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UNO [17]
3 years ago
15

The length of a rectangle is 4 more than twice the width of the rectangle. The perimeter of the rectangle is 92 centimeters. Fin

d the length of the rectangle
Mathematics
2 answers:
Greeley [361]3 years ago
5 0
X=length
2(2x+4)+2x=92
4x+8+2x=92
6x+8=92
-8. -8
6x=84
/6. /6
X=14

Hopefully I did that correctly
neonofarm [45]3 years ago
4 0
Width = x
2(2x + 4) + 2(x) = 92

I think
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Neil mixes 110 liter of red paint with 310 liter of yellow paint. How many liters of paint does Neil have after mixing the paint
Zolol [24]

Answer:

He has 420 liters of paint.

Step-by-step explanation:

all you have to do is add 110 = 310

5 0
3 years ago
A medical clinic is randomly selecting three staff members to attend a conference. The clinic employees include 7 nurses, 3 doct
Mandarinka [93]

Answer:

50%

Step-by-step explanation:

7 nurses

3 doctors

4 offices

14 in total

7/14 or 50% is the probability

6 0
2 years ago
Listed below is data on profit and market capitalization for a sample of 15 different firms in U.S. Profit is the y variable and
MissTica

Answer:

Step-by-step explanation:

Hello!

You have two study variables:

Dependent variable

Y: Profit of the firm in the U.S.

Independent variable

X: Market capitalization of the firm

a.

See the scatterplot in the attachment.

Looking at the graphic it seems that there is a positive regression between the profit and the market capitalization, meaning that every time the market capitalization of the firm increases, the profit of this firm also increases. But not all the "firms" adjust linearly, so I wouldn't expect the regression to be powerful.

b.

The regression model is E(Yi)= α + βXi

Where the parameters of the model are α and β, these two parameters are to be estimated to estimate the regression equation. The estimator for α is a and the estimator for β is b:

a= Y[bar] - bX[bar]

b= [∑XY-(∑X*∑Y)/n]/[∑X²-(∑X)²/n]

I'll use a statistic software to calculate the estimated regression equation:

^Yi= a + bXi

^Yi= 325.89 + 0.07Xi

c.

You need to predict the value of Y (Profit) given a value of X= 70721.3 (million). To make this prediction you have to use the estimated equation:

^Yi= 325.89 + 0.07Xi

^Yi= 325.89 + 0.07(70721.3)= 5276.381

The predicted profit for a market capitalization value of 70,721.3 is 5276.381 million.

I hope this helps!

6 0
3 years ago
Find area of trapezoid ​
DochEvi [55]

Answer:

150 sqaure ft

Step-by-step explanation:

okay so the formula for area of a trapezoid is

1/2 (b1 + b2) h

so base one of 15 plus two of 10 os 25 ft

25 feet divided by 2 is 12.5 so 12.5 × 12 is 150

7 0
3 years ago
Read 2 more answers
List all ways to get negative six
liberstina [14]
6 x (-1)

3 x (-2)

(-3) x 2

-6 x 1

-60/10

-6000/1000

-|-6|

-5 + (-1)

-3 + (-3)

-10 + 4

the additive inverse of 6

-6 + 0

0 - 6

5 0
3 years ago
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