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fiasKO [112]
3 years ago
10

If granola costs $ 2.20 per pound, how much does 0.8 pound of granola cost?

Mathematics
1 answer:
Elena L [17]3 years ago
5 0
1.76 is the right answer
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Alec is doing a test of 50 questions. He gets 2 marks for every question that is correct, but loses 1 mark for every question th
slega [8]

Alec got 33 and a half questions correctly because he got one mark on the 34th Question

Step-by-step explanation:

50×2=100

100-67=33 and a half

4 0
3 years ago
If two angles are supplementary to the same angles, then
Olin [163]
<span>If two angles are supplementary to the same angles, then "Their sum would be equal to 180 degrees"

Hope this helps!</span>
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3 years ago
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What is the solution to the equation?
kow [346]

4x + 6 = 18

-6 is solution ?

4 * (-6) + 6 = 18 ?

-24 + 6 = - 18

so not the solution

3 is solution ?

4 * 3 + 6 = 18 ?

4 * 3 + 6 = 12 + 6 = 18

YES

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2 years ago
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An airline allows passengers 36 kilograms of luggage . Carl has to lower the weight of his bag by 25% to stay within the limit .
Vsevolod [243]
The suit case originally weights 48 kg
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4 0
3 years ago
Please help The dilation DO,2.5 is applied to triangle ABC below. Use the dilation of triangle ABC and its image to prove that t
viva [34]
A dilation D_{O,\,k} is a dilation with a scale factor, k centered at the origin.

A scale factor, k means that the distance of the image from the the center of dilation is k times the distance of the pre-image from the center of dilation and the size of the image is k times the size of the pre-image.

Given triangle ABC with vertices A(-2, 2), B(1, 2) and C(1, -1), a dilation D_{O,\,k} will result in the image with vertices A'2.5(-2, 2) = A'(-5, 5), B'2.5(1, 2) = B'(2.5, 5) and C'2.5(1, -1) = C'(2.5, -2.5)

Now, consider line AC, the equation of the line is given by

\frac{y-2}{x-(-2)} = \frac{-1-2}{1-(-2)} \\ \\ \Rightarrow \frac{y-2}{x+2} = \frac{-3}{1+2} = \frac{-3}{3} =-1 \\ \\ \Rightarrow y-2=-(x+2)=-x-2 \\ \\ \Rightarrow y=-x

Notice that line y = -x is a line passing through the origin which is the center of dilation.

Consider line A'C', the equation of the line is given by

\frac{y-5}{x-(-5)} = \frac{-2.5-5}{2.5-(-5)} \\ \\ \frac{y-5}{x+5} = \frac{-7.5}{2.5+5} = \frac{-7.5}{7.5} =-1 \\ \\ \Rightarrow y-5=-(x+5)=-x-5 \\ \\ \Rightarrow y=-x

As an be seen the line AC and the line A'C' is the same line.
4 0
3 years ago
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