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3 years ago

Which of the statements is false about the additive identity?

Mathematics

1 answer:

RUDIKE [14]3 years ago

3 0

B) If y is the additive identity is 0

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What are the intercepts of the line X - 3Y = 9? A. X - intercept: -3 ; Y - intercept: -9 B. X - intercept: 3 ; Y - intercept: 9

masya89 [10]

X-3y=9
-3y=-x+9
Divide by -3
Y=1/3x+3
Slope is 1/3x
Y intercept is 3
X intercept is 9

7 0

3 years ago

Asia and taryn each had the same amount of money. after asia spent $14 and taryn spent $22, the ratio of asia's money to taryn's

blagie [28]

It is given in the question that

Asia and taryn each had the same amount of money. after asia spent $14 and taryn spent $22, the ratio of asia's money to taryn's money was 4 to 3.

Let , initially, they both have $x each .

So according to the given question ,

$\frac{x-14}{x-22} = \frac{4}{3}$

Cross multiplication

$3(x-14) = 4(x-22)
\\
3x-42 = 4x-88
\\
88-42 = 4x-3x
\\
x = 46$

Therefore , initially, they both have $46 each .

7 0

3 years ago

Help asap ------------------------------

Grace [21]

Answer:

(0,-41)

Step-by-step explanation:

Let see if this table of values are proportional.

All x values decrease by -9.
All y values decrease by -19.

This mean that the function is proportional. This also gives us the slope which is 19/9.

This tell us that this function will be a linear function since we are trying to find the y intercept we would use this equation

We know the slope and we know a point so let use point slope form to find the intercept.

$y - y _1= m(x - x _1)$

Let use points (-18,-79) and let m =19/9.

$y + 79 = \frac{19}{9} (x + 18)$

$y + 79 = \frac{19}{9} x + 38$

$y = \frac{19}{9} x - 41$

This is in slope intercept form so the y intercept is

$- 41$

The answer is -41.

6 0

3 years ago

4^0.5= Choices -2 1/2 2

IgorC [24]

Answer:

$2$

Step-by-step explanation:

$4=2^2$

$\left(2^2\right)^{\frac{1}{2}}$

$\left(2^2\right)^{\frac{1}{2}}=2^{2\cdot \frac{1}{2}}$

$2^{2\cdot \frac{1}{2}}=2$

$2$

4 0

3 years ago

Read 2 more answers

Geometry math question no Guessing and Please show work

JulijaS [17]

If we see the protractor, we ill see that there is a horizontal line and a slant line. We have to see where the slant line touches the protractor. And as we see that the slant line touches the protractor at two angles which are 150 degree and 30 degree. But since the angle is acute , so 150 degree is not possible . So the correct option is 30 degree.

8 0

3 years ago