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Mila [183]
3 years ago
13

I need help please.

Mathematics
1 answer:
pishuonlain [190]3 years ago
7 0

Distributive property means that you have to multiply everything directly outside the parent hes to everything inside the parentheses. For this problem multiply 7 to the 9x and to the -9 like so:

7(9x) + 7(-9)

63x + (-63)

63x - 63

Look at image below if you are still confused

Hope this helped!

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Simplify by dividing (3/5) divided by -4/9
Anton [14]

\bf \cfrac{3}{5}\div \cfrac{-4}{9}\implies \cfrac{3}{5}\cdot \cfrac{9}{-4}\implies \cfrac{27}{-20}\implies -1\frac{7}{20}

8 0
3 years ago
Help me, brother!!.!.!.!
alexandr1967 [171]

Slope-intercept form: y = mx + b (m is the slope, b is the y-intercept or the y value when x = 0 -->  (0, y))

To find the slope(m), you can use the slope formula and plug in 2 points:

m=\frac{y_2-y_1}{x_2-x_1}

(x₁ , y₁) = (0, 2)

(x₂ , y₂) = (4, 5)

m = \frac{5-2}{4-0}

m = \frac{3}{4}

[slope is also m=\frac{rise}{run}  "rise" is the number of units you go up(+ number) or down(negative number). "run" is the number of units you go to the right. If your slope for example is 2, you go up 2 units and to the right 1 unit. If your slope is -2, you go down 2 units and to the right 1 unit.]

^ you could just look at the graph and see how many units a point goes up or down and to the right to get to the next point (goes up 3, to the right 4)

y=\frac{3}{4} x+b  To find b, plug in either of the 2 points into the equaation

(0,2)

2=\frac{3}{4}(0)+b

2 = b

y = \frac{3}{4}x + 2

3 0
3 years ago
Pls help!!!
Elenna [48]

Answer:

The range is {1,3,4,7}

Step-by-step explanation:

The range is the output

f = {(2,3), (5, 7), (3, 3), (5, 4), (9, 1))

The range is {3,7,3,4,1}

We normally list the numbers in order from smallest to largest and do not list duplicates

The range is {1,3,4,7}

5 0
4 years ago
Line that is parallel to y= -3/2x-1
VLD [36.1K]

Answer:

See below.

Step-by-step explanation:

There is an infinite number of lines parallel to y = -3/2x - 1.

They have the same slope, -3/2, and a different y-intercept.

Examples:

y = -3/2x + 1

y = -3/2x

y = -3/2x - 5

6 0
3 years ago
Plot the following radian measures on the given unit circle
son4ous [18]

By our very goofy system the circle constant \pi denotes half a circle, 180^\circ. So the conversion factor from radians to degrees is


\dfrac{ 180^\circ}{\pi}


\dfrac{\pi}{3} \times \dfrac{ 180^\circ}{\pi} = 60 ^\circ


Calling the rightmost dot [1] and counting counterclockwise, that's dot [4].


\dfrac{2\pi}{3}  \times \dfrac{ 180^\circ}{\pi} = \dfrac{2}{3} \times 180^\circ = 120^\circ


That's dot [6]


\dfrac{4\pi}{3} \times \dfrac{ 180^\circ}{\pi} = \dfrac{4}{3} \times 180^\circ = 240^\circ


That's dot [12]


\dfrac{5\pi}{3} \times \dfrac{ 180^\circ}{\pi} = \dfrac{5}{3} \times 180^\circ = 300^\circ


That's dot [14]





5 0
3 years ago
Read 2 more answers
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