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Kisachek [45]
3 years ago
8

Solve for x. I don't know how to do this. Please help.

Mathematics
1 answer:
kompoz [17]3 years ago
7 0
X=15

EXPLANATION:

5x+4+5x+11+x=180

11x+15=180
-15 -15

11x=165
— ——
11 11

x=15
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What is the probability of rolling a 3 on a number cube and tossing tails on a coin?
maks197457 [2]

Answer:

Number cube: 1/6 Tossing tails on a coin: 1/2

A number cube is 6 sided, so the probability would be 1/6.

A coin has 2 sides, heads and tails, so tossing tails would be 1/2.

7 0
3 years ago
Which graph shows the line y - 2 = 2(x + 2)?
klasskru [66]
For this case we have the following linear function:
 y - 2 = 2 (x + 2)

 Rewriting we have:
 y - 2 = 2x + 4

y = 2x + 4 + 2

y = 2x + 6
 We observe that the linear function has:
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See attached image

7 0
3 years ago
What is the slope for this table?
sdas [7]
<h3>Answer:   Slope = -3</h3>

=======================================================

Explanation:

Pick any two rows you want. I'll pick the middle two rows where every value is positive. So I'll pick these two rows:

  • x = 0 and y = 4
  • x = 1 and y = 1

They lead to the points (0,4) and (1,1). Apply the slope formula for these rows.

m = (y2-y1)/(x2-x1)

m = (1-4)/(1-0)

m = -3/1

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6 0
3 years ago
Read 2 more answers
1. Simplify 2/radical 5
cupoosta [38]
1.  (2√5)/5
2.  -44√7
3.  8√17
4.  -6√3+12

For 1:  Multiply the numerator and denominator by √5:
\frac{2}{\sqrt{5}}\times \frac{\sqrt{5}}{\sqrt{5}}=\frac{2\sqrt{5}}{5}

For 2:  Simplify √112:
√112 = √(2*56) = √(2*2*28) = √(4*4*7) = 2*2√7 = 4√7
Now multiply by the -11 coefficient:
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For 3:  Add the radicals as you would variables that are like terms.

For 4:  Multiply by the conjugate.  The conjugate of the denominator has the same values with the sign of the radical changed:
\frac{6}{\sqrt{3}+2}\times \frac{\sqrt{3}-2}{\sqrt{3}-2}=\frac{6(\sqrt{3}-2)}{(\sqrt{3}+2)(\sqrt{3}-2)}&#10;\\&#10;\\=\frac{6\sqrt{3}-6*2}{\sqrt{3}*\sqrt{3}-2\sqrt{3}+2\sqrt{3}-2*2}&#10;\\&#10;\\=\frac{6\sqrt{3}-12}{3-4}=\frac{6\sqrt{3}-12}{-1}=-6\sqrt{3}+12
7 0
3 years ago
(PLEASE HELP MATH QUESTION
saveliy_v [14]
I believe the answer you want is the third option
6 0
4 years ago
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