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Ksivusya [100]
3 years ago
12

Simplify by combining like terms. -3r - 2r - 6 - 1 - 7r+ 9r

Mathematics
1 answer:
zysi [14]3 years ago
4 0

Answer:−3r−7

Step-by-step explanation:

I got it of the web.

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A rectangle has an area of 102cm². The length of the rectangle is 17cm. What is the perimeter of the rectangle?
enyata [817]

<u>Solution:</u>

Area of the rectangle = 102cm²

Length of the rectangle = 17cm

∴ Breadth of the rectangle = Area/length

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= 102cm²/17cm

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= 6cm

<u>To Find the Perimeter :</u>

Length of the rectangle = 17cm

Breadth of the rectangle = 6cm

∴ Perimeter of the rectangle = 2( l × b)cm

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ = 2( 17 × 6)cm

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ = 2 × 102 cm

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ = 204 cm

<h3>Hope it helps you :)</h3>
3 0
3 years ago
Daniel is currently 26 years older than his son. In sic years he will be tree times older than his son. How old are both of them
Vlad1618 [11]

well, 26+6 is 32, so divide that by 3 and you'd get 10.67, making daniel 32 by that time and his son being 10 years old

its simple math really, also, i hope this helps you ^-^

4 0
3 years ago
Read 2 more answers
Henrieta drove 250 miles in 4 hours. How much miles did she drive in 10 minutes?​
Alexus [3.1K]

Answer:

625 miles

Step-by-step explanation:

250/4=62.5

62.5*10 = 625

3 0
3 years ago
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Using an applet, we found that the theory-based test results in a t-statistic of -7.25 and p-value less than 0.0001. State your
11111nata11111 [884]

Answer:

b. We have very strong evidence that the long-run average guess of the population size of Milwaukee, Wisconsin is smaller with the anchor of Green Bay than with the anchor of Chicago.

Step-by-step explanation:

Smaller p-value indicates a strong evidence in favor of the alternative hypothesis which means we can reject the null hypothesis. In the given scenario the p-value is 0.0001 which is very small. There is sufficient evidence for the rejection of null hypothesis.

7 0
3 years ago
A fair spinner has 9 equal sections: 3 red, 2 blue and 4 green. It is spun twice. What is the probability of not getting two con
RUDIKE [14]

Answer:

8/9

Step-by-step explanation:

8 0
4 years ago
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