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Olenka [21]
2 years ago
11

SLOPE OF A LINE Directions : The slope of a line measures the steepness of a graph . To calculate the slope , you must find the

quot of the rise and of the line . The rise measures the vertical change , or change in y - coordinates , between the tw points . The run measures the horizontal change , or change in x - coordinates , between the two points . Find the sle of each line below You can express the stope as a Rise 2 Run simplified fraction , a whole number , or a decimal

Mathematics
1 answer:
Nadya [2.5K]2 years ago
5 0

Answer:

4. Rise: 4, Run: 3, Slope: 4/3

5. Rise: 8, Run: 4, Slope: 2

6. Rise: 12, Run: 3, Slope: 4

7. Rise: 6, Run: 6, Slope: 1

8. Cannot see problem.

9. Rise: 12, Run: 12, Slope: 1

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Vedmedyk [2.9K]

Answer:

Option C)

50 + \dfrac{I}{40}          

Step-by-step explanation:

We are given the following in the question:

I is the annual income of a person in a country R

2 percent of one’s annual income =

\dfrac{2}{100}\times I = 0.02I

1 percent of one’s annual income =

\dfrac{1}{100}\times I = 0.01I

Average of  100 units of Country R’s currency and 1 percent of one’s annual income.

=\dfrac{0.01I + 100}{2}

Income tax =

2 percent of one’s annual income + Average of  100 units of Country R’s currency and 1 percent of one’s annual income.

= 0.02I + \dfrac{100+0.01I}{2}\\\\=50 + \dfrac{0.04I + 0.01I}{2}\\\\=50 + \dfrac{0.05I}{2}\\\\= 50 + \dfrac{I}{40}

Thus, income tax is given by

Option C)

50 + \dfrac{I}{40}

6 0
3 years ago
Please factorise 16p²-9q² for me<br>​
kirill115 [55]

Answer:

a ^ 2 - b ^ 2 = ( a + b ) ( a - b ) where a = 4p and b = 3q.

( 4p + 3q ) ( 4p - 3q )

7 0
3 years ago
It is recommended that there be at least 7 square feet of work space for every person in a conference room. A certain conference
Artyom0805 [142]
The square footage of the room is length times width...in this case 16 x 12 =192 then divide that by 7 and it can accommodate 27 people.
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What is the area of the polygon in square units?<br> Correct answer gets brainliest
givi [52]

Answer:

72

Step-by-step explanation:

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3 years ago
Two equations are given below:
goldenfox [79]
Since the second equation gives a value for a, we can substitute it into the other equation to find a value for B.

Let's substitute b-2 into the first equation wherever there is an a.

a - 3b = 4
(b-2) - 3b = 4
b - 2 - 3b = 4
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b = -3

Now let's find a by substituting -3 into either of the equations to find the value of a.

a = b - 2
a = -3 - 2
a = -5

So your solution set  is (-5, -3)
4 0
3 years ago
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