4 years ago

which graph represents a line with a slope of -2/3 and a y-intercept equal to that of the line y=2/3x-2

Mathematics

2 answers:

Natali [406]4 years ago

3 0

Answer: the first one

Step-by-step explanation:

harina [27]4 years ago

3 0

Answer:

A or the first one on the left

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In a jar, the numbers of white, black and red marbles are in ratio of 5:11:8. If the total number of marbles is 144, then how ma

iris [78.8K]

Answer:48 red marbles

Step-by-step explanation:

144÷24= 6

6*5= 30 white

6*11= 66 black

6*8= 48 red

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3 years ago

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In the linear equation y=4x +2, the value “2” represents which of the following?

s2008m [1.1K]

Answer:

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3 years ago

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-1/2 + 2/3 ????????????????????????????????

Free_Kalibri [48]

Answer:

2/6 or simpler 1/3

Step-by-step explanation:

6 0

4 years ago

Henry drew the model below of his yard. He said the perimeter of the yard is 48 feet. He knows that one side is 9 feet wide. How

saw5 [17]

Answer:

15 feets

Step-by-step explanation:

Perimeter of a rectangle = 2(l + w)

l = Length ; w = width

Perimeter, p = 48

Length of all sides

p = 2(l + w)

48 = 2(l + 9)

48 = 2l + 18

48 - 18 = 2l

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8 0

3 years ago

The following table shows the probability of rolling the numbers 1 through 7

Marysya12 [62]

Answer:

2.0

Step-by-step explanation:

Couldn't really understnd what you wrote but I'll assume it's the standard deviation of a fair, 7-sided die

The standard deviation is just the square root of the variance (which is just the second moment minus the first moment squared)

The first moment (AKA the average is..)

$\frac{1+2+3+4+5+6+7}{7}=4$

The second moment is..

$\frac{1^2+2^2+3^2+4^2+5^2+6^2+7^2}{7}=20$

$\sqrt{20-4^2}=2$

4 0

3 years ago