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stiks02 [169]
3 years ago
12

The graph of a proportional relationship contains the point (20, 4).

Mathematics
1 answer:
KatRina [158]3 years ago
4 0
Since we are only given with a single point and we are given a proportional relationship, then we can make the assumption that when one variable is 0, the other is also 0. So, we can make the equation:
y/x = 4 / 20 or
y = x/5
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What is 65 divided by 1.5
adelina 88 [10]

65  ÷ 1.5 = 43.333333...

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5 0
3 years ago
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Find the measure of each angle indicated.<br> 7)<br> 920<br> A) 118°<br> B) 92°<br> C) 96°
Rus_ich [418]

Answer:

Its 92 degrees because they are equal. I hope this helped! plz make me brainliest

Step-by-step explanation:

5 0
3 years ago
The standard form of the equation for a quadratic function is, with he vertex of the graph of the function at the point (p,q). t
ludmilkaskok [199]

Answer:

p = ½ (x₁ + x₂)

q = a (x₁x₂ − ¼ (x₁ + x₂)²)

Step-by-step explanation:

y = a (x − x₁) (x − x₂)

Expand:

y = a (x² − x₁x − x₂x + x₁x₂)

y = a (x² − (x₁ + x₂)x + x₁x₂)

Distribute a to the first two terms:

y = a (x² − (x₁ + x₂)x) + ax₁x₂

Complete the square:

y = a (x² − (x₁ + x₂)x + ¼(x₁ + x₂)²) + ax₁x₂ − ¼ a(x₁ + x₂)²

y = a (x − ½ (x₁ + x₂))² + a (x₁x₂ − ¼ (x₁ + x₂)²)

Therefore:

p = ½ (x₁ + x₂)

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3 0
3 years ago
Click on the solution set below until the correct one is displayed.
Snowcat [4.5K]

Answer: Second Option

(Point in Quadrant I)

Step-by-step explanation:

The solution to a system of linear equations is the point where the two lines intersect.

Note that in this case we have two lines with different slope . By definition, if two lines have different slopes and are contained in the same plane, then there will always be an intersection between them at some point in the plane.

Looking at the image, you can see that the lines get closer as x and y increase. Then they will intercept in the first quadrant.

8 0
3 years ago
A pair of shoes cost $120 but they are 25% Off;
Sever21 [200]

Answer:

Discount = $30, Final price = $90

Step-by-step explanation:

25% is one quarter. 120/4=30

One quarter of 120 is 30, so - 30 would give discounted price of $90.

Similarly you could think of it like the discounted price is 75% of the original one and do 120x0.75=90 to find 75% of 120.

Hope this helped!

3 0
3 years ago
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