3 years ago

What is the total volume of the solid?

Mathematics

1 answer:

matrenka [14]3 years ago

3 0

Answer:3028

Step-by-step explanation:

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A concave octagon<br> B convex quadrilateral <br> C concave quadrilateral <br> D convex octagon

balu736 [363]

Answer: concave

Step-by-step explanation:

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3 years ago

The coordinates of the endpoint of QS are Q(-9,8) and S(9,-4). Point R is on cue as such that QR:RS Is in the ratio 1:2. What ar

marishachu [46]

R(–3, 4)

Step-by-step explanation:

Let Q(-9,8) and S(9,-4) be the given points and let R(x, y) divides QS in the ratio 1:2.

By section formula,

$R(x, y)=R\left(\frac{m x_{2}+n x_{1}}{m+n}, \frac{m y_{2}+n y_{1}}{m+n}\right)$

Here, $x_{1}=-9, y_{1}=8, \text { and } x_{2}=9, y_{2}=-4 \text { and } m=1, n=2$

Substituting this in the section formula

$R(x, y)=R\left(\frac{1(9)+2(-9)}{1+2}, \frac{1(-4)+2(8)}{1+2}\right)$

To simplifying the expression, we get

$\Rightarrow R(x, y)=R\left(\frac{9-18}{3}, \frac{-4+16}{3}\right)$

$\Rightarrow R(x, y)=R\left(\frac{-9}{3}, \frac{12}{3}\right)$

⇒ R(x,y) = R(–3,4)

Hence, the coordinates of point R is (–3, 4).

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3 years ago

In a random survey of 300 people about the kind of apples they preferred, 178 said they preferred red apples. Based on these res

aliya0001 [1]

Answer:

2670

Step-by-step explanation:

4500/300 = 15

178*15=2670

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What is an expression that equals 24 that includes an exponent

statuscvo [17]

5∧2(exponent of 2) - 1 =24

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3 years ago