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Nuetrik [128]
3 years ago
11

What property is this? (3x+12y)+(10x-5y)

Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0

Answer:

Assciates Property

Step-by-step explanation:

look at the picture above

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2) What is a definition of a line that is parallel to XY?
makvit [3.9K]

Answer:

it's b

Step-by-step explanation:

parallel lines stay the same distance away from each other all the time. they could go on forever and would never cross. think of a parallelogram. the lines always stay the same width apart, like train tracks. this would mean that is is b because it does not intersect xy

5 0
3 years ago
Find the equation of the sphere in standard form centered at (−6,10,5) with radius 5.
Dovator [93]

Answer:

The equation of the sphere in standard form is

x^{2} +y^{2}+z^{2} +12 x-20 y-10 z+136=0

Step-by-step explanation:

<u>Step 1</u>:-

The equation of the sphere having center and radius is

(x-h)^{2} +(y-k)^{2} +(z-l)^{2} = r^{2}

Given centered of the sphere is (-6,10,5) and radius r=5

(x-(-6))^{2} +(y-10)^{2} +(z-5)^{2} = 5^{2}

on simplification,we get

using (a+b)^{2} =a^{2} +2 a b+b^{2}

using (a-b)^{2} =a^{2} -2 a b+b^{2}

simplify , we get

x^{2} +y^{2}+z^{2} +12 x-20 y-10 z+136=0

8 0
3 years ago
Which of the following would be the best equation for the function of the values for Janet’s reading?
Airida [17]
P=pages and H=hours, I’m assuming she read 20 pages, so C. h=20p should be correct, sorry if it wrong tho :)
5 0
3 years ago
Read 2 more answers
If someone could please help me I’m confused thanks:)
Sedbober [7]
<h3>Answer:  x = 45</h3>

Work Shown:

x+x+90 = 180 .... all three angles of a triangle add to 180

2x+90 = 180

2x = 180-90

2x = 90

x = 90/2

x = 45

This is a 45-45-90 right triangle. We also consider it an isosceles right triangle because the base angles (45) are equal.

3 0
3 years ago
An 8-pack of candy bars costs $7.28. What is the unit price?<br> plz help
Darya [45]
7.16 dpollars for one candy bar
5 0
3 years ago
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