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natta225 [31]
3 years ago
5

Please help. Algebra.

Mathematics
2 answers:
Marysya12 [62]3 years ago
8 0

Answer:

?=3

Step-by-step explanation:

Okay so with exponents, when multiplying exponents with the same base, you add them.

In your case, we have a^? * a^4=a^7 (this is the only part you need to solve)

so ?+4=7

?=7-4=3

Have a nice day!

Katarina [22]3 years ago
4 0

Answer:

"?" = 3

Step-by-step explanation:

The answer can be gotten by subtracting 4 from 7. The 4 is the exponent in (4a^4b), and the 7 is the exponent in 16a^7b. So:

7 - 4 = 3

Therefore, the "?" = 3

Hope this helps :)

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Answer:

  x = 30°

Step-by-step explanation:

The arcsin (inverse sine) function can be used. Be sure to set your calculator to degrees mode.

  sin(x) = 1/2

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Chris received $50,000 from his grandparents as a graduation gift. So, he has decided to invest the money
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Answer: $7142.86

Step-by-step explanation:

Let the amount to be invested in the bond be represented by y.

Based on this, the amount to be invested in the CD will be: = 50000 - y.

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= 12% × y = 0.12 × y = 0.12y

Also, interest on CD will be:

= 5% × (50000 - y)

= 0.05(50000 - y)

Then, the equation to get the amount to be invested in bond will be:

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A phone plan costs $10 per Month, +.03 per text message. John wants his phone bill to be less than $40, before taxes. What is th
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Answer:

The maximum number of text message John can send is 100

Step-by-step explanation:

Given as :

The phone bill of the John = $ 10 per month + $ 0.3 per text message

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Let The maximum number of text message John can send = n

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I.e n = 100

So,  The maximum number of text message John can send = n = 100

Hence The maximum number of text message John can send is 100 Answer

5 0
3 years ago
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