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erica [24]
2 years ago
15

3x-y=7 2x+3y=12 how do you solve?

Mathematics
1 answer:
Dvinal [7]2 years ago
6 0

Step-by-step explanation:

2x+3(-7+3x)=12

x=3

y=-7+3x3

y=2

(x,y)=(3,2)

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X^2+ 6x + 8<br> Vertex:<br> Axis of symmetry:<br> Y-intercept:<br> X-intercept:
Bogdan [553]

Answer:

( + 2 ) ( + 4 )

Step-by-step explanation:

4 0
3 years ago
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Each side of a sandbox is 7 feet long. It will cost $1.00 per square foot to replace the sand in the sandbox. What would be the
arlik [135]

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each foot is $1, so times 7 is 7 dollars.

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Plant Type Number tomato 8 squash 4 cucumber 16 rosemary 22 he The table above shows the number of each type of plant in Robert'
kramer

Answer:

C. 25:4

Step-by-step explanation:

Total number of plants in Robert's garden = 8 + 4 + 16 + 22

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4 0
3 years ago
1. Given the following relation, determine the inverse relation.
gayaneshka [121]

Answer:

1. a

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Step-by-step explanation:

1. Since there is one value of y for every value of x in (−1,0),(−4,5),(3,2),(−3,5), this relation is a function.

2. To find the inverse, interchange the variables and solve for y.

f^{-1} (x)=\frac{x}{2} +2

5 0
2 years ago
You deposit $400 in an account earning 2% interest compounded annually. How much will you have in the account in 20 years?
iVinArrow [24]

Answer:

Approximately $594.38

Step-by-step explanation:

Use the formula: y = a(1 + r)^t
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r is the percent of interest in decimal form
t is the time in years
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Substitute the values given in the problem into the equation:
400(1+0.02)^20
Use a calculator or solve manually
Around 594.38

6 0
1 year ago
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