2 years ago

What are the measures of the marked angles?

Mathematics

1 answer:

scoundrel [369]2 years ago

7 0

18 degrees

Step-by-step explanation:

We know,

3x - 8 = 2x + 10

(Vertically Opposite Angles are equal)

or, 3x - 2x = 10 + 8

or, x = 18

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Bo bought a few items for $93.84, not including tax. If the tax rate was 7%, what was the total cost of these items, including t

notsponge [240]

Answer:

Total cost is $100.41 ( $93.84 + $6.57)

Step-by-step explanation:

Thinking Point: The total cost is the cost of the items PLUS the tax. 93.84 ∙ 0.07 = 6.5688 (round to “cents”) = $6.57

Hope this helped!

4 0

2 years ago

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If the ratio of boys to girls at the school is 2:5 and there are 40 boys how many girls are there?

sukhopar [10]

Answer:

100 girls

Step-by-step explanation:

The ratio of boys : girls is 2 : 5.

In other words, boys are 2 parts of the school while girls are 5 parts of the school.

Since there are 40 boys, 2 parts of the school is 40. Thus:

$2p = 40\\p = 20$

1 part is 20.

Since there are 5 parts girls, there are

$5p = 5*20 = 100$

100 girls.

Answer: 100 girls

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3 years ago

How many one-to-one correspondences are there between two sets with 5 elements each?

Fittoniya [83]

1st element can be matched with 5
2nd element can be matched with 4
3rd element can be matched with 3
etc.
Total number of correspondences = 5*4*3*2*1 = 120

7 0

3 years ago

Does anyone know this?

Marina CMI [18]

1.37x10^9 is the correct answer:)

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2 years ago

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What is 62.8 divided by 4

Rom4ik [11]

Answer:

15.7

Step-by-step explanation:

use a calculator lol

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3 years ago

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