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Lisa [10]
3 years ago
15

What is 0.9(x-20)=830 Rounded to the Hundreths (second) decimal place

Mathematics
1 answer:
enot [183]3 years ago
4 0

Answer:

x= 942.22

Step-by-step explanation:

.9x-18=830

.9x=848

x=942.222222222

which will be x= 942.22

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The first number in a pattern is 6. The pattern follows the rule "Add 1, Multiply by 2" Which of the following shows the next fo
Morgarella [4.7K]

Answer:

C

Step-by-step explanation:

Remark

You must do the changes in order. Add 1 then multiply by 2

  • First entry: 6
  • Add 1: 6 + 1 = 7
  • Multiply by 2 = 2*7 = 14
  • Add 1: 14 + 1 = 15
  • Multiply by 2: 15 * 2 = 30

Answer: 7 14 15 30

5 0
2 years ago
The radius of a circle is 2 millimeters. What is the circle's area?
mote1985 [20]

Answer:

12.56 mm²

Step-by-step explanation:

A=\pi r^{2}

Plug the given values into the area equation

A=3.14*2^{2}\\A=3.14*4\\A=12.56

Therefore, the area of the circle is 12.56 mm².

I hope this helps!

6 0
3 years ago
|5x|+5=45<br><br> can you explain this absloute value equation <br> i have a midterm
Ymorist [56]
So first, you get the absolute value to one side:
|5x|+5=45\\&#10;|5x|=40

Next, set up two equations; One where the value inside the absolute value lines is positive, and another where it is negative, and solve both for the variable:
|5x|=40\\5x=40\\x=\frac{40}{5}=8\\\\-5x=40\\x=\frac{40}{-5}=-8

Your answers are 8 and -8, or +-8.
8 0
2 years ago
Read 2 more answers
Help please!!!<br><br><br><br><br><br> ———————-
Marat540 [252]
B is the answer okay
5 0
3 years ago
Read 2 more answers
PLEASE LOOK at the photo and help me on these 2 questions :(!!!!!
Tems11 [23]

Answer:

1) f(g(2)) = 24

2) f(g(-1)) = -4

Step-by-step explanation:

1) GIven f(x) = x²+2x and g(x) = 2x

f(g(x)) = f(2x)

f(2x) = (2x)² + 2(2x)

f(2x) = 4x² + 4x

f(g(x)) = 4x² + 4x

f(g(2)) = 4(2)² + 4(2)

f(g(2)) = 16+8

f(g(2)) = 24

2) f(x) = x+1 and g(x) = 5x

f(g(x)) = f(5x)

f(5x)= 5x + 1

f(g(x)) = 5x + 1

f(g(-1)) = 5(-1) + 1

f(g(-1)) = -5+1

f(g(-1)) = -4

8 0
3 years ago
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