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kondaur [170]
3 years ago
5

I need to factor ab-2b+ac-2c

Mathematics
2 answers:
xeze [42]3 years ago
8 0
The answer is (a-2)(b+c)


melamori03 [73]3 years ago
4 0
Factor out the greatest common factor from each group.Group the first two terms and the last two terms.Factor out the greatest common factor (GCF) from each group. the greatest common factor, <span><span>a<span>−2</span></span><span>a<span>-2</span></span></span> .<span><span><span>(<span>a<span>−2</span></span>)</span><span>(<span>b+c</span>)</span></span><span><span>a<span>-2</span></span>⁢<span>b+<span>c</span></span></span></span>
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How do you 3rd root a number
zepelin [54]
Ex: 7^3=(7×7×7) --- 7×7=49×7=343
7 0
3 years ago
Find the values of a through e that make these two relations inverses of each other.
yuradex [85]

Answer:

hmm I'm pretty sure a is 3.2

4 0
1 year ago
Click on the graph below to create a quadrilateral with vertices at the following points. (-4,9), (-8,9), (-9,7), (-9, 4)​
Shalnov [3]

Given (-4,9) (-8,9),(-9,7,(-9,4)

...

To Find : plot the point and draw quadrilateral

Solution:

(-4,9)

go 4 left of origin and then go 9 up

(-8,9)

go 8 left of origin and then go 8 up

(-9,7)

go 9 left of origin and then go 7 up

(-9,4)

go 9 left of origin and then go join (-4,9) with (-8,9) and (-9,4) 4 up

join (-9,7) with (-8,9) and (-9,4)

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4 0
2 years ago
Sam chose one marble from a bag containing 2 red marbles, 3 white marbles, and 10 black marbles. Find the probability that the m
Anvisha [2.4K]

Answer:

P(black) = 2/3

Step-by-step explanation:

We need to find the total number of marbles

2 red marbles+ 3 white marbles+ 10 black marbles = 15 marbles


To find the probability that Sam chose a black marble, we take the number of black marbles and divide by the total number of marbles

P(black) = black marbles/total marbles

            = 10/15

Divide the top and bottom by 5

            = 2/3

7 0
3 years ago
Let the random variable Q represent the number of students who go to a certain teacher's office hour each day. The standard devi
postnew [5]

Answer: А. On average, the number of students going to an office hour varies from the mean by about 2.2 students

Step-by-step explanation:

The standard deviation is a measure of spread, which gives how values deviate from the average or mean value of a particular distribution. Hence, the standard deviation is usually defined about the average value of a distribution.

Therefore, for a certain random variable representing the number of student who visits office hours, the standard deviation will be defined about the average or mean value of the random variable Q.

Thus, stated as ; number of students going to an office hour varies from the mean by 2.2 on average.

4 0
2 years ago
Read 2 more answers
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