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eduard
3 years ago
10

Which expression is equivalent to 5(2+7)

Mathematics
1 answer:
xeze [42]3 years ago
4 0

Answer:

Step-by-step explanation:

5(2+7)        5 x 9 =45

5 x(2+7)

5 x(9)

5 x 9

= 45

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What is the distance between (–2 and one-half, –3) and (1, –3)?
Elina [12.6K]

Answer:

3 and 1/2 units

Step-by-step explanation:

Square root of (1 - -2 and 1/2)^2 + (-3 - -3)^2

Square root of 3 and 1/2^2 + 0^2

Square root of 12.25 = 3.5

3 0
3 years ago
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ivann1987 [24]

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3 years ago
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HELP!!! ASAP!!! You expand a rectangular garden so the perimeter is now twice the perimeter of the old garden. The expression 12
Soloha48 [4]

Answer:

a) Perimeter of old garden=6w+8

b) A = 2W^2+4W

Step-by-step explanation:

old Area = length * width

= L * W

the old perimeter = half of the new one, so it is 6w+8

the old perimeter has to equal 2L + 2W

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so

A=(2W+4)(W)

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5 0
3 years ago
What is the sum of the first five terms of a geometric series with a1 = 20 and r = 1/4?
SVETLANKA909090 [29]
For the answer to the question above,
The first term is 20 
<span>The second term is 20* 1/4 = 5 </span>
<span>The third term is 5 * 1/4 = 5/4 </span>
<span>The 4th term is 5/4 * 1/4 = 5/16 </span>
<span>The 5th term is 5/16 * 1/4 = 5/64 </span>

<span>Sum is therefore 20 + 5 + 5/4 + 5/16 + 5/64 </span>
To complete my answer,
<span>= (1280 + 320 + 80 + 20 + 5) / 64 </span>
<span>= 1705/64
</span>
I hope my answer helped you. Have a nice day!
7 0
4 years ago
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Triss [41]

Answer:

1,645.92 centimeters

Step-by-step explanation:

6 0
3 years ago
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