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Reil [10]
3 years ago
12

What is √52 to the nearest whole number

Mathematics
1 answer:
inysia [295]3 years ago
5 0

Answer:

Step-by-step explanation:.

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Bill wanted to try out different water craft he went 62 mikes downstream in a motor boat and 27 mikes down stream on a jest ski
valina [46]

Answer:

The speed on motorboat is 20 mph

Step-by-step explanation:

here, we want to find the speed on the motorboat

if he has a speed of x mph on the motor boat, his speed on the ski will be (x + 10) mph

The total hours is 4 hours

Mathematically; speed = distance/time

Time on ski is 27/x+ 10

Time on motor boat is 62/x

The addition of both is 4

Thus;

27/(x + 10) + 62/x = 4

27(x) + 62(x + 10) = 4(x)(x + 10)

27x + 62x + 620 = 4(x^2 + 10x)

89x + 620 = 4x^2 + 40x

4x^2 -49x-620 = 0

using the quadratic formula;

{-b ± √(b^2-4ac)}/2a

where a = 4, b = -49 and c = -620

= 49 ± √(-49)^2-4(4)(-620)/8

So we have

49+ 111/8 or 49-111/8

Speed cannot be negative

(49 + 111)/8

= 20 mph

3 0
2 years ago
A man bought a bicycle for $400 and sold it at a loss of 35%. How much did he lose?
Vlad [161]
The answer should be 140, I hope this helps! Have a fantastic day!!
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3 years ago
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What's the 8th term geometric sequence below
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I would choose the answer D 
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A sample of 50 people was randomly chosen, and 60% of them said that they would rather eat breakfast at home than at a restauran
nalin [4]
The answer to this question would be: <span>The new survey’s margin of error will be between 50% and 100% the size of the original survey’s margin of error. 

A bigger sample will result in a narrower margin of error which is a good thing because your data will become more accurate. But twice size will not improve the margin into the half. It definitely became lower than 100% though
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3 years ago
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3. Carl is swimming 6 feet UNDER the water and Candice is standing on a dock 10
DochEvi [55]

Answer:

16

Step-by-step explanation:

1. Use a vertical number line to count how many spaces are between -6 and 10.

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