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3 years ago

11

12 of the students in a Geometry class passed a Geometry test. If these students are 80% of all the students in the class, how m

any students are in this Geometry class?

1 answer:

Reika [66]3 years ago

7 0

Answer:

i wanna say 15 maybe, but it might be wrong. I havent done these type of problems in awhile.

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Simple math help?<br> Solve for x<br> √x+12 = √x+2

lozanna [386]

This is an impossible equation. If sqrt(x) = sqrt(x), and sqrt(x) + 2 = sqrt(x) + 12, then that would mean that 2=12, which is incorrect.

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2 years ago

A piano teacher has 4 1/2 hours available to teach in a night. Each lesson will last 1 1/2 hours. How many lessons can the teach

kherson [118]

Answer:

3 classes

Step-by-step explanation:

The teacher can schedule 3 classes in a night because 4 1/2 divided by 1 1/2 is 3.

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3 years ago

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Evaluate 2r (t – 1) ifr =<br> 4 and t<br> = 6

garri49 [273]

Answer:

40

Step-by-step explanation:

Step 1: Define

2r(t - 1)

r = 4

t = 6

Step 2: Substitute and Evaluate

2(4) · (6 - 1)

8 · 5

40

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3 years ago

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if you have 20 yards of ribbon and need to vut it into 2 yard lengths how many cuts do you have to make. step by step if u can i

wlad13 [49]

Answer:

10

Step-by-step explanation:

Given: 20 yards of ribbon in total. Need to make 2 yards each.

To find out how many yards you need to cut, divide:

20 / 2 = 10

So, you need to make 10 cuts for the 20 yards.

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2 years ago

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What is the value of 9 in 4.971?<br> 0.009<br> 0.09<br> 0.9<br> 9

amid [387]

Answer:

0.9

Step-by-step explanation:

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3 years ago