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Misha Larkins [42]
3 years ago
14

Yo plz help me with this!! worth 20 points

Mathematics
1 answer:
Marizza181 [45]3 years ago
7 0

Answer:

We need the answer choices!!!

Step-by-step explanation:

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One group, which contains 28 dogs, averages 20.5 inches. Another group that contains 19 dogs, averages 32.1 inches.
gtnhenbr [62]

Answer:

The average height of poodles in your kennel is 25.19 inches.

Step-by-step explanation:

This is a weighed average problem.

To find the weighed average, we sum each value of the set multiplied by it's weight, and then we divide by the sum of the weights.

In this problem, we have that:

Average 20.5 inches has weight 28.

Average 32.1 inches has weight 19.

What is the average height of poodles in your kennel?

A = \frac{32.1*19 + 20.5*28}{19+28} = \frac{1183.9}{47} = 25.19

The average height of poodles in your kennel is 25.19 inches.

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4 years ago
Graph <br> f(x) = (x - 1) (x + 4)?
klemol [59]

Answer:

graph

Step-by-step explanation:

graph shown

intersected large curve

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3 years ago
Please help with this
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3 years ago
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2 years ago
Find the area of the shaded portion the one who answer first will get brainliest
slega [8]

Answer:

≈ 77 cm²

Step-by-step explanation:

The area of the shaded portion is calculated as

area of outer sector - area of inner sector

= (πR² - π r²) × \frac{60}{360} ( R is the outer radius, r is the inner radius )

= (π × 14² - π × 7² ) × \frac{1}{6}

= (196π - 49π ) ÷ 6

= 147π ÷ 6

≈ 77 cm² ( nearest whole number )

5 0
3 years ago
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