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lina2011 [118]
3 years ago
7

Determine the missing value

Mathematics
1 answer:
masya89 [10]3 years ago
7 0

Answer:

3.1

Step-by-step explanation:

This is a rule of three

We need to multiply 12 2/5 by $22.65 and the result must be divided by $90.60.

then 12 2/5 x 22.65 = 280.86

finally 280.86/ 90.60 = 3.1

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The expression 210,000\left(1.02\right)^x210,000(1.02)
Bad White [126]

Answer:

The house is increasing in value by 2% each year.

Correct the increase is 1.02 per year the value of b>0 and the percentage of increase each year is:

\frac{1.02-1}{1} *100 = 2\%

Step-by-step explanation:

For this case if we have this expression

210000(1.02)^x

We have the same functional forma like the exponential model given by:

y = a b^x

Where a = 210000 represent the constant or initial value and b = 1.02 represent the base.

So let's analyze the possible options:

The house has a starting value of 1.02.

False the starting value for this case is 210000 since if x=0 then we see that the value is 210000

The house is decreasing in value by 2% each year.

False the increase is 1.02 each year so then in % we have

\frac{1.02-1}{1} *100 = 2\%

We  have an increase of 2% each year

The house is increasing in value by 2% each year.

Correct the increase is 1.02 per year the value of b>0 and the percentage of increase each year is:

\frac{1.02-1}{1} *100 = 2\%

The value of the house is changing by 0.02% each year.

False the increase is 2% per year

4 0
3 years ago
Plz Help Cuz it Worth A Hunid Points
S_A_V [24]

Answer:

1. 30

2. x<-72

3. 7b=63

4. x=3.2

5. 1/10

Step-by-step explanation:

1. Substitute a for 10

2(150/10)

2*15

30

2. Think of it like a normal equation

x/4<-18

x<-18*4

x<-72

3. 7b=63

4. 2.5x=8

x=3.2

5. 1/5*1/2= 1/10

7 0
3 years ago
Find a rational and irrational number between 7.7 and 7.9 answer in lots of detail
nalin [4]
7/9 would be irrational, I think.
7 0
4 years ago
Read 2 more answers
Point K is between points H and J, HK=x-5, KJ=5x-12, and HJ=25. Find the value of x
bija089 [108]
X-5 + 5x-12 = 25
combine like terms 
6x-17 = 25
add 17
25 + 17 =42
6x + 42
x = 7
7 0
3 years ago
Which of the transformations resulted in image Point A'?
DaniilM [7]
A(X,Y) -> (x+3, y+1)
5 0
3 years ago
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