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lutik1710 [3]
3 years ago
7

(6x + 7) - (9x + 9) simpilest form pls

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
8 0

Answer:

-3x-2

Step-by-step explanation:

My name is Ann [436]3 years ago
7 0

Answer:

-3x+16

Step-by-step explanation:

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What is the length of the radius, r? 6 cm 18 cm 36 cm 72 cm.
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The length of the radius of circle o is 18 cm.

<h2></h2><h2>Given that</h2>

Circle o has a circumference of 36π cm.

<h3>We have to determine</h3>

What is the length of the radius, r?

<h3>According to the question</h3>

Circle o has a circumference of 36π cm.

The length of the radius of the circle is determined by the following formula;

\rm Circumference = 2\pi r

Substitute all the values in the formula;

\rm Circumference = 2\pi r\\&#10;\\&#10;36\pi =2\pi r\\&#10;\\&#10;r = \dfrac{36\pi }{2\pi }\\&#10;\\&#10;r = 18 \ cm

Hence, the length of the radius of circle o is 18 cm.

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7 0
3 years ago
Sam has $400 in his bank account and plans to save $25 per week. Zoe has $250 in her bank account and plans to save $75 per week
elena-14-01-66 [18.8K]

Say x is the number of weeks until their money is equal. Then, we can set up an equation.

400 + 25x = 250 + 75x

Subtract 250 from both sides

150 + 25x = 75x

Subtract 25x from both sides

150 = 50x

Divide by 50 on both sides

3 = x

That means the answer is 3 weeks.

5 0
3 years ago
Which unit do measure would be appropriate for the area of a soccer field that is 105 meters long and 67 meters wide
SVETLANKA909090 [29]

The unit of measurement appropriate for this would be meters^2

3 0
3 years ago
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This triangle has one side that lies on an extended line segment.
monitta

Answer:

65°

Step-by-step explanation:

x = 180 - 44 - (180-109) = 109 - 44 = 65°

7 0
3 years ago
Joan weighs 10 pounds less than her older sister. The average of the two sisters’ weights is 85 pounds. How much does Joan’s old
Oksi-84 [34.3K]

Answer:

Joan's older sister weighs 90 pounds

Step-by-step explanation:

x = older sister

x - 10 = Joan

(x + (x-10))/2 = 85

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2x = 180

x = 90

7 0
3 years ago
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