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exis [7]
3 years ago
5

Triangle PQR has the coordinates P(2,4), Q(-2,4), R(0,-5).

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
4 0

Answer:

I hope I got this correct.

Step-by-step explanation:

Multiply the coordinates by 2.

P(4,8)

Q(-4,8)

R(0,-10)

For the future if you get stuck, multiply the coordinates by the dilation number.

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Pavel [41]
9x=180
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3 years ago
2 d2 + 15d + 23 = 3<br> It’s quadratic formula
DENIUS [597]

Answer:

-15 plus or minus the square root of 65 all over 4 (All over means fraction)

4 0
3 years ago
The concentration of a saline solution is given by the function <img src="https://tex.z-dn.net/?f=C%28x%29%3D%5Cfrac%7B0.2%7D%7B
katrin2010 [14]

Answer:

We have to add 1.86 L of water to make the solution 7% saline.

Step-by-step explanation:

The concentration of a saline solution is given by

                        C(x) = \frac{0.2}{1+x}

where x represents the amount of water used to dilute the solution.

We have to find how much water must be added to obtain a solution that is 7% saline.

If we see the equation we notice that as we add the value of x, the concentration of the solution decreases.

Here C(x) = 0.07

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Rearranging,

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8 0
3 years ago
280 in the ratio 3:5
Sonja [21]

Answer:

105:175

Step-by-step explanation:

3+5 = 8

3/8 of 280 is 105.

5/8 of 280 is 175.

the ratio is 105:175

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3:5

7 0
3 years ago
I need help please ill give you 20 points
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Answer:

B

Step-by-step explanation:

221-60=161 which means that you can be 161 max to ride with your friend in the same car.

7 0
4 years ago
Read 2 more answers
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