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MissTica
2 years ago
14

Please Help Me With This So I can understand how to do it.

Mathematics
1 answer:
Lana71 [14]2 years ago
7 0
Idjskabsidndowkahsowhwhebeiwnqjdidbeid
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Need help for question 8 and 9. I need the equation that’s passes through the points!
dsp73

Answer:

Step-by-step explanation:

Question 8

Let the equation of a line passing through two points (x_1,y_1) and (x_2,y_2) is given by,

y = mx + b

Here, m = slope and y-intercept = b

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

For two points (1, 4) and (5, 8),

m = \frac{8-4}{5-1}

m = 1

Equation will be,

y = (1)x + b

y = x + b

Since, this line passes through (1, 4),

4 = 1 + b

b = 3

Therefore, equation of the line will be,

y = x + 3

Question 9

Let the equation is y = mx + b

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

For two points (2, 10) and (6, 4)

m = \frac{10-4}{2-6}

m = -\frac{3}{2}

By substituting the value of 'm' in the equation,

y = -\frac{3}{2}x+b

Since, this line passes through (2, 10)

10 = -\frac{3}{2}(2)+b

b = 10 + 2

b = 12

Therefore, equation of the line will be,

y=-\frac{3}{2}x+12

4 0
3 years ago
What is the probability of pulling out a red marble then a blue marble?
statuscvo [17]

Answer:

Step-by-step explanation:

Total marble = 8+5+4 = 19

n(Y) = 8, n(B) = 4 and n(R) = 5

Prob(R) = 5/17

Prob(B) = 4/16 {one marble is pulled out already}

Prob(R and B) = 5/17 × 4/16

= 5/17 × 1/4

= 5/68

5 0
3 years ago
I don’t understand this, can someone please explain and show the answers please
OLga [1]

your answer would be A. 122/27

3 0
2 years ago
Find the volume of the rectangular prism.<br> 11 cm<br> 11 cm<br> 11 cm<br> Volume<br> [?] cm<br> cm
kirza4 [7]

Answer: 1331

Step-by-step explanation: v=lwh

7 0
2 years ago
Read 2 more answers
Determine which translations would map Figure L onto Figure M. Help please !!!!!!! Will be marking Brianliest !!!!!!!!!!!!!!!
frez [133]

Answer:

  • 8 points left and 7 points down

Step-by-step explanation:

Get the difference of one point on M and corresponding point on L, and  find the difference of coordinates.

<u>Lets take top right points:</u>

  • (7, 9) and (-1, 2)

<u>The difference:</u>

  • -1 - 7 = -8 ⇒ 8 points left
  • 2 - 9 = -7 ⇒ 7 points down
8 0
3 years ago
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