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____ [38]
3 years ago
11

Gọi S là tập các giá trị nguyên của tham số m trong khoảng (–20;20) để bất phương

Mathematics
1 answer:
Pie3 years ago
5 0

Answer:

i cannot understand

Step-by-step explanation:

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(x+5)2−(x−2)=A<br> Need help!
valkas [14]
IF YOUR SOLVING FOR A THE ANSWER WOULD BE A=X+12

IF YOUR SOLVING FOR X IT WOULD BE X=-12+A
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3 years ago
What is the value of v?<br> (This is 7th-grade math btw)
lisabon 2012 [21]

Answer:

Step-by-step explanation:

v = 40° ( being vertically opposite angles )

3 0
3 years ago
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Jerry has a string of lights. Give a fraction that represents each point on the string compared to the whole.
viva [34]

The fraction that represents the position of each light in the string is ...

     (the number of THAT light from the beginning of the string)
divided by
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6 0
3 years ago
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Simplify each expression.
Vitek1552 [10]

Answer:

a) putting the equation through each step the answer will be -118

4 0
3 years ago
Help with number 50 please. Thanks.
Blizzard [7]

Answer:

d = 7 + 3\sqrt{3} and

d = 7 - 3\sqrt{3}

Step-by-step explanation:

To solve the equation, d^2 - 14d - 22 = 0, using the quadratic formula,

Recall: quadratic formula = \frac{-b ± \sqrt{b^2 - 4ac}}{2a}

Where,

a = 1

b = -14

c = 22

Plug in your values into the formula and solve:

\frac{-(-14) ± \sqrt{(-14)^2 - 4(1)(22)}}{2(1)}

\frac{14 ± \sqrt{196 - 88}}{2}

\frac{14 ± \sqrt{108}}{2}

d = \frac{14 + \sqrt{108}}{2}

d = \frac{14 + 6\sqrt{3}}{2}

d = (\frac{2(7 + 3\sqrt{3})}{2}

d = 7 + 3\sqrt{3}

And

d = \frac{14 - \sqrt{108}}{2}

d = \frac{14 - 6\sqrt{3}}{2}

d = (\frac{2(7 - 3\sqrt{3})}{2}

d = 7 - 3\sqrt{3}

4 0
3 years ago
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