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katrin2010 [14]
3 years ago
8

mark an fred had some money in the ratio 6:1. mark gave half of his money to fred . what is the ratio of the amount of money mar

k had left to the amount mark had let to the amount of money fred had left
Mathematics
1 answer:
kifflom [539]3 years ago
6 0
The answer I believe is 3:4 but I'm not for sure
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The set of ordered pairs below represents a relation that is a function.
swat32

Answer:

I'm confused by the points:  

Why three points for each (A, B, C, and D)?: A: (0,6)(0,6)(0,6), etc.

Points A and B [(0,6) and (4,2)] are consistant with a straight line of the form y=-x+6.

Points C and D [(-6,8),(-8,10)]are on the line y=-x+2.  

A and B aren't related to C and D.

Step-by-step explanation:

6 0
3 years ago
HELPPPPPPPPPPPP PLEASE
Gennadij [26K]

Answer: <B is congruent to <E

Step-by-step explanation:

There is no “angle,angle,angle” theorem when proving triangles are congruent.

There are 5 however that do:

ASA (angle, included side, angle)

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SAS (side, included angle, side)

AAS (angle,angle, non included side)

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6 0
3 years ago
The length of a rectangle is 2 inches more than twice its width write an equation relating the length of the rectangle to its wi
Neko [114]
Length of Triangle= 2(W) +2

i dont know if im right or not.
4 0
3 years ago
Compute the probability of randomly selecting a three or club.
Pavlova-9 [17]
Find the total number of cards in a deck. Count all the # 3’s total cards/#3 cards
Count all the clubs total card/ clubs
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So all you have to do is count & then divide to get the probability.
5 0
3 years ago
An SRS of size 20 is drawn from a population that has a normal distribution. The sample has a mean of 122.5 and a standard devia
Tems11 [23]

Answer:

The value is  \sigma_{\= x} = 1.789

Step-by-step explanation:

From the question we are told that

   The sample size is  n =  20  

    The sample mean is \= x = 122.5

    The standard deviation is  s =  8

Generally the standard error of the mean is mathematically represented as

       \sigma_{\= x} =  \frac{s}{\sqrt{n} }

=>    \sigma_{\= x} =  \frac{8}{\sqrt{20 } }

=>    \sigma_{\= x} = 1.789

8 0
3 years ago
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