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3 years ago

Can someone help me with this question

Mathematics

1 answer:

OLga [1]3 years ago

3 0

Answer:

I believe it is because it does not start at 0

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Celine is estimating the number of tiles in a mosaic. There are 7 different colors, and 472 tiles of each color. There are also

ValentinkaMS [17]

Answer:

3,400 tiles

Step-by-step explanation:

Since there is 472 tiles of each 7 colors,

Multiply 472 by 7 to get 3,304

Then you would add the 96 blank tiles to get exactly

3.400 tiles.

8 0

3 years ago

The projected T. rex is about

dolphi86 [110]

Answer: $scale\ factor=230$

Step-by-step explanation:

You need to analize all the information given in the exercise.

You know that the actual height of the T-rex on the projector lens is the following:

$actual\ height=2\ cm$

The height of the projected T-rex is:

$projected\ height=4.6\ m$

Make the conversion from meters to centimeters:

$projected\ heigth=(4.6\ m)(\frac{100\ cm}{1\ m})\\\\projected\ heigth= 460\ cm$

Therefore, the scale factor will be:

$scale\ factor=\frac{projected\ heigth}{actual\ heigth}$

Finally, you must substitute values into the equation and then you must evaluate in order to find the scale factor of the projection. You get that this is:

$scale\ factor=\frac{460\ cm}{2\ cm}\\\\scale\ factor=230$

7 0

3 years ago

The sum of −7 times a number and 8 times the sum of the number and 1 is the same as the number minus 7.

Novay_Z [31]

Answer:

n has no value.

There is no solution to this equation

Step-by-step explanation:

let n be the number

In pieces:

sum of the number and 1: (n + 1)

8 times the sum: 8(n + 1)

-7 times a number: -7n

sum of -7 times and...: -7n + 8(n + 1)

number minus 7: n - 7

the same as: =

All together:

-7n + 8(n + 1) = n - 7

-7n + 8(n+1)=n-7

-7n + 8n+8=n-7

0=-15

3 0

2 years ago

Mark is organizing a trip to the movies for his family. He has $30 to spend. Adult tickets cost $5 each and children's tickets c

Alisiya [41]

Answer:

5y+3y=30

Step-by-step explanation:

7 0

3 years ago

Find the equation of the parabola for these three points

bija089 [108]

Have you tried using a calculator

8 0

3 years ago

Can someone help me with this question ​

Can someone help me with this question