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taurus [48]
3 years ago
11

Someone, please help !! these are direct and inverse variations, algebra 2. i need them asap !

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
3 0

Answer:

3, 20, 2, and 2.5

Step-by-step explanation:

For each question, they gave you an x and y value. If you substitute them into the equation and then solve for k, you get your answer.

On the first one, x is 12 and y is 1/4. If you put those into the equation they gave you y = k/x, you get 1/4 = k/12

3/12 is 1/4 so the first k is 3.

Second one y = k/x. x is 4 and is 5. So 5 = k/4

20/4 is 5, so the second k is 20.

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Can someone help !!
Alexus [3.1K]

Answer:

the answer is 95

Step-by-step explanation:

you divide 90 by 36 to get 2.5 then times that by 38

4 0
3 years ago
A)-124<br> B)-18<br> C)-36<br> D)-96
Artemon [7]

Answer:

It's Either B Or D

Step-by-step explanation:

only because They Only number that are closer so you can reverse it is 18 or 96

5 0
4 years ago
Can someone please answer this question answer it correctly and show work please
mrs_skeptik [129]

Answer:

$1,216

Step-by-step explanation:

Costs for Handsome Homes fabric

Area (sq. ft.)   Cost (dollars)

        (x)                  (y)

       250               475

       500               950

       750               1,420

       1000             1,900

If you divide any y-value by its corresponding x-value, the quotient will be 1.9

This means that each square foot costs $1.90 at Handsome Homes

Discount Diggers = 20% per sq. ft. less than Handsome homes

Discount Diggers = $1.90 - 20%

Discount Diggers = $1.90(100 - 20%)

Discount Diggers = $1.90(0.8)

Discount Diggers = $1.52

Now that it is known how much 1 square foot of fabric costs at Discount Diggers, we need to find how much 800 square feet of fabric costs.

$1.52 = 1 sq. ft.

$1.52(800) = 800 sq. ft.

$1,216

800 square feet of landscape fabric at Discount Diggers costs $1,216

Hope this helps :)

5 0
3 years ago
Find the area of EBCD using (a) and (b).
ioda

I hope this helps you

6 0
3 years ago
I need the lines slope
Vedmedyk [2.9K]

Step-by-step explanation:

For every 3 squares across, the line goea down 1 square.

Hence the slope is -1/3.

8 0
3 years ago
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