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matrenka [14]
4 years ago
11

I need help with problem 27,28,29

Mathematics
2 answers:
Grace [21]4 years ago
7 0
Can't see 28 and 29 plz take a better picture
Rom4ik [11]4 years ago
5 0
27 has to be C
I can't see the whole question for 28 and 29
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In a sale the price of a reduced by $40 t0 $115 what was the original price of the bag​
stich3 [128]

Answer:

$155

Step-by-step explanation:

I believe you are saying that the original price of the bag was decreased by $40, and is now $115. Therefore, you add these two together to get the original price.

3 0
3 years ago
Read 2 more answers
Two chemical plants are releasing waste into a holding tank. Plant 1 releases waste twice as fast as plant 2. Together they fill
tatiyna

Answer:

6 hours.

Step-by-step explanation:

Let t represent time taken by plant 1 in hours to release the waste.

Part of waste released by plant 1 in one hour would be \frac{1}{t}.  

We have been given that two chemical plant 1 releases waste twice as fast as plant 2, so time taken by plant 2 to release the waste would be 2t.

Part of waste released by plant 2 in one hour would be \frac{1}{2t}.  

We are also told that together they fill the tank in 4 hours. So part of tank filled by both plants working together in one hour would be \frac{1}{4}.

\frac{1}{t}+\frac{1}{2t}=\frac{1}{4}

\frac{1}{t}\cdot 4t+\frac{1}{2t}\cdot 4t=\frac{1}{4}\cdot 4t

4+2=t

t=6

Therefore, it will take 6 hours for the faster plant to fill the tank working alone.

4 0
3 years ago
.The legs of an isosceles triangle have a length of 12 each. What can you say about the length of the base?
nikdorinn [45]

Answer:

It should be different to 12

3 0
3 years ago
$12597.12
igor_vitrenko [27]

Answer:

$686.94

Step-by-Step Explanation-

<u>FORMULA ~ A= P(1+r)^n</u>

A= 600(1+0.07)^2

A=600(1.07)^2

A=600( 1.1449)

A= $686.94

So, ya that's the ans

4 0
3 years ago
A lock has 3 digits and can have any number from 0-9 how many combinations are there
tatiyna

Ten choices for the first digit, 10 for the second, 10 for the third,

10 × 10 × 10 = 1000 combinations

Answer: 1000

8 0
3 years ago
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