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Sindrei [870]
3 years ago
13

What are numbers that have a sum of 13 and a difference of 2.

Mathematics
1 answer:
natulia [17]3 years ago
3 0

Answer: 15/2,11/2

Step-by-step explanation:

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A Computer was on sale for 2/3 of the original price. If the original price was $900, what was the sale price
bekas [8.4K]

Answer:

$600 is the sales price

Step-by-step explanation:

First, multiply the original price with the numerator

900 x 2 = 1800

Next, divide the number gotten by 3

1800/3 = 600

$600 is your answer

~

7 0
3 years ago
Read 2 more answers
PLZZZ HELP pictures down below
balu736 [363]

Answer:

C

Step-by-step explanation:

We can multiply each equation by a constant so they'll equal either 15 or -15 since that is the LCM.

Since the answer choices want us to make the top a negative 15, we'll do that.

2x-5y=-21 \\ \\ 3(2x-5y)=(-21)*3 \\ \\ 6x-15y=-63

To make the y's cancel out, the second equation would have to have the y's coefficient equal 15.

Let's do that.

3x-3y=-18 \\ \\ -5(3x-3y)=(-18)*-5 \\ \\ -15x+15y=90

So the resulting equations are answer choice C.

5 0
3 years ago
A survey organization, as part of the United States Census Bureau, conducts a yearly census similar to the one taken every ten y
lyudmila [28]

Answer: $69811

Step-by-step explanation:

Given : A survey organization, as part of the United States Census Bureau, conducts a yearly census similar to the one taken every ten years, but with a smaller percentage of participants.

One of these surveys estimates with 90% confidence that the mean household income in the U.S. falls between $69,702 and $69,920.  (1)

We know that the confidence interval is given by :-

Point estimate of mean  ± Margin of error

From (1) , we have

Point estimate for mean  -Margin of error = $69,702   (2)

Point estimate for mean  +Margin of error = $69,920      (3)

Add (2) and (3), we get

2 (Point estimate for mean) = $139622

Divide both sides by 2, we get

Point estimate for mean=$ 69811

Therefore , the point estimate for mean U.S. household income. =  $ 69811

6 0
3 years ago
Determine the value of w and x in the figure below. (Thanks for the help I really appreciate it!)​
storchak [24]
Triangle HAM looks like an isosceles triangle, and we know that in an isosceles triangle 2 of the angles are the same.

so :
180 - 106 = 74 ( sum of the other 2 angles )
74/2 = 37 ( sum of angle HMA / HAM )

angles on a straight line add up to 180.
180-37=143 ( angle x )

since triangle YMH is also an isosceles,
180-37=143
143/2=71.5 ( angle w )
7 0
3 years ago
How does the function g(x)= - (x - 1) compare to the parent function f(x) = x ?
grandymaker [24]
Reflection across x axis and move 1 unit to the right
3 0
3 years ago
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