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Lapatulllka [165]
3 years ago
8

A stack of bricks is 3 1/2 feet high.

Mathematics
1 answer:
ololo11 [35]3 years ago
4 0
Divide 42 inches by the total amount of inches in one brick
why you are dividing by 42 inches is because 3 1/2 ft is equal to 42 inches
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Use the order of operations to simplify<br> 5*3 to the second power-15/5
ASHA 777 [7]

Assuming the question reads:

5 \cdot 3^2 - 15 \div 5

The order of operations is as follows:

Parentheses

Exponents

Multiplication/Division

Addition/Subtraction

There are no parentheses in the equation.

There is an exponent in the equation. Solve this term first:

3^2 = 9

The equation should now read:

5 \cdot 9 - 15 \div 5

There are two multiplication/division operations in the equation. Solve them individually:

5 \cdot 9 = 45

15 \div 5 = 3

The equation should now read:

45 - 3

There is one subtraction operation. Solve this term for your answer:

45 - 3 = \boxed{42}

7 0
3 years ago
What is the point-slope equation of a line if the slope is 3 and it passes through the point (-9, 2
Art [367]

Answer:

The point-slope equation of the line is y - 2 = 3(x + 9)

Step-by-step explanation:

The form of the point-slope equation is y - y1 = m(x - x1), where

  • m is the slope of the line
  • (x1, y1) is a point on the line

∵ The slope of a line is 3

∴ m = 3

∵ The line passes through point (-9, 2)

∵ x1 = -9

∴ y1 = 2

→ Substitute the values of m, x1, and y1 in the point-slope form

∵ y - y1 = m(x - x1)

∴ y - 2 = 3(x - (-9))

→ Remember (-)(-) = (+)

∴ y - 2 = 3(x + 9)

∴ The point-slope equation of the line is y - 2 = 3(x + 9)

6 0
3 years ago
S = 2πrh + 2πr2 slove for h​
Alenkasestr [34]

Answer:

h=A-2πr2/2πr

Step-by-step explanation:

7 0
3 years ago
68.76 rounded to the nearest whole number
Ahat [919]
68,76 rounded to the nearest whole number will be equal 69 

hope this will help you 
7 0
3 years ago
I want a tutor can I have some one help me
jekas [21]

Answer:

If you want add me on discord >>> fun54658#0871

7 0
3 years ago
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