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Artemon [7]
3 years ago
11

Explain how you can determine the initial value of a linear relationship, the y- intercept, when given two points.

Mathematics
1 answer:
Paladinen [302]3 years ago
7 0
There is a formula to find the slope (m)

(y2 - y1) / (x2 - x1)

So we now have y = mx + b where m is the value you just calculated

The y intercept (b) = y - mx

Plug in the x,y values for one of your points into this formula
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The monthly budget is shown in the circle graph. The family has a
rjkz [21]

Answer:

$240

Step-by-step explanation:

The amount they spend on a monthly basis for transportation = percentage represented on the circle covered by transportation ÷ 100% × the total monthly income.

= \frac{5}{100} * 4800

= 0.05 * 4800 = 240

Money spent on transportation = $240

6 0
3 years ago
A roller coaster can take 162 passengers around the track in 9
Dvinal [7]

Answer: 18 people per minute

Step-by-step explanation: 162 divide by 9 equals 18

4 0
4 years ago
Read 2 more answers
Which shows the correct substitution of the values a, b, and c from the equation 1 = -2x + 3x2 + 1 into the quadratic
lidiya [134]

Answer: A

Step-by-step explanation:

The first thing we need to do is to make sure our equation is in standard form. The given equation is not in standard form.

3x²-2x=0

Now that the equation is in standard form, we can find our A, B, C to see which quadratic equation is correct.

A=3

B=-2

C=0

We can automatically eliminate D because the first value is -3 when it is supposed to be -(-2). Also, the denominator is supposed to be 2a. We know that A=3. The denominator should be 2(3), not 2(-2).

Next, we can eliminate B and C. For the 4ac, we know it has to be 4(3)(0) because A=3 and C=0. B and C have given 4(3)(2) and 4(3)(1), respectively. This does not match A=3 and C=0.

Therefore, A is the correct answer.

4 0
3 years ago
A rod was cut into 3 piece the length of the 3 piece are in the ratio of 5 : 3 :2 if the shortest is 25cm how long was the rod ​
Vesnalui [34]

Answer:

125 cm

Step-by-step explanation:

<u>Ratio of pieces of the rod:</u>

  • 5:3:2

<u>In total, the rod is equal to:</u>

  • 5x+3x+2x= 10x

<u>Since the shortest peace:</u>

  • 2x = 25 cm,

<u>Length of the rod:</u>

  • 10x = 5* 2x = 5* 25 cm = 125 cm
3 0
3 years ago
PLEASE HELP ME THANKS!
Marianna [84]

Answer:

A

Step-by-step explanation:

C=2piR so 2(3.2)*3.14

4 0
4 years ago
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