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dimaraw [331]
3 years ago
8

Equivalent ratio

Mathematics
1 answer:
Brums [2.3K]3 years ago
3 0
What are the choices that I’m supposed to choose between
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My son is having such a hard time with 6th grade math. and I'm no help at all. someone help please
lisabon 2012 [21]
I'd be more than happy to help. Im a sophmore and Love math
7 0
3 years ago
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Answer this question for me ASAP PLEASE. Please show all work.
ziro4ka [17]

9514 1404 393

Answer:

  acute scalene triangle

Step-by-step explanation:

The largest angle is acute, and all sides are different lengths. The triangle is an<em> acute scalene triangle</em>.

____

The magnitudes of the coordinate differences are ...

  WX = (7, 5), XY = (2, 7), WY = (9, 2)

The two sides that are closest in length are ...

  WX = √(49+25) = √74

  WY = √(81 +4) = √85

Obviously, these are different lengths.

You can get a clue by comparing the numbers whose squares you are adding:

  7^2 +5^2 > 7^2 +2^2 . . . . . WX > XY

  9^2 +2^2 > 7^2 +2^2 . . . . WY > XY

so, the only question is relation between WX and WY. We note that the length of WX is less than one of the coordinate differences of WY, so we know WY is the longest. (√74 < 9)

We can tell from the graph that angle X (opposite longest side WY) is an acute angle, so the triangle is acute.

7 0
3 years ago
Please help with this work
Deffense [45]

Answer:

B = 80

Step-by-step explanation:

y = 4x

y = 1/2x + 280

Substitute one equation into another.

4x = 1/2x + 280

Combine like terms

3.5x = 280

x = 80

4 0
3 years ago
The scores on a psychology exam were normally distributed with a mean of 57
olya-2409 [2.1K]

Answer:

Cutoff for a failing score is 49 and 2.28% students failed.

Step-by-step explanation:

We have been given that scores on a psychology exam were normally distributed with a mean of 57  and a standard deviation of 4.

2 standard deviation below mean would be,

57-2(4) =57-8= 49

Therefore,Cutoff far a failing score is 49.

Now let us find out the z-score for our given values,

z=\frac{x-\mu}{\sigma}

z=\frac{49-57}{4}=\frac{-8}{4} =-2

Now let us look up the probability from normal distribution table.

P(z

Therefore, percentage of students failed is 2.28%.



3 0
3 years ago
-3 n is an integer.<br> Write down the possible values of n.<br> I
MAXImum [283]
<h2>-3n where n can be (-∞ to +∞)</h2><h2>hope it helped :-)</h2>
5 0
3 years ago
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