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3 years ago

The price of a 6-minute phone call is 1.80. What is the price of a 12-minute phone call?

Mathematics

2 answers:

Alina [70]3 years ago

7 0

Answer:

21.6 is the price.

Step-by-step explanation:

1.80×12

hoa [83]3 years ago

4 0

Answer:

3.60

Step-by-step explanation:

1.80 x 2

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Compare 643,251; 633,512; and 633,893

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The answer is 643,251 ≤633,512 ≤633,893 that's the right answer because i had it for homework before and i got it right don't forget to make it your best answer

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Then the lest multiple of 6 and 8 are 5 and 7 duh

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3 years ago

H and J are both between G and K such that GH = JK and H is between G and J.

DIA [1.3K]

Answer:

Step-by-step explanation:

So the order of the points is: GHJK

GH = x+10 =JK

HJ=8

JK=2x-4

JK = x+10=2x-4

x+10=2x-4

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3 years ago

Is the square root of 225 a rational number?

MArishka [77]

Step-by-step explanation:

$\text{The principal square root}:\\\\\sqrt{a}=b\iff a^2=b\ \text{for}\ a\geq0\ \text{and}\ b\geq0.\\\\\text{The square root:}\\\\\sqrt{a}=b\iff b^2=a\ \text{for}\ a\geq0\\===================$

$\text{If you want the principal square root (arithmetic square root):}\\\\\sqrt{225}=15\ \text{because}\ 15^2=225\\\\\text{If you want square root (algebraic square root):}\\\\\sqrt{225}=\pm15\ \text{because}\ (-15)^2=225\ \text{and}\ 15^2=225$

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Evaluate the numerical expression8×{[(7+4)×2]-[(11-7)×4]}

alina1380 [7]

Answer:

We have:

7 + 4 = 11;

11 - 7 = 4;

11 x 2 = 22;

4 x 4 = 16;

22 - 16 = 6;

Finally, 8 x 6 = 48;

Step-by-step explanation:

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