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Pani-rosa [81]
4 years ago
15

Solve the following quadratic equation

Mathematics
1 answer:
scoray [572]4 years ago
5 0
Here's your answer
omg omg omg the answers is so amazing omg send me some thanks okay omg omg

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-2x+8x=20 ans can you please include the steps. Thank you
sladkih [1.3K]

Hope this helps :).    

3 0
4 years ago
Read 2 more answers
Jake bought some shirts for $6 each. Andy bought some shirts for $8 each. The boys spent the same amount of money on shirts. Wha
-BARSIC- [3]

Answer:

$24, $48, $72

Step-by-step explanation:

Given that :

Jake: cost per shirt = $6

Andy : cost per shirt = $8

Bith spent same amount of money on shirt purchase :

Amount of money they could have spent :

Obtain the factors common to both 6 and 8

Factors of :

6 : 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72

8 : 8, 16, 24, 32, 40, 48, 56, 64, 72

$24, $48, $72,....

4 0
3 years ago
Choose the symbol that correctly compares the fractions below . 1/5 ? 4/5
icang [17]

Answer:

c

Step-by-step explanation:

4/5 is greater than 1/5

3 0
3 years ago
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How do you do...<br> cos2x-sin2x=1-2sin2x
Bess [88]
sin (2 \alpha) =2\cdot sin  \alpha \cdot cos  \alpha \\cos(2 \alpha )=1-2sin^2  \alpha \\-------------------- \\cos2x-sin2x=1-2sin2x\\cos2x+sin2x=1\\1-2sin^2x+2sinx\cdot cosx=1\\-2sinx(sin x-cosx)=0\\ -2sinx=0\ \ \ \ or\ \ \ \ sinx-cosx=0\\\\1)\ -2sinx=0\ \ \Leftrightarrow\ \ sinx=0\ \ \Leftrightarrow\ \ x_1=k \pi \ \ and\ \ k\in I\\2)\ \ sinx-cosx=0\ \ \Leftrightarrow\ \ sinx=cosx\ /:cosx\ \ \ \ \ \wedge\ \ \ \  cos x \neq 0\\tanx=1\ \ \Leftrightarrow\ \ x_2= \frac{ \pi }{4} +k \pi \ \ and\ \ k\in I
3 0
4 years ago
Please answer this question now in two minutes
anygoal [31]

Answer:

A. 17.5

Step-by-step explanation:

4x+8 27

L-------------M-------------------------N

<------------------ 6x -------------------->

LM = 4x+8

MN = 27

LN = 6x

LM + MN = LN

4x+8 + 27 = 6x

35 = 2x

17.5 = x

6 0
3 years ago
Read 2 more answers
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