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4 years ago

If QRS = TUV, what must be true about

Mathematics

1 answer:

Bess [88]4 years ago

4 0

I think c it also could be b

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Solving Quadratic Equations

NISA [10]

Answer:

a) x= 5 or x= -3

b) x = -4 + $\sqrt{26}$ or -4 - $\sqrt{26}$

Step-by-step explanation:

a) $x^{2}$ - 2x - 15 =0

x = $\frac{-(-2) +\sqrt{(-2)^{2} - 4(1)(-15)}}{2(1)}$ or $\frac{-(-2) -\sqrt{(-2)^{2} - 4(1)(-15)}}{2(1)}$

x= 5 or x=-3

b) $x^{2}$ + 8x - 10 =0

x = $\frac{-(8) +\sqrt{(8)^{2} - 4(1)(-10)}}{2(1)}$ or $\frac{-(8) -\sqrt{(8)^{2} - 4(1)(-10)}}{2(1)}$

x = -4 + $\sqrt{26}$ or -4 - $\sqrt{26}$

7 0

3 years ago

The graph of linear function k passes through the points (-3, 0) and (1, 8).

Pepsi [2]

Answer:

-3,0

Step-by-step explanation:

7 0

3 years ago

9/11=?/22<br> A.12<br> B.4<br> C.9<br> D.18

Yanka [14]

9/11 is equal to 18/22, so then D.

8 0

4 years ago

What does a decimal between two fractions mean

Anni [7]

Answer:

Multiplication

Step-by-step explanation:

I think what you're talking about is not a decimal, but a multiplication point:

$\frac{1}{2} \: . \: \frac{3}{4}$

This dot can donate multiplication when in the middle of two numbers and/or fractions.

But if you're talking about some other point, then I don't know, sorry. :(

6 0

3 years ago

Read 2 more answers

Identify the systems of equations that have A as their point of interpretation.

PtichkaEL [24]

X/y (3/-1 just look at where the a is if it is o. ln the x axis or y axis then look to see if it's positive or negative

5 0

4 years ago