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d1i1m1o1n [39]
3 years ago
11

Please help me on this for my quiz: If the point (2, -10) lies on the graph of a direct variation, which represents the direct v

ariation equation?
Mathematics
1 answer:
Irina18 [472]3 years ago
3 0

Answer:

k = -5

Step-by-step explanation:

Direct variation formula:

y = kx

Given:

x = 2

y = -10

Work:

y = kx

-10 = 2k

k = (-10)/2

k = -5

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Which statement(s) about the graph are correct? Select ALL that apply.
hoa [83]

Answer: B and D are correct.

Step-by-step explanation:

A is wrong because they will eventually intersect (the arrows show that the line continues on).

B is correct; that is where they will intersect.

C is wrong because they only intersect at one point, and that's where the solution is.

D is correct because they intersect once and have only one solution.

3 0
3 years ago
Three of the following statements are true. Which one is NOT true? <br> |-12| &gt; 1
san4es73 [151]
|-12| is greater than 1

The absolute value brackets make the -12 positive, 12>1.

True
5 0
1 year ago
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Today, everything at a store is on sale. The store offers a 20% discount. Write an equation for this situation in terms of y.
SpyIntel [72]

The discount price will be 0.8X dollars.

Step-by-step explanation:

Given,

Price of an item = X dollars

Discount = 20%

Amount of discount = 20% of Price of item

Amount of discount =  

Price of item after discount = Price of item - Amount of discount

Price of item after discount = X-0.2X = 0.8X dollars

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Keywords: discount, subtraction

8 0
3 years ago
/PLEASE/ Help!!
Lubov Fominskaja [6]
The answer usually question what does this question do you think Association
6 0
3 years ago
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What is the value of x, the side length of the smallest square (please show work) Thanks!
Ratling [72]

Answer:

8 cm

Step-by-step explanation:

Ok lets on the biggest square we have 17 cm

17cm is the hypotenuse for the right triangle

The second largest's area is 225 cm^2

Sq root of 225 cm^2, is 15

To find x, lets plug the info we have to the pythagorean theorom

a^2 + b^2 = c^2\\a^2 + 15^2 = 17^2\\a^2 + 225 = 289\\\\289 - 225 = a^2\\64=a^2\\a = 8 cm

The side length of the smallest Square is 8 cm

If my answer is incorrect, pls correct me!

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3 years ago
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