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olganol [36]
3 years ago
7

A gift box measures 4.5 cm wide, 2.5 cm deep and 7 cm high. The gift has a volume of 50 cm cubed. After the gift has been packed

in the box, how much space has NOT been used?
Mathematics
1 answer:
mina [271]3 years ago
8 0

Answer:

28.75 cm^3 of space not used

Step-by-step explanation:

The volume of the box is

V = 4.5* 2.5 * 7 =78.75 cm^3

The gift takes up 50 cm^3

Subtract

78.75-50 = 28.75 cm^3

There is 28.75 cm^3 of space not used

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Ion
erik [133]

Answer: It is being dilated by a scale factor of 1/3.

Step-by-step explanation:

The pre-image has the coordinates (0,0) (6,0) (6,-3) and (0,-3) and a transformation has been applied to it to get the coordinates of the image to be (0,0) (2,0) (2,-1) ( 0,-1)

Looking at the coordinates we can see that to get from 6 to 2 you will have to multiply by  1/3 and to  get from -3 to -1 you will have to multiply by 1/3.

This means that pre-image was dilated  by a scale factor of 1/3.

8 0
4 years ago
Mr. Jackson divided £420 between his children in the ratio of their ages, Mitch is 4 and Jo is 3
3241004551 [841]

Answer:

Mitch=60*4=240

Jo=60*3=180

Step-by-step explanation:

420/7=60

4 0
3 years ago
Why is it important that the term “locked” is used when making the following statement? You can use a locked compass setting and
Lemur [1.5K]

You use a compass to draw an arc (or a full circle). The radius must be kept the same so that you can copy the length of the segment properly. If the compass could move freely, then it is unlikely the arc will be a piece of a circle, and rather some squiggly curve. So this is why the compass width must be locked into place.

7 0
3 years ago
Please please please help me
Leviafan [203]
The correct answer is 17 what i did was plug in 17 where ever you see x so x2 would be 17x2 an then plus the 5 gives u 39 3x 17x3=51 51+10=61 now add the totals 61 plus 39 gives u 100
8 0
3 years ago
Read 2 more answers
Find the x- and y-intercepts of 3x + 6y = 18
djyliett [7]
In order to find the x and y intercepts of an equation, you can plug in 0 for the opposite variable. Let us solve for the intercepts now.

<span>x-intercept

</span>We are going to plug in 0 for y and the solve for x:

3x+6y=18
3x+6(0)=18
3x=18
x=6

So now we know the x-intercept of the line is: (6, 0)
<span>
y-intercept</span>

We are going to plug in 0 for x and solve for y:

3x+6y=18
3(0)+6y=18
6y=18
y=3

So now we know that the y-intercept for the line is: (0, 3)
3 0
4 years ago
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