3 years ago

Which one is the correct answer?

Mathematics

1 answer:

Molodets [167]3 years ago

5 0

The answer selected is the correct answer because all of the other ones are equivalent to each other.

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What is the new price when $60 is increased by 20% then decreased by 20%?

Vanyuwa [196]

$60 + (60 · 0.20) = 60 + 12 = 72

$72 - (72 · 0.20) = 72 - 14.4 = 57.6

Answer: $57.60

4 0

3 years ago

What is the number of terms in this geometric series?<br> 1+2+4...+128

Stella [2.4K]

The answer is : a^2=1 x 2^n-1

To check if it’s correct

a^2= 1 x 2^2-1

a^2 = 1x 2
a^2 = 2

Hope this helps!

5 0

3 years ago

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Tpy6a [65]

Answer:

Step-by-step explanation:

its a rational number because it isn't 0 and the others are incorrect i think

7 0

3 years ago

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kenny6666 [7]

Answer:

B I think

Step-by-step explanation:

7 0

3 years ago

(-4,5) and (4,0) find the distance between each pair of points

aleksklad [387]

Answer:

9.4339 units

Step-by-step explanation:

Here we are given with two coordinates and asked to determine the distance between them.

Here we are going to use the distance formula, which is given as under

$D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}$

Where

$(x_1,y_1) = (-4,5)$

$(x_2,y_2) = (4,0)$

Replacing these values in the distance formula

$D =\sqrt{(-4-4))^2+(5-0)^2}$

$D =\sqrt{(-8)^2+(5)^2}$

$D =\sqrt{64+25}$

$D =\sqrt{89}$

$D= 9.4339$

Hence the distance is 9.4339 units

6 0

3 years ago