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maks197457 [2]
3 years ago
14

Can someone help me with this?

Mathematics
1 answer:
Marina86 [1]3 years ago
3 0
Whichoneplease or all of them
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If x+y=16 and x-y=-2, what is the value of xy?
Fantom [35]

Answer:

Y=7 and

X=9

Step-by-step explanation:

X+Y=16

X=2+Y

2+Y+Y=16

2+2Y=16

2Y=16-2

2Y=14

2Y/2=14/2

Y=7

X =2+Y

So X=9

8 0
1 year ago
What are the coordinates of point P? Please help show steps it’s urgent!
Vlad [161]

Answer:

A (2, -8/5)

Step-by-step explanation:

The answer would be A I believe. This is because to get from C to D, it would be going down 6 and to the right by 10.

To make CP = 3/5CD. We multiply how much we move by 3/5:

-6 * 3/5 = -18/5 (note that the 6 would be negative because its going down)

and 10 * 3/5 = 6

Then we add these values to the coordinates of C:

(-4 + 6,  2 - 18/5) =

(2, -8/5). So A would be the answer.

7 0
3 years ago
One day a store sold 21 sweatshirts. White ones cost $11.95 and yellow ones cost $11.50. In all, $245.55 worth of sweatshirts we
lesantik [10]
One day store cost many color in all three nutrients that sweatshirt
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3 years ago
Elvis and $74 .50 a month.. how much does he earn to the nearest one penny.
sdas [7]

Answer:

Part A

12 months a year means

%74.5 x 12 = $894

Part B

4 weeks in a month means

$74.5 ÷ 4 = $18.625

But rounded to the nearest penny. . .

$18.62

because in the thousandths place was a 5 and you round up when there is a 5 or above

Part C

We will go with 31 days in a month, but I will also do 30 for you

$74.5 ÷ 30 = $2.48333

But rounded to the nearest penny. . .

$2.48

because you round down when there is anything less than a 4

$74.5 ÷ 31 = $2.40322580645

But rounded to the nearest penny. . .

$2.40

because you round down when there is anything less than a 4

3 0
3 years ago
What is the slope of the line on the graph?
Lelechka [254]

Answer:

5,-1,-7

Step-by-step explanation:

7 0
3 years ago
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