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frosja888 [35]
3 years ago
8

Evaluate 2r(t + 7) if r = 4 and t = 2.

Mathematics
1 answer:
Serhud [2]3 years ago
6 0
The answer is 72 all u need to do plug in the numbers where the letters are
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Add −1.25+2.5<br><br> Plot the first addend and the sum on the number.<br> Please tell the explain
Assoli18 [71]
If signs are different you subtract. So 2.5- -1.25 equals 1.25 and keep the sign of the biggest number
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2 years ago
Find the percent of change. Original: 80, new: 64
lara31 [8.8K]
Hi there!

To find the percent of change we can use the following formula:
\frac{new - old}{old} \times 100\%

Let's fill in our data
\frac{64 - 80}{80} \times 100\% =

Subtract
\frac{ - 16}{80} \times 100\% =

Divide
- 0.2 \times 100\%

And finally multiply
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Hence, the percent of change is negative 20%.
~ Hope this helps you!
3 0
2 years ago
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Dimas [21]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
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nikdorinn [45]

Answer:

150°

Step-by-step explanation:

number of terms=12

sum of exterior angles=360

one exterior angle=360/12=30

interior angle=180-30=150°

5 0
3 years ago
Louis plans to buy a new washing machine. The washing machine costs $560 and has an estimated annual operating cost of $48. Whic
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The answer is D

Step-by-step explanation:

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