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Sveta_85 [38]
3 years ago
13

4/5 of a number is more than 3/4 of the number by 5.find the numbers

Mathematics
1 answer:
Nastasia [14]3 years ago
8 0
4/5 of x -3/4 of x =5
solution by LCM

16x-15x/20 =5
x/20 =5
x=100
<span>answer 100</span>
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Corresponding angles?<br><br><br> Helo im trying to pass
IgorC [24]

Answer:

Corresponding angles are

1 and 3

or 5 and 7

or 2 and 4

or 6 and 8

Step-by-step explanation:

7 0
3 years ago
Find the proportion of heights that are within 1 standard deviation of the sample mean and also the proportion that are within 2
Bess [88]
For a normal distribution <em>only, </em>for a population, not for particular sample.

proportion between 1 standard deviation, independent of &mu; and &sigma; , is given by:
P(Z<1)-P(Z<-1)
=0.841345-0.158655=0.682689
=0.68  (to two places of decimal)

proportion between 2 standard deviations, independent of &mu; and &sigma; , is given by:
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8 0
3 years ago
Lisa collected leaves from different trees for a sience project. Everyday for a week she collected 7 leaves how many leaves did
julsineya [31]
The total number of leaves that was collected by Lisa is the product of the number of days in a week and the number of leaves she collected per tree. This is shown below,              (7 trees / week) x (7 leaves / 1 tree) = 49 leaves / weekThus, Lisa collected 49 leaves in a week. 

5 0
3 years ago
Find the lcm of 2.5, 1.0 and 70​
Ivahew [28]

Answer:

Step-by-step explanation:

2.5 = 5 * .5

1 = 1

70 = 2 * 5 *  7

LCM = 2 * 5 * 7

If you include the 1/2, you will reduce the LCM to 35, but 70 will be left out of the LCM.

4 0
2 years ago
Rewrite the square-root expression as an imaginary number: sqrt of -64<br><br> is it 8i?
IceJOKER [234]
The answer is 8i.

i = √(-1)

√(-64) = √((-1) * 64)
           = √(-1) * √64
           = i * √8²
           = i * 8
           = 8i
6 0
3 years ago
Read 2 more answers
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