3 years ago

What do physical changes do?

Mathematics

2 answers:

Mariana [72]3 years ago

8 0

Answer:

Affect the size, shape, or phase of a substance.

Step-by-step explanation:

frutty [35]3 years ago

3 0

Affect the size, shape, or phase of a substance.

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How to simplify x-5x

hram777 [196]

Answer:

- 4x

Step-by-step explanation:

$x - 5x = - 4x$

3 0

2 years ago

The number of oranges a grocery store bought this year was 15% more than the number of oranges bought last year. This year the s

snow_tiger [21]

Answer:

The original number of oranges purchased is 260

Step-by-step explanation:

Let the original number of oranges purchased be x

We are given that The number of oranges a grocery store bought this year was 15% more than the number of oranges bought last year.

So, Oranges bought this year = $x+15\%x=x+\frac{15}{100}x=1.15x$

We are given that This year the store bought 299 oranges.

So, $1.15 x= 299$

$x=\frac{299}{1.15}$

x=260

Hence the original number of oranges purchased is 260

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2 years ago

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Komok [63]

Answer:

yes

Step-by-step explanation:

7 0

2 years ago

Help me please! thank u alot

8090 [49]

Answer:

a. 5.8+5+7.8+4.5=23.1 units (perimeter)

b. 11.55 units, half

Step-by-step explanation:

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3 0

2 years ago

Subtract 9x^2+7x-2 from 8x-10.

3241004551 [841]

Answer:

$9x^{2} -x + 8$

Step-by-step explanation:

$9x^{2} + 7x -2 -(8x -10)$

$=9x^{2} + 7x -2 -8x +10$

7x -8x = -x

-2 + 10 = 8

= $9x^{2} -x + 8$

Hope this helps ^-^

7 0

2 years ago