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salantis [7]
3 years ago
13

Which two numbers below have a least common multiple of 48?

Mathematics
1 answer:
gladu [14]3 years ago
3 0

Answer:

D) 3 and 16

Step-by-step explanation:

A common multiple is the result of multiplicacion of two numbers

3x16= 48

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Someone please helppppp!
zloy xaker [14]

Answer:

AB=24.5

Step-by-step explanation:

5x+7=7x

7=2x

x=3.5

7(3.5)=24.5

6 0
3 years ago
Which of the following sets of points is a direct variation?
Gwar [14]

Answer:

the second set of points are the direct variation. they are multiplied by -1

4 0
3 years ago
A manager is assessing the correlation between the number of employees in a plant and the number of products produced yearly. Th
Contact [7]

Answer:

A)there is a strong positive correlation

B)A function that best fits the data is \widehat{y}=6x+10

C)Slope indicates the rate of change of Number of products per employee

y intercept indicates number of products when number of employees are 0

Step-by-step explanation:

Number of employees (x) 0  25  50  75  100  125  150  175  200

Number of products (y)   10 160 310 460 610 760 910 1060 1210

Part A: Is there any correlation between the number of employees in the plant and the number of products produced yearly?

Mean of x values = \frac{0+25 + 50 + 75 + 100 +  125 + 150 + 175 + 200}{9}=900

Mean of y values = \frac{10+160+ 310+ 460+ 610+ 760+ 910+ 1060+ 1210}{9} =610

\sum(x-\bar{x})^2= 37500

\sum(y - \bar{y})^2 = 1350000

N =No. of observations= 9

\sum(x - \bar{x})(y-\bar{y}) = 225000

R Calculation

r = \frac{\sum((x-\bar{x})(y - \bar{y}))}{\sqrt{\sum(x - \bar{x})^2(y-\bar{y})^2}}

r=\frac{225000}{\sqrt{(37500)(1350000)}}\\r= 1

So, there is a strong positive correlation

B: Write a function that best fits the data.

Regression Equation = ŷ = bx + a

b = \frac{225000}{37500} = 6\\a = \bar{y} -b \bar{x} = 610 - (6 \times 100) = 10\\ \widehat{y}= 6x + 10

So, a function that best fits the data is \widehat{y}=6x+10

C)What does the slope and y-intercept of the plot indicate?

Slope indicates the rate of change of Number of products per employee

y-intercept indicates the y-coordinate of a point where a line, curve, or surface intersects the y-axis.

So, y intercept indicates number of products when number of employees are 0 .

8 0
4 years ago
Write the expression in complete factored form. 2a(u+2)+9(u+2)=
KIM [24]

Answer:

(u+2)(2a+9)

Step-by-step explanation:

2a(u+2)+9(u+2)

Taking (u+2) common

We get

(u+2)(2a+9)

5 0
3 years ago
Solve 5a - 4a = -9 - 8a
Elena-2011 [213]
5a - 4a = -9 - 8a
a = -9 - 8a
9a = -9
a = -1
3 0
3 years ago
Read 2 more answers
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