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krek1111 [17]
2 years ago
13

Answer all of em do it u wont

Mathematics
1 answer:
avanturin [10]2 years ago
7 0

Answer: 1. is 145 2. 60/100 is wrong because 3/5 is right 3.

figure out what is 40% of x and you get the answer when u add 87 which is 60% of x 4.no

Step-by-step explanation:

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Katie is k years old. Harry is 4 years older than Katie. Rachel is twice as old as Harry. If you add together the ages of Katie,
vichka [17]
K+(k+4)+2k=36
4k+4=36
4k=36-4
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5 0
3 years ago
What is 125^2/3 in simplest form? and What is \sqrt[5]({-245} ) ^{5} in simplest form?
Natasha_Volkova [10]
{ 125 }^{ \frac { 2 }{ 3 }  }\\ \\ ={ \left( { 125 }^{ \frac { 1 }{ 3 }  } \right)  }^{ 2 }\\ \\ ={ \left( \sqrt [ 3 ]{ 125 }  \right)  }^{ 2 }\\ \\ ={ 5 }^{ 2 }\\ \\ =25

This is because:

{ a }^{ \frac { m }{ n }  }\\ \\ =\sqrt [ n ]{ { a }^{ m } }

Remember that:

5 x 5 x 5 = 125
5 0
3 years ago
19 squared equals 361
Fudgin [204]
Correct, I am not sure it that was the answer you were looking for
6 0
3 years ago
Read 2 more answers
Please answer right away
Andreas93 [3]

Answer:

20 miles with an error margin of  ± 8 miles

Step-by-step explanation:

The margin of error of a result is the range in which an error can vary. To find the margin of error between both distances we have to

28-12 = 16, that is, the variation of the result has a range of 16 miles. So we will look for the midpoint of both distances

(X2-X1)/2+X1=(28-12)/2+12=16/2+12=8+12=20

So from this midpoint the value can vary between 8 points below and 8 points above that would cover the difference of 16 miles that we observed at the beginning

In this way, the correct answer is 20 miles with an error margin of  ± 8 miles

Done

8 0
3 years ago
800x200 I know the answer is 160000 but I want to see how quick you guys answer...
antoniya [11.8K]
Hello : 
8×2 = 16
 and : four zero : 0000
you have : 160000
8 0
2 years ago
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