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kkurt [141]
3 years ago
14

1. Point (−5,8) is reflected across the line = . What are the coordinates of ′? Show your work and explain.

Mathematics
1 answer:
netineya [11]3 years ago
4 0

Answer:

(5,8) over y axis and (-5,-8) over x axis

Step-by-step explanation:

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How do you solve 3 = x + 3 + 6x?
joja [24]

Answer:

x=0

Step-by-step explanation:

3 = x + 3 + 6x

Combine like terms

3=7x + 3

Use order of operations to isolate x

3=7x + 3

-3       -3

0/7=7x/7

x=0/7 or 0


4 0
3 years ago
Read 2 more answers
Given that the measure of ∠x is 90°, and the measure of ∠y is 53°, find the measure of ∠z. ?°
gizmo_the_mogwai [7]

The 3 inside angles of a triangle need to equal 180 degrees.

You are given X and Y, so you would subtract both of those from 180 to find Z:

Z = 180 - 90 - 53 = 37 degrees

8 0
2 years ago
A storeowner mixed 8 pounds of peanuts and 5 pounds of M&M's. This 13 pound mixture sold for $55.27. A second mixture includ
wlad13 [49]
Suppose a pound of peanuts is priced at X, M&M is Y, and the equation is 6X+4Y=42.70 8X+5Y=55.27.   [8X+5Y=55.27]*4-[6X+4Y=42.70]*5   is  [32X+20Y=221.08] - [30X+20Y=213.5]  X=3.79 Y=4.99
6 0
3 years ago
Some students were surveyed about how much time they spent playing video games last week and their overal test average.
sashaice [31]
A) The attachment shows the equation of the best-fit line. It is approximately
.. test average = 89.7 -2.93*(hours playing games)

b) The slope indicates the expected drop in test score for each hour spent playing games

c) The y-intercept is the expected test score if no hours are spent playing games.

d) The correlation coefficient is -0.92, a significant negative correlation. One might expect that hours spent playing games indicates a lack of interest in school subjects or studying, hence a likelihood that test scores will be lower.

e) The equation predicts a test score of about 75 for someone who spends 5 hours a week playing video games.

4 0
2 years ago
Greta had $2,992 in a savings account with simple interest. She had opened the account with $2,200 exactly 4 years earlier. What
Alex_Xolod [135]

Answer:

18.3824%

Step-by-step explanation:

Sorry, this may be wrong. I am using an old skill, so it may be wrong.

3 0
2 years ago
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