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3 years ago

In triangle cdf, k is the centroid and dk = 16 find kh

Mathematics

1 answer:

Gala2k [10]3 years ago

8 0

$|DK|=2|HK|\\\\2|HK|=16\ \ \ |divide\ both\ sides\ by\ 2\\\\\boxed{|HK|=8}$

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Find the area of this trapezoid. Include the correct unit in your answer.

NemiM [27]

Answer:

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

Step-by-step explanation:

we are given a trapezoid

we want to figure out the area

remember that,

$\displaystyle A _{ \text{trapezoid}} = \frac{a + b}{2} h$

where a and b represent the parallel lines and h represents the height

we get from the pic that a and b are 5 and 15 respectively and h is 7

so substitute:

$\displaystyle A _{ \text{trapezoid}} = \frac{5 + 15}{2} \times 7$

simplify addition:

$\displaystyle A _{ \text{trapezoid}} = \frac{20}{2} \times 7$

simplify division:

$\displaystyle A _{ \text{trapezoid}} = 10\times 7$

simplify multiplication:

$\displaystyle A _{ \text{trapezoid}} = 70$

since we multiply two same units we of course have to use square unit

hence,

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

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2 years ago

Simplify the following expression 5(m+1)-1

nevsk [136]

$5(m + 1) - 1 \\ 5m + 5 - 1 \\ 5m + 4$

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2 years ago

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Lunna [17]

Answer: #4 = precipitation

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Step-by-step explanation:

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3 years ago

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A model length of 12cm. Represents an actual length of 102 ft. What is the scale for the model

stealth61 [152]

102 ft = 12 cm1224 in = 12 cm1 in = 0.00980 cm

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3 years ago

The number of students in the class (x) will be divided into teams of 4, except one team will have 5, resulting teams in all. Wr

Ierofanga [76]

Answer:

x = 4y + 5

Step-by-step explanation:

x represents the total students in the class. We don't know how many teams of four there will be, so we represent that with y. 4y represents the total students in teams of 4. We know there is one team of 5, so that is added to 4y.

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3 years ago