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katen-ka-za [31]
3 years ago
14

Using your own words, explain direct and inverse proportionality. (Be sure to use complete sentences.)

Mathematics
2 answers:
Lerok [7]3 years ago
7 0
The number of pencils is directly proportional to the cost. ... Two values x and y are inversely proportional to each other when their product xy is a constant (always remains the same). This means that whenx increases y will decrease, and vice versa, by an amount such that xyremains the same.
ANEK [815]3 years ago
7 0

Answer:

if y is directly proportional to x with constant of proportionality k

y=kx

if y is inversely proportional to x with constant proportionality k

y=k/x

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Does 6 to 10 and 15 to 25 make a proportion ?
Kisachek [45]

Answer:

Yez

Step-by-step explanation:

Yes

5 0
3 years ago
Read 2 more answers
Please help and show work!!
Sergio [31]

A(-2, 2), B(4, 2), C(-6, -1), D(0, -1)

AB = CD = 4 - (-2) = 4 + 2 = 6

BD = AC. Use the formula of a distance between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Substitute the coordinates of the points B and D:

d=\sqrt{(-1-2)62+(0-4)^2}=\sqrt{(-3)^2+(-4)^2}=\sqrt{9+16}=\sqrt{25}=5

BD = AC = 5

The perimeter of parallelogram ABCD:

P = 2 · 6 + 2 · 5 = 12 + 10 = 22

<h3>Answer: a. 22 units.</h3>
6 0
3 years ago
Need help asap on this
BabaBlast [244]
Can't see the picture that we'll
5 0
3 years ago
I REALLY NEED HELP IF YOU CAN PLEASE SHOW WORK SO I CAN UNDERSTAND
Evgesh-ka [11]

Answer:

G

Step-by-step explanation:

The number of total bottles sold on that day is 40

11 + 7 + 18 + 4 = 40

On Tuesday, theoretically, this is what will be sold:

22 bottles of apple juice

14 bottles of cranberry juice

36 bottles of orange juice

8 bottles of pineapple juice

We need to find out what doesn't fit the data.

F: 14 - 8 = 6, not correct answer

G: the number of cranberry juice will be 6 times the number of pineapple juice sold? It's not even twice the amount!

H: 36 + 14 = 50, not correct answer

J: 22 - 8 = 14, not correct.

From this, G is the correct answer as it is not even close to matching the data.

3 0
3 years ago
Write the following as an inequality. X is less than or equal to 8 and greater than or equal to 4
Sunny_sXe [5.5K]

Answer: 4 ≤ x ≤ 8

Step-by-step explanation:

8 is greater or equal to x but for is less than or equal to x so it could be 8 - 4

6 0
3 years ago
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