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postnew [5]
2 years ago
13

Lauren says the two expressions 3x+4(2x+5) and 6x +5x+5 are equivalent

Mathematics
1 answer:
Allisa [31]2 years ago
8 0

Answer:

so, lauren isn't correct

Step-by-step explanation:

3x + 4 (2x + 5) = 6x + 5x + 5

3x + 8x + 20 = 11x + 5

11x + 20 ≠ 11x + 5

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Find the GCF 0f 12 and 18
melisa1 [442]

Answer:

  6

Step-by-step explanation:

Using Euclid's algorithm, we divide the larger by the smaller. If the remainder is zero, the divisor is the GCF. Otherwise, we replace the larger with the remainder and repeat.

  18 ÷ 12 = 1 r 6

  12 ÷ 6 = 2 r 0 . . . . the GCF is 6

__

You can also factor the numbers and see what the common factors are.

  18 = 2·3·3

  12 = 2·2·3

The common factors are 2·3 = 6.

In the factorizations, we see 2 to powers of 1 and 2, and we see 3 to powers of 1 and 2. The GCF is the product of the common factors to their lowest powers: (2^1)(3^1) = (2)(3) = 6

8 0
2 years ago
Pls answer with real answers only thank you
aev [14]
Answer: 32.35 cm^2

Step by step:

Find the area of the rectangle first.

A= L • W
A= 11 • 4.2
A= 46.2 cm^2

Then find the area of the circle. The formula is A= pi (r)^2. The diameter of the circle is 4.2 cm because looking at the width of the rectangle it fits into the circle as well.

Half of the diameter is 2.1 cm which is the radius.

A= pi (r)^2
A= pi (2.1)^2
A= pi (4.41)
A= 13.85 cm^2

Then you would subtract 13.85 from 46.2 to find the shaded portion.

Hope this helps :))

4 0
2 years ago
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Bond [772]

Answer:

it is 5

Step-by-step explanation:i nailed agelbra and i got a 100% percent on the tesy

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3 years ago
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Step-by-step explanation:

I need help too

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2 years ago
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