3 years ago

Please look at both pictures~ I need two answers

Mathematics

1 answer:

ikadub [295]3 years ago

4 0

A=(b*h)/2

5 times 4 is 20. 20/2 is 10. So each triangle is 10. If there are 42 then 10 times 42 is 420 total. Hopefully I did this one right.

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astraxan [27]

Answer:

$k = 1$

Step-by-step explanation:

Given

$3y = 5x + k$

Opposite points: $(1,-2)$ and $(-2,1)$

Required

Find k

First, calculate the midpoint of the opposite points.

$(x,y) = 0.5(x_1 + x_2,y_1 + y_2)$

This gives:

$(x,y) = 0.5(1 -2,-2 + 1)$

$(x,y) = 0.5(-1,-1)$

Open bracket

$(x,y) = (-0.5,-0.5)$

The equation $3y = 5x + k$ becomes:

$3 * -0.5 = 5 * -0.5 + k$

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Solve for k

$k = 2.5-1.5$

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2 years ago

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choli [55]

Answer:

Yes its a quadrilateral

Step-by-step explanation:

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Part A Complete the stem and leaf plot for this data on the average cruising speeds of Red Eagle's planes.

kykrilka [37]

Answer:

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Step-by-step explanation:

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