\%$

(c) 2 shaded and 8 unshaded

First, we calculate the total sections

$Total = 2 + 8$

$Total = 10$

The percentage of the shaded section is:

$Shaded = \frac{2}{10} * 100\%$

$Shaded = 0.2 * 100\%$

$Shaded = 20\%$

<em>Hence, (a) and (b) shows 40%</em>

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4 years ago

What is the gcf of 45, 90, and 75

bija089 [108]

$Greatest\ common\ factor\ is\ the\ highest\ number\ by\ witch\ 45\ and\ 90\\and\ 75\ can\ be\ divided\\\\
45:3\\
15:3\\5:5\\\\
90:2\\
45:3\\15:3\\5:5\\\\75:3\\25:5\\5:5\\\\\\GCF=3*5=15\\\\Greatest\ common\ factor\ of\ 45\ and\ 90\ and\ 75\ is\ equal\ to\ 15.
$

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3 years ago