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Andre45 [30]
3 years ago
13

A number increased by 12% gives 95.2. What is the number​

Mathematics
1 answer:
jenyasd209 [6]3 years ago
6 0

Answer:

Let original no be x.

according to the question,,

x+(12/100)x =95.2

taking lcm

(112/100)x=95.2

on solving by cross multiplying

x=85

Step-by-step explanation:

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Answer:

2

Step-by-step explanation:

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4 0
3 years ago
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Concur Technologies Inc is a large expense-management company located in Redmond Washington. The wall street Journal asked Concu
klio [65]

Answer:

Step-by-step explanation:

Hello!

Given the variables

X: daily hotel room rate

Y: amount spent on the entertainment

See second attachment for scatter plot.

The population regression equation is E(Yi)= α + βXi

To estimate the y-intercept and the slope of the regression equation you have to apply the following formulas:

b= \frac{sum XY-\frac{(sumX)(sumY)}{n} }{sumX^2-\frac{(sumX)^2}{n} }

a= Y[bar]-bX[bar]

n= 9; ∑X= 945; ∑X²= 103325; ∑Y= 1134 ∑Y²= 148804; ∑XY= 123307

X[bar]= ∑X/n= 945/9= 105

Y[bar]= ∑Y/n= 1134/9= 126

b= \frac{123307-\frac{945*1134}{9} }{103325-\frac{(945)^2}{9} }= 1.03

a= 126 - 1.03*105= 17.49

^Y= 17.49 + 1.03Xi

Slope interpretation: The estimated average amount spent on entertainment increases 1.03 every time the daily hotel room rate increases one unit.

If the room rate for Chicago is $128 (X), to predict the mount spent in entertainment (Y) you have replace it in the estimated regression line:

^Y= 17.49 + 1.03Xi= 17.49 + 1.03*128= 149.33

The expected amount spent on entertainment for Chicago is $149.33

I hope this helps!

6 0
3 years ago
16.437 rounded to the nearest tenth is 164.
Alex
False.
You are rounding to the nearest tenth place. With your decimal value, 3 < 5, so therefore you cannot round the 4 up to 5. Given this, your correct decimal rounded to the nearest tenth = 16.400
7 0
3 years ago
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alina1380 [7]

Answer:

slope=3,y-intercept=6

Step-by-step explanation:

Slope is the rate of change so It is an independent variable and has an x at the end

The y-intercept is the initial value which is technically the start off and the number 6 seems to be a dependent variable.

7 0
3 years ago
Of the pizzas recently sold at Pizza Pies, 6 had pepperoni and 26 did not. Considering this data, how many of the next 16 pizzas
kondaur [170]

Answer:

8 pizzas

Step-by-step explanation:

3 0
3 years ago
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