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Vanyuwa [196]
3 years ago
13

What type of factoring methods will be used to factor this expression completely?

Mathematics
1 answer:
Trava [24]3 years ago
4 0

Answer:

D

Step-by-step explanation:

{2y}^{2}  - 50

2( {y}^{2}  - 25)

2(y + 5)(y - 5)

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Please help with this problem ​
Svetlanka [38]
The answer should be 25.64$
You multiple that by 8% and then what you get out of it you add on to what you got as the total .
6 0
3 years ago
Read 2 more answers
What is the slope of the line passing through the points (-1,-7) and (-9,-2)?
nalin [4]

Answer: m = -5/8

Step-by-step explanation:

The general equation for slope is rise over run, also known as:

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

From the points (x, y), we can get all the variables we need.

(-1, -7) gives us x1 = -1 and y1 = -7

(-9, -2) gives us x2 = -9 and y2 = -2

If we plug all the values in, we get:

m = (-2 - (-7))/(-9 - (-1))

m = (-2 + 7)/(-9 + 1) the negatives cancel

m = (5)/(-8)

m = -5/8

7 0
3 years ago
The total of 3 suitcases is 127 lb. The gray suitcase weighs 11 lb more than the pink suitcase. The pink suitcase weighs 5 lb th
Gnoma [55]

If the gray suitcase weighs 11 lb more than the pink suitcase, the pink suitcase weighs 5 lb than the blue suitcase, and the total of 3 suitcases is 127 lb, then the blue suitcase weighs 35.3 lb

Let the gray suitcase be represented by g

Let the pink suitcase be represented by p

Let the blue suitcase be represented by b

The gray suitcase weighs 11 lb more than the pink suitcase

g    =   p   +   11........(1)

The pink suitcase weighs 5 lb than the blue suitcase.

p   =  b  +  5

b  =  p  -  5...........(2)

Total of 3 suitcases = 127 lb

p  +  b  +  g    =  127............(3)

Substitute equations (1) and (2) into equation (3)

p  +  p  - 5 + p  +  11   =  127

3p  +  6   =  127

3p   =  127  -  6

3p   =  121

p  =  121/3

p  = 40.3 lb

Substitute p = 40.3 into equation (2)

b = p - 5

b  = 40.3  - 5

b  =  35.3

The blue suitcase weigh 35.3 lb

Learn more here: brainly.com/question/11865047

7 0
3 years ago
(07.01 LC) Amy makes the following statement: "There is a 60% chance of snow tomorrow and a 10% chance I will be late for school
frosja888 [35]
If the events are independent, their joint probability is the product of their individual probabilities.

The probability that it will snow and Amy will be late is .60×.10 = 6%.
6 0
3 years ago
Arla and kal both work in jobs where they get paid by the hour in their first week on the job they each worked 40 hours and toge
valkas [14]

Question is Incomplete;Complete question is given below;

Arla and kal both work in jobs they get paid by the hour in their first week on the job they each worked 40 hours and together there total earnings were $1300 in their second week on the job business was slow so arla worked 20 hours and kal worked 16 hours their total pool earning was $580 what is each persons hourly wage.

Answer:

The hourly wage of Arla is $15 and hourly wage of Kal is $17.5.

Step-by-step explanation:

Let the hourly wage of Arla be 'x'

Also Let the hourly wage of Kal be 'y'

Now Given:

first week on the job they each worked 40 hours and together there total earnings were $1300

So we can say that;

40x+40y=1300   ⇒ equation 1

Also Given:

Number of hours worked by Arla in second week = 20

Number of hours worked by Kal in second week = 16

Total Money earned in second week = $580

So we can say that;

20x+16y=580   ⇒ equation 2

Now Multiplying equation 2 by 2 we get;

2(20x+16y)=580\times2

Applying Distributive property we get;

40x+32y =1160   ⇒ equation 3

Now Subtracting equation 3 from equation 1 we get;

(40x+40y)-(40x+32y)=1300-1160\\\\40x+40y-40x-32y=140\\\\8y=140

Now Dividing both side by 8 we get;

\frac{8y}{8}=\frac{140}{8}\\\\y= \$17.5

Now Substituting the value of y in equation 1 we get;

40x+40y=1300\\\\40x+40\times17.5 =1300\\\\40x+700=1300\\\\40x=1300-700\\\\40x=600\\\\x=\frac{600}{40}\\\\x=\$15

Hence The hourly wage of Arla is $15 and hourly wage of Kal is $17.5.

5 0
4 years ago
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