Question 10 of 40

1 answer:

6 0

Elio bought the turkey while it was on sale for $4/pound. We need to know how much they paid, not how much they saved on the sale. The price that the turkey usually costs is not important to answer this question. So the fact that turkey usually costs $5.50 is not needed to solve the problem.

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2x^2+18x+28 factorise

Pavlova-9 [17]

(x+6)(x+3)=2x^2+......

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4 years ago

Eric lives 21 miles away from where he works. After leaving his workplace, he drives at a constant speed of 42 miles per hour fo

Mazyrski [523]

He's driving 42mph. 42m/60h=0.7mpm. 12 minutes x 0.7 mile per minute= 8.4 miles. 21-8.4=12.6 miles left . 12.6 x 0.7= 8.86 minutes left or about nine

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3 years ago

Use the Polygon tool to draw the image of the given quadrilateral under a dilation with a scale

Nataly [62]

Answer: See the picture attached.

Step-by-step explanation:

A Dilation is defined as a transformation in which the image and the pre-image have the same shape, but their sizes are different.

When the scale factor is greater than 1, the image obtained after the dilation is greater than the pre-image and it is an "Enlargement".

When the scale factor is is between 0 and 1, the image obtained after the dilation is smaller than the pre-image and it is an "Reduction".

In this case we know that the scale factor is:

$scale\ factor=\frac{2}{3}$

Since:

$0$

It is a Reduction.

You can identify that the vertices of the quadritaleral are:

$(-3,0),(-9,-3),(-6,-9),(3,-6)$

So you need to multiply the coordinates of eac vertex by $\frac{2}{3}$ in order to get the coordinates of the image.

Then, you get:

$(\frac{(-3)(2)}{3},0*\frac{2}{3})=(-2,0)\\\\(\frac{(-9)(2)}{3}),\frac{(-3)(2)}{3})=(-6,-2)\\\\(\frac{(-6)(2)}{3},\frac{(-9)(2)}{3})=(-4,-6)\\\\(3*\frac{2}{3},\frac{(-6)(2)}{3})=(2,-4)$