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muminat
3 years ago
7

(20 POINTS) PLZZZZZ HELPPPPPP

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
7 0

Answer:

65 ft (which is A)

Step-by-step explanation:

A² + B² = C²

72² + B² = 97²

B² = 4225

B = √4225

B = 65 ft

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A town has a population of 12000 and grows at 5% every year. What will be the population after 12 years, to the nearest whole nu
Marizza181 [45]

Answer:

  21,550

Step-by-step explanation:

An increase of 5% means the population is multiplied by 100% +5% = 1.05. This occurs each year for 12 years, so the multiplier is ...

  1.05¹² ≈ 1.7958563

When the initial population is multiplied by this factor, it becomes ...

  12,000×1.7958563 ≈ 21,550

5 0
3 years ago
Does anyone know how to do this
Julli [10]
Maria = x
Tom = y

Use substitution
x+y=30
2y=x

2y+y=30
3y=30
y=10
Tom is 10 years old.

x+y=30

x+10=30
x=20
Maria is 20 years old.



5 0
3 years ago
Read 2 more answers
Luigi is an urban planner. As an independent contractor, he charges a $140 fee plus $25 per hour for
Anuta_ua [19.1K]

Answer:

Function: y=140+25x

Amount earned for 10 hours of work: \$390

Step-by-step explanation:

Let be "x"  the number of hours worked on a project and "y" the total amount Luigi charges for a project.

Based on the data given in the exercise, you can identify that:

  • $140 is a fixed amount.
  • For each hour worked on the project, Luigi charges $25. This can be expressed as: 25x

Then, the total amount he charges for a project is the sum of $140 and 25x. This can be represented with the following function:

y=140+25x

To calculate the amount of money earned for 10 hours of work, you must substitute x=10 into the function and evaluate. Then:

y=140+25(10)\\\\y=390

7 0
3 years ago
A table measures 3.6 feet long.<br><br> How long does the table measure in inches and in yards?
sattari [20]

Answer:

43.2 inches  is  3.6ft

1.2 yards is 3.6ft

7 0
3 years ago
What’s 34% of 120?<br> Please help
jeka57 [31]
34% = 0.34
120 * 0.34 = 40.8
Solution: it is 40.8
4 0
3 years ago
Read 2 more answers
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