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2 years ago

8

A triangle has an area of 357 square inches. The height of the triangle is 23.8 inches. What is the length of the base of the tr

iangle

1 answer:

Nitella [24]2 years ago

3 0

You lay out the triangle formula for area which would be A=(1/2)(b)(h)
plug in for variables
375=(1/2)(23.8)(b)
solve for b

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You can change 24.5% by moving the decimal point
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2 years ago

Given two terms in artimetic sequence find the common difference, the 52 term, and the explicit formula. A15=139 and A30=259

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139, 149, 159, 169, 179, 189, 199, 209, 219, 229, 239, 249, 259.

The common difference is 13.

Let n = 52

Let d = common difference

a_52 = 139 + (52 - 1)(13)

a_52 = 139 + (51)(13)

a_52 = 139 + 663

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3 years ago

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Fiesta28 [93]

Answer & Step-by-step explanation:

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$Circumference=(8)\pi$

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So, the circumference of the circle is 25.12 m.

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3 years ago

63 first-year teachers and 27 experienced teachers attended a school staff meeting. What percentage of the teachers in the meeti

nexus9112 [7]

Answer: 70%

Step-by-step explanation:

Step 1:

Total number of teachers = 63 + 27

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Step 2:

The percentage of the teachers in the meeting were first-year teachers:

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2 years ago

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Step-by-step explanation:

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