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Molodets [167]
2 years ago
7

What is the answer for (-3)+4x +2+2x +2x

Mathematics
1 answer:
sineoko [7]2 years ago
8 0

Answer:

<h2>(-3) + 4x + 2 + 2x + 2x = 8x - 1</h2>

Step-by-step explanation:

(-3) + 4x + 2 + 2x + 2x     <em>combine like terms</em>

= (4x + 2x + 2x) + (-3 + 2)

= 8x - 1

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vampirchik [111]

Answer: The first one

Explanation: Is that right don't just rely on me haha if I helped u tell me please

6 0
2 years ago
Read 2 more answers
You roll a pair of six-sided number cubes, numbered 1 through 6. What is the probability of rolling two odd numbers? (Enter your
lbvjy [14]

Answer:

1/4 or 25%

Step-by-step explanation:

The probability for rolling an odd number is 50% or  \frac{1}{2} because there are 3 odd numbers, (1, 3, 5) and 6 total outcomes (1, 2, 3, 4, 5, 6). \frac{3}{6} =\frac{1}{2}

The probability for rolling two odd numbers in a row is

\frac{1}{2} *\frac{1}{2} =\frac{1}{4}

So, the probability of rolling an odd number twice is 25% or  \frac{1}{4}.

8 0
3 years ago
What is the variance of the data set? 8, 9, 10, 16, 17
adoni [48]
Mean = (8 + 9 + 10 + 16 + 17) / 5 = 60/5 = 12.

x - mean:

8 - 12 = -4,  -4² = 16

<span>9 - 12 = -3,  -3² = 9
</span>
<span>10 - 12 = -2,  -2² = 4
</span>
<span>16- 12 = 4,  4² = 16</span>

<span>17- 12 = -5,  -5² = 25
</span>
Sum of the squares =   16 + 9 + 4 + 16 +25 = 70

Variance = 70/5 = 14

Variance = 14
6 0
2 years ago
5x-3x+7=3x-1<br><img src="https://tex.z-dn.net/?f=4r%20%2B%20%20%5Cfrac%7B2%7D%7B4%7D%20r%20%2B%2014%20%3D%205r%20-%20%20%5Cfrac
nirvana33 [79]

1). 5x-3x+7 = 3x-1

2x + 7 = 3x - 1

3x-2x=7+1

x=8

2)

4r +  \frac{2}{4} r + 14 = 5r -  \frac{3}{4} r + 1 - 3\\ \\5r-4r-\frac{3}{4} r -  \frac{2}{4} r = 14-1+3\\ \\r-\frac{5}{4}r =16\\ \\\frac{4}{4}r-\frac{5}{4}r =16\\ \\-\frac{1}{4}r=16\\ \\ r=-64

5 0
3 years ago
Find the area of this compound shape.
RSB [31]

Answer:

512

Step-by-step explanation:

We can break this shape into two pieces and create a square and rectangle.

We then get the area of square by multiplying 16 by 16.

We can also get the area of rectangle by doing 8 *32

Finally we add then together. 256 + 256 = 512

4 0
3 years ago
Read 2 more answers
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