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Rom4ik [11]
2 years ago
10

r cell phone company started a rewards club. For every three texts sent, you get 15 points. You need 1800 points for a prize. Ho

w many texts do you need to send to get that prize?
Mathematics
1 answer:
Luda [366]2 years ago
3 0

You would need to send 360 texts

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Which of these needs the denominator rationalized? -PLEASE HELP
valentinak56 [21]

Answer:

option b

Step-by-step explanation:

\sqrt{ \frac{5}{3} }

\frac{ \sqrt{5} }{ \sqrt{3} }

the denominator is in the surd form, so it must be rationalized

4 0
3 years ago
Pls help due in 10 minutes!!!
Luden [163]

Answer:

\sf 500,000,000,000=5 \times 10^{11}

\sf 0.00000000005=5 \times 10^{-11}

Step-by-step explanation:

<u>Scientific notation</u>

\large\boxed{a \times 10^n}  

where:

  • 1\leq a < 10
  • n is any positive or negative <u>whole number</u>.

To convert a number into scientific notation, <u>move</u> the decimal point to the <u>left or right</u> until there is <u>one digit</u> to the left of the decimal point.

The number of times you have moved the decimal point is n.

  • If the decimal point has moved to the <u>left</u>, n is positive.
  • If the decimal point has moved to the <u>right</u>, n is negative.

To convert 500,000,000,000 into scientific notation, move the decimal point <u>11 places to left</u>, so a = 5.  As we have moved the decimal point 11 places to the left, the exponent "n" is 11 and is <u>positive</u>.

\implies \sf 500,000,000,000=5 \times 10^{11}

To convert 0.00000000005 into scientific notation, move the decimal point <u>11 places to the right</u>, so a = 5.  As we have moved the decimal point 11 places to the right , the exponent "n" is 11 and is <u>negative</u>.

\implies \sf 0.00000000005=5 \times 10^{-11}

Learn more about scientific notation here:

brainly.com/question/28235385

8 0
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The decimal equivalent of 1/4 is 0.25.
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440- 2x= 244 // simplify the equation given
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6/1 x (4/5 + 2/10) 2/3
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The result can be shown in both exact and decimal forms.

Exact Form:

2

3

Decimal Form:

0.

¯

6

5 0
3 years ago
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