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sergejj [24]
3 years ago
7

Does (3,7) make the inequality 2x+2y<20 true

Mathematics
1 answer:
dangina [55]3 years ago
6 0

Answer:

False

Step-by-step explanation:

Substitute x and y with the numbers in the coordinate pair.

Just as a recap-

3 is the x value

7 is the y value

2(3) + 2(7) = 20

20 < 20

This is not true since 20 = 20

Hence, the answer is false

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Tom,Scott and dawn sold cookies at the school fair.
aleksklad [387]
First of all work out how many tom and scott sold.
tom sold 60% of 90 cookies which is 54.
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altogether the three of them sold 54+100+46 cookies which is 200.
Dawn sold 46 of these 200 cookies. To work out the percentage we have both the numbers to get 23 out of 100. We halved those numbers because a percentage is out of 100 we halved it to get it out of 100.
so 23 out of 100 is 23% so dawn sold 23%of the cookies.

Hope this helps :)
3 0
3 years ago
Solve the system of equations.<br> 3x 2 y = 2<br> x+7y=4
lions [1.4K]
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3 years ago
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Nonamiya [84]

Answer:

False

Step-by-step explanation:

Flip the equation.

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4 0
3 years ago
5. The value of y varies directly with x, and
Kruka [31]

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Step-by-step explanation:

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8 0
3 years ago
A number d minus 2 is less than -1 ?
tamaranim1 [39]

d - 2 < -1 is how this inequality would be displayed.

However, we can solve for the value of d by treating this like a standard algebraic equation.

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The value of d is less than 1.

Let me know if you have any other questions.

5 0
3 years ago
Read 2 more answers
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