A plumber has 8 9/10 feet of rubber tubing to make 2 rubber pipes. He will use3 1/12 feet of tubing to make each pipe. The plumber says he will have about 3 feet of rubber tubing after he makes the pipes. Is his statement reasonable?

Answers

Answer 1

Answer:

Answer:the answer is D

Step-by-step explanation:

This is reasonable because feet can be rounded to 9 feet and feet can be rounded to 3 feet. Since 9 - 2(3) = 3, the plumber will have about 3 feet of rubber tubing left. its true make sure you read the answer to make sure bc they can mix them up LOL

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A soccer player takes six penalty kicks ina game. Each attempt results in a goal or
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Answer:

Whats the question?

Step-by-step explanation:

What are you asking

Whats the vertex form of y=x^2-20x+15

Answers

this looks like a parabola so:
y=x^2 - 20x + 15 --> x^2 - 20x +15=y
(x^2 -20x)=y - 15 --> (x - 10)^2=y - 15 +100 ( used complete the square)
(x - 10)^2=y + 85

What is the square root of -1?

Answers

Answer:

The square root of -1 is i

Your question is "what is the square root of i", the answer is just i

i represents an imaginary number, in other words a term for non real numbers

Answer:

. A recipe calls for 3 teaspoons of salt for every 5 cups of flour. If you wanted to make a larger batch with 15 cups of flour, how much salt would you need? A. 5 teaspoons B. 10 teaspoons C. 9 teaspoons D. 6 teaspoons

Answers

Given:
3 teaspoons of salt for every 5 cups of flour.

How much salt is needed for 15 cups of flour?

This is a proportion problem:
a/b = c/d where ad = bc

3/5 = x/15
3*15 = 5x
45 = 5x
45/5 = x
9 = x

C. 9 teaspoons of salt is needed for 15 cups of flour.

3/5 = 9/15
3*15 = 5*9
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If sqrt x=-7 then x=-49
true or false

Answers

False.

IF √x = -7.

Square both sides

(√x)² = (-7)²

x = (-7)(-7)

x = 49

x will equal 49

False is your answer

hope this helps

Help me to got a answer.

Answers

Take a piece of paper and a pencil. Draw 8 little squares in a line. Those are the supports, just like it says. Now write "4 ft" in every space between the supports, just like it says. Finally, addum all up.

You should have "4 ft" written in seven spaces.
So you'll add up "4 ft" seven times, and the total will be 28 feet.

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