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Rzqust [24]
3 years ago
12

The relationship between two variables such that y = kx if k is a nonzero number. Also, as one quantity increases, the second qu

antity increases or as one quantity decreases, the second quantity decreases.
Mathematics
1 answer:
kirill115 [55]3 years ago
6 0

Answer: Direct variation ( your welcome )

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At 9 AM, one share of Starbucks stock was $47. By 1 PM the price was $52. The rate the Starbucks stock value was changing is $ _
jasenka [17]

Answer:

$1.25/hour

Step-by-step explanation:

9am to 1 pm = 4 hours

52-47=5

5/4 = $1.25/hour

8 0
3 years ago
Suppose you deposited ​$100 in a savings account 3 years ago. The simple interest rate is 3.2 %. The interest that you earned in
astraxan [27]
It's not compounded interest, you just get $3.20 every year.
$100 * 0.032 = $3.20
$3.20 * 3 years = $9.60
7 0
3 years ago
there are 239 people in the first six rows of a movie theater if the same number of peopkle are in the next six rows about how m
tester [92]

If the same number of people are in 6 rows, and we're asked to find how many people are in 12 rows, we can simply multiply that number by 2.

<h3>239 * 2 = 478</h3>
8 0
3 years ago
What do you call a triangle with two sides are equal?
VARVARA [1.3K]

Answer:

You would call it a: Isosceles triangle

~hope this has helped have a gr8  day/night!~

Step-by-step explanation:

4 0
3 years ago
Solve the equation by completing the square. 0=4x^2-72x
Butoxors [25]

Answer:

Step-by-step explanation:

First we need to make sure that the leading coefficient is a 1.  Ours is a 4, so we need to factor it out, leaving us with

4(x^2-18x)=0

To complete the square, take half the linear term, square it, then add it to both sides.  But don't forget about that 4 hanging around out front, refusing to be ignored.  Our linear term is 18.  Half of 18 is 9, and 9 squared is 81.  Add 81 into the parenthesis, but what we REALLY added in was 4*81 which is 324:

4(x^2-18x+81)=324

To solve this, we need to get the x terms all by themselves.  So let's divide both sides by 4 to get

x^2-18x+81=81

The process of completing the square created a perfect square binomial on the left.  We will state this binomial now:

(x-9)^2=81

We isolate the x term by taking the square root of both sides:

x - 9 = ±9

From that we have 2 equations:

x - 9 = 9 and x - 9 = -9

Which means that x = 18 or x = 0

6 0
3 years ago
Read 2 more answers
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