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DENIUS [597]
3 years ago
15

How many solutions does the following equation have?

Mathematics
1 answer:
RoseWind [281]3 years ago
5 0

Answer:

There will be No solution for the equation 9x - 4 = - 3x + 5 + 12x. Option B is correct.

Step-by-step explanation:

We need to determine how many solutions the equation 9x - 4 = - 3x + 5 + 12x have.

Solving the equation and finding the solutions

9x - 4 = - 3x + 5 + 12x

Combining like terms, Moving 3x and 12x to left side of equality and changing their signs and moving 4 on right side of equation and changing sign.

9x +3x-12x =  5 + 4

Simplifying

12x-12x =  9\\0=9

Solving the equation we get 0=9 which is false. So, there will be No solution for the equation 9x - 4 = - 3x + 5 + 12x. Option B is correct.

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What percent of the surface area of the ottoman is green not including the bottom .The radius of the ottoman is 22 in and the cu
max2010maxim [7]

Answer:

37%

Step-by-step explanation:

Surface area of a cylinder = πr² + 2πrh

With r = 22 and h = (6 + 10) = 16

Area = π * 22² + 2 * π * 22 * 16

Area = 1520.728 + 2211.968

Area = 3732.696 in²

Percentage of green = surface area of green ÷ total surface area

Surface area of green = 2πrh

Surface area of green = 2 * π * 22 * 10

Surface area of green = 1382.48

Percentage of green = 1382.48 / 3732.696 * 100%

Percentage of green = 37%

6 0
3 years ago
Emily sent 60 texts so far this week. What is 20%of the total number of text messages she is allowed in one week
Rina8888 [55]

Answer:

so we should find the %20 of 60

60.%20=12

Step-by-step explanation:

the answer is 12

hope it helps

6 0
3 years ago
Which of the following are true about regression with one predictor variable (often called "simple regression")? A. After conduc
jeyben [28]

Answer:

A

Step-by-step explanation:

Simple linear regression is a statistical method that summarizes and study relationships between two continuous quantitative variables.

One variable is regarded as the predictor, explanatory, or independent variable and the other variable is regarded as the response, outcome, or dependent variable.

Two variables can be denoted by X and Y.

Among the given options, the correct option is A. After conducting a hypothesis test to test that the slope of the regression equation is nonzero, you can conclude that your predictor variable, X, causes Y

3 0
3 years ago
Which of the following options have the same value as 15% of 20?
AnnZ [28]
Answers are: A, C, D

Note how
(3/20)*20 = 0.15*20 = 3
0.15*20 = 3
(15/100)*20 = 0.15*20 = 3
all expressions lead to the same result of 3

another thing to notice
3/20 = 15/100 = 0.15 = 15%
which are multiple ways to say the same thing just in a different form
5 0
3 years ago
Suppose y varies directly as x and y=36 when x=4 find y when x=11
yarga [219]
It equals 99. 4 times 9 equals 36. 11 times 9 equals 99.
5 0
3 years ago
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