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Mademuasel [1]
3 years ago
7

Why might you need to measure a perimeter with a measuring tape instead of a ruler

Mathematics
1 answer:
kompoz [17]3 years ago
4 0
If you had a figure which had <em>curves</em>, you would not be able to use a ruler to measure its length. A piece of tape, however, can be curved around it and marked, then measured.
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Help please also due tomorrow so thanks also it's question number 4
Veseljchak [2.6K]
Fin how much was taken out
9 750 ml
9 times 750=6750ml

he has an 8 liter jug
1 liter=1000ml
convert 8L to ml
8 times 1000=8000ml

full-takenout=remaining
8000-6750=1250ml remaining



answer is D

also 5 kilometers
1 kilometer=1000 meters
5 times 1000=5000meters


answers are
D 1250 ml
5000meters jogged
8 0
3 years ago
Find the area. yes it is a right triangle and I'm a somewhat sure angle in the bottom left is 60°
Taya2010 [7]

Answer:ill help all triangles should equal to 180 hope it did help you

Step-by-step explanation:

4 0
4 years ago
What is the inverse of this equation f(x) = 1/4(x+3)^2+2
Masja [62]

Answer:

y = √(4x - 8) - 3

Step-by-step explanation:

y = 1/4(x + 3)² + 2

To find the inverse, switch the places of the x and y.  

x = 1/4(y + 3)² + 2

Solve for y.

x - 2 = (1/4(y + 3)² + 2) - 2

x - 2 = 1/4(y + 3)²

4(x - 2) = 4(1/4(y + 3)²)

4x - 8 = (y + 3)²

√(4x - 8) = √((y + 3)²)

√(4x - 8) = y + 3

√(4x - 8) - 3 = (y + 3) - 3

√(4x - 8) - 3 = y

y = √(4x - 8) - 3

4 0
4 years ago
Joey and Nolan are each solving the equation 13x - 42 = 18 - 7x. Joey's first step was to rewrite the equation as 20x - 42 = 18
azamat

Answer:

Correct option: C.

(Both Joey and Nolan)

Step-by-step explanation:

The step Joey did is:

Add 7x to both sides of the equation

Then, he got:

13x - 42 + 7x = 18 - 7x + 7x

20x - 42 = 18

The step Nolan did is:

Add 42 to both sides of the equation

Then, he got:

13x - 42 + 42 = 18 - 7x + 42

13x = 60 - 7x

So both of them used correctly the addition property of equality in the first step of their work.

Correct option: C.

6 0
4 years ago
How many grams of a 15 percent alcohol solution should be mixed with 40 grams of a 30 percent solution to obtain a solution
liq [111]

answer:20 well thats all XD

3 0
3 years ago
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