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Doss [256]
2 years ago
12

heyy i really need help with these 3 questions, please hurry and answer all serious answers only or i will delete ur answer

Mathematics
2 answers:
adell [148]2 years ago
4 0
1. the slope is 2.
2. the y-intercept is 4.
3. the slope is 1.

hope this helps :)
____ [38]2 years ago
4 0

Answer:

question 6 the y-intercept is 4

question 7 the y-intercept is -3

question 8 slope is 2

Step-by-step explanation:

the y intercept is when x=0 or where the line croses the x axis

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Taryn conducted a science experiment on saturation. She added sugar to sugar water solution at different intervals. The graph sh
dusya [7]
Equation of a line:
y=mx+c

m = gradient: The difference between two y points and two x points.
m= \frac{\Delta y}{\Delta x}

c = y-intercept: Where the line crosses the y-axis (x=0)

You have:
y=\textunderscore\textunderscore \ x + \textunderscore
so you are missing the m and the c.

To calculate m find two y coordinates -you have (12, <u>7</u>) and (0, <u>1</u>)- and subtract them. Then divide this by the subtracted values of the x coordinates -you have (<u>12</u>, 7) and (<u>0</u>, 1)- This gives:

m= \frac{7-1}{12-0}
m= \frac{6}{12}
m=0.5

To calculate the c, you just see where the line crosses the y-axis. Because you have the point (0, 1), you know that when x=0, y=1. Because x=0 is on the y-axis, you can tell that the line passes through y=1. This makes your c = 1:

c=1

When you plug these values into the equation you get your answer:

y=0.5x+1
6 0
3 years ago
If 3(x - 4) = x + 4, then x =8
Greeley [361]

Answer:

Valid

Step-by-step explanation:

3(x-4)=x+4              <em>Given</em>

3x-12=x+4                <em>Distribute</em>

2x=16<em>                      Subtract x from both sides and add 12 to both sides</em>

x=8                           <em>Divide each side by 2.</em>

<em>  </em>

<em />

6 0
3 years ago
What Is the sum of the measures in degrees of the interior angles of a 30-gon
Mazyrski [523]
The answer is 5040 degrees.
7 0
3 years ago
At a sale, shirts were sold for $15 each. This price was 80% of their original price. What was the original price?
slava [35]

Answer:

12 dollars 80% divided by 15 dollars

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
GIVING BRAINLY JUST ANSWER CORRECTLY !!
Vinil7 [7]

Answer:

b. never

Explanation:

A fraction is always in the form p/q, where q is not 0; or can be converted in that form (in case of mixed fraction).

A number is said to be irrational, if it cannot be expressed in the form p/q, where q is not 0.

5 0
3 years ago
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