MATHEMATICS HIGH SCHOOL

A line intersects the points (3,-4) and (1,2).What is the slope intercept equation for this line

Answers

Answer 1
Answer:

Answer:

y=-3x+5

Step-by-step explanation:

y=mx+b

m=(-4-2)/(3-1)=-3

b=y-mx

b =-4 - (3)(-3)

b=-4+9

b=5

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Okay so I'm struggling at this particular set of questions on Khan Academy. Anyone got any ideas?

Answers

my best guess is 135 because if it can fit cubes with 1/4 inch sides, that means it can fit 9 cubes going lengthwise, and 3 cubes wide which is 27 cubes on the base. then it can fit 5 cubes, all 1/4 inch going up because in 1 1/4 inch there are 5 quarter inches. so if you multiply 27 by 5 you get 135. I hope that helps a little bit:)

I know this is not much help but I wrote all my work down and got 135 as well so I’m glad you got the correct answer. You will struggle sometimes, especially with challenging questions like that but remember it will always get easier as you go alone((: good luck to you!

What is 483,493 in word form? What is 66,450 in word form? What is 137,617 in word form?

Answers

Answer:

four hundred eighty three thousand, four hundred ninety three.

sixty six thousand four hundred fifty.

one hundred thirty seven thousand six hundred seventeen.

Step-by-step explanation:

Answer:

483,493- four hundred eighty-three thousand four hundred ninety-three

66,450- sixty-six thousand four hundred fifty

137,617- one hundred thirty-seven thousand six hundred seventeen

Step-by-step explanation:

What is the most likely value of the correlation coefficient of the data in the table? Based on the correlation coefficient, describe the relationship between time and velocity of the toy car.

Answers

Part A: The correlation coefficient is 1. It means that the values of both x and y has a strong relationship giving them a avalue of 1.

Part B: The value of the slope of the graph is 0.5. the slope of the line represents how steep is the line of your graph

Part C: The data presented is correlation.

Josh used a standard deck of 52 cards to conduct an experiment. Half of the cards in the deck were red. The other half were black. Josh predicted that he would choose a red card in 4 out of 8 trials. When he conducted the experiment, he actually chose a red card 6 out of 8 times. Which explains the most likely reason for the discrepancy between Josh’s predicted and actual results?He incorrectly predicted the number of times he would choose a red card.
He incorrectly determined the actual number of times he chose a red card.
He used too few trials for the sample space.
He used too many trials for the sample space.

Answers

Step-by-step explanation:

He used too few trials for the sample space.

If he conducts a lot more trials, his results will be closer to 50% red

Translate the phrase into an algebraic expression. The sum of 9 and w

Answers

The algebraic expression for the sum of 9 and w is 9+x

Answer:9+w

Step-by-step explanation:

Qx+c=d how to change formula to (x)

Answers

Qx+c=d
->qx=d-c
->x=(d-c)/q
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