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Andreyy89
2 years ago
15

Choose the correct simplification of the expression c2 ⋅ c9.

Mathematics
2 answers:
Svet_ta [14]2 years ago
4 0

Answer:

c^2 \cdot c^9=c^{11}

Step-by-step explanation:

Simplify c^2 \cdot c^9

To simplify exponents we use property of exponents

a^m \cdot a^n =a^{m+n}

when the exponents have same base and the exponents are in multiplication then we add the exponents.

c^2 \cdot c^9 =c^{2+9}=c^{11}

c^2 \cdot c^9=c^{11}

sergejj [24]2 years ago
3 0
<span>c^2 ⋅ c^9
= c^11

------------------------------</span>
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When measuring the length a and the width b of a rectangle, it was found that 5.4&lt; a&lt; 5.5 and 3.6&lt; b&lt; 3.7 (in centim
leva [86]

Answer:

The possible values of the perimeter of the rectangle is between 18 and

18.4 cm ⇒ [18 < perimeter of rectangle < 18.4] cm

Step-by-step explanation:

* Lets explain how to solve the problem

- The perimeter of any quadrilateral is the sum of the length of its

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- The rectangle is a quadrilateral with each two opposite sides are

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∵ The the length of the rectangle is a

∵ 5.4 < a < 5.5 cm

∵ The perimeter of the rectangle = 2a + 2b

- Lets multiply the inequality by 2

∴ 5.4 × 2 < a × 2 < 5.5 × 2

∴ 10.8 < 2a < 11 ⇒ (1)

∵ The width of the rectangle is b

∵ 3.6 < b < 3.7 cm

- Lets multiply the inequality by 2

∴ 3.6 × 2 < b × 2 < 3.7 × 2

∴ 7.2 < 2b < 7.4 ⇒ (2)

- <u><em>Add inequalities (1) and (2)</em></u>

∵     10.8 < 2a < 11

  +   7.2 < 2b < 7.4

∴  18 < 2a + 2b < 18.4

∵ 2a + 2b represents the perimeter of the rectangle

∴ The possible values of the perimeter of the rectangle is between

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7 0
3 years ago
Rally sold 30 flower baskets at a market. She purchased 30 baskets for $142.65, 185 yards of ribbon for $.07 per yard, and $252.
rosijanka [135]

Answer:

She spent 142.65 for baskets, 252.50 for flowers and 185 * 0.07 or 12.95 for ribbons for a total outlay of 408.10. Since she made 30 baskets, that is 408.10/30 = 13.60 1/3 per basket.

If she sold all 30 for 25.99 each, that is 779.70 for a profit of 361.60

Step-by-step explanation:

:)

7 0
3 years ago
Name the parts of the expression then, write it in expanded form. a. 14b b.30jk
Makovka662 [10]

Answer:

a. 14 is a coefficient, and b is a variable.

This can be expanded to 14*b

b. 30 is a coefficient, and j and k are variables.

This can be expanded to 30*j*k

3 0
2 years ago
Please help with i am all ready late to turn it in
nekit [7.7K]

Answer:

1.-113

2.62

Step-by-step explanation:

1.-9^2+3(-9)-5

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2.5(7-(-9))+2(-9)

5*16-18

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62

4 0
2 years ago
At an animal park 2/5 of the animals are felines, and 1/4 of the animals are reptiles. The rest of the animals are aquatic. What
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Answer:

Felines: 40%

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(How you do this)

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3 0
2 years ago
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