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Juliette [100K]
3 years ago
6

HURRY PLEASE

Mathematics
1 answer:
Strike441 [17]3 years ago
4 0

Answer:

n = ≥500

Step-by-step explanation:

They must be able to swim 500 yards or more.

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WILL GIVE BRAINLIEST IF RIGHT!!
jok3333 [9.3K]

Answer:

True

Step-by-step explanation:

Two angles form a pair of complementary angles

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2 years ago
There were some people on a train 18 people get off at the first stop and 21 people get on the train there are now 65 people on
MissTica

Answer:

62

Step-by-step explanation:

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3 years ago
Please help with this question ​
leonid [27]

We know that \sin(45)=\cos(45) and this is the only point when sin and cos are equal lengths. Because both \sin(45),\cos(45)=\dfrac{\sqrt{2}}{2}

Now if the sin of 30° is a half that would mean that cos of 60° is also a half.

Hope this helps.

<u>r3t40</u>

5 0
3 years ago
Factor 3a^2+6ab-24b^2
Monica [59]
(3a²+6ab-24²)= 3a(a+2b)x(4b)
7 0
2 years ago
Write a rational equation that relates the desired percentage to the amount of % acid solution that needs to be added to liter o
mart [117]

This question is incomplete

Complete Question

Write a rational equation that relates the desired percentage p, to the amount A of a 30% solution that needs to be added to 1 liter of 10% acid solution to make a blend that is p% acid, where 0<p<100 . What is a reasonable restriction on the set of possible values of ? Explain your answer.

Answer:

100(0.1 + 0.3A)= (1 + A) P

Step-by-step explanation:

A of a 30% solution that needs to be added to 1 liter of 10% acid solution to make a blend that is p% acid,

Hence,

10% of 1 + 30% of A = p%(1 + A)

0.10 + 0.3A = (p/100)(1 + A)

Divide both sides by 1 + A

0.1 + 0.3A/ 1 + A = p/100

Cross Multiply

100(0.1 + 0.3A) = 1 + A(p)

From the above calculation, we can see that, the blend that would be formed is not lower than 10% or greater than 30%

10% < p< 30%

8 0
2 years ago
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