MATHEMATICS MIDDLE SCHOOL

Simplify ratio 1.5:2.5

Answers

Answer 1
Answer: 1.5:2.5=\underbrace{15:25}_(divide\ by\ 5)=\boxed{3:5}

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Diallo says that the value of 12-3 to the second power is 81. how did he get that answer

Answers

Answer:

12-3= 9

9^2= 81

Step-by-step explanation:

As the statement indicates that diallo says that the value of 12-3 to the second power is 81, it means that he subtracted 3 from 12 which is equal to 9. Also, the value of 12-3 to the second power means that he calculed the value of 9 squared which is 81.
He would have to subtract 12 and 3 which would give you a total of 9. then he would have to find the value of 9 squared which is 81. Hope that helped!

The voltage in an electrical circuit is multiplied by itself each time it is reduced. The voltage is 27/125 of a volt and it has been reduced three times. Write the voltage in exponential form. What was the original voltage in the circuit?

Answers

Exponential form: F(x)= 3/125^x+1
Original voltage: 3/125 of a volt

Explain the steps you would take to write 36/10 as a decimal

Answers

When anything is divided by 10 we just move the decimal 1 place to the left So 36.0 once divided by 10 would become 3.6
To make a fraction into a decimal, divide the numerator by thedenominator.
36/10=3.6

I hope this helped you!!

Select each point on the line y = -2x + 1. Select ALL the correct pointsA (3, 18)
B (3, -5)
C (-3, -12)
D (0, 1)
E (-1, 8)
F (-2, 5)

Answers

Answer:

D, B, and F.

Step-by-step explanation:

Points D, B, and F lie on the line when graphed.

Need help plz ASAP! It’s due tomorrow! I will give branist

Answers

Study the Problem

What is the cost of the wallpaper (in dollars per square foot)?

Organize the Facts

The wallpaper covers a rectangle 42 ft by 25.5 ft. It costs $771.12 for that area.

Make a Plan

To find dollars per square foot, we need to divide the dollar amount by the area in square feet. The area needs to be computed. It is the area of a rectangle, so can be found by multiplying length and width.

Plan: multiply length and width of the wall to find its area; divide the cost by that area to find dollars per square foot.

Execute the Plan

area = (42 ft)×(25.5 ft) = 1071 ft²

cost/area = $771.12/(1071 ft²) = $0.72/ft²

Examine the Results

The area is on the order of 40×25 = 1000 ft², and the cost is less than $1000, so the cost will be less than $1 per square foot. The answer is in the right ballpark. If we multiply it out, we should get the given cost:

... 0.72×42×25.5 = 771.12 . . . . agrees with given cost.

The cost of the wallpaper is $0.72 per square foot.

Wrench Width: Which is wider? 8mm and 5/16in

Answers

8 mm is ur answer good suir
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