MATHEMATICS HIGH SCHOOL

This is a khan question. please answer!

Answers

Answer 1

Answer:

Answer:

c and d

Step-by-step explanation:

Answer 2

Answer:

Answer:

C and D

Step-by-step explanation:

C=. 7×11=77

D=. 11-2=9

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Round 7.3519 to 1 decimal place
Tiffany is 34 years old and Vanessa is 6 years old. How many years will it take until Tiffany is only 3 times as old as Vanessa?
Any ideas on how to find the value of 'x' on either 13 or 16? Anything helps!

What two numbers multiply to 16 but add to 17

Answers

The two numbers are 16 and 1.

16+1 =17
16*1 =16

Hope this helps~

The two numbers are 1 and 16... i was confused as well but then i figured it out... it is a very good but tricky question

Point K on the number line shows Kelvin's score after the first round of a quiz: A number line is shown from negative 10 to 0 to positive 10. There are increments of 1 on either side of the number line. The even numbers are labeled on either side of the number line. Point K is shown on 3. In round 2, he lost 9 points. Which expression shows how many total points he has at the end of round 2? 3 + (−6) = −9, because −9 is 6 units to the left of 3 3 + 6 = −9, because −9 is 6 units to the left of 3 3 + (−9) = −6, because −6 is 9 units to the left of 3 3 + 9 = −6, because −6 is 9 units to the left of 3

Answers

Answer:

The correct option is;

3 + (-9) = -6, because -6 is 9 units to the left of 3

Step-by-step explanation:

The given information are;

Kelvin's score after the first round is shown at point K on the number line

The range of numbers on the number line = -10 to +10

The position of point K after the first round = +3

The number of points Kevin lost in the second round = 9 points

Therefore, Kevin's cumulative score = +3 - 9 = -6

Therefore, the expression that shows how many total points he has at the end is of round 2 = 3 + (-9) = -6, because -6 is 9 units to the left of 3.

Blakemore elementary school has 1,000 students. each of the 15 student council members of Blakemore Elementary School is responsable for telling exactly 2 other students about the upcoming school pep assembly. Each of those 2 is then responsable for telling 2 other students. It takes 15 minutes for each round of students to be told. How many minutes will take for 1,000 students to receive the information about the pep assembly?Minute students total number of students told

0 15 15
15 30 15+30=45
30 60 45+60=105

Answers

It seems like you already have it but you haven't done the work all the way through yet. anyway Here:

Minutes: Students:
45 120
60 240
75 480
90 960
105 1000+

Answer:

end of round1 -- 30 students -- 15 minutes

round2 -- 60 -- 30 min

round3 -- 120 -- 45

round4 -- 240 -- 60

round5 -- 480 -- 75

ruond6 -- 960 -- 90

round7 --1920 -- 105

Step-by-step explanation:

Identify the coefficient of 2xy3

Answers

the coefficient is 2

2

The coefficient always comes before any unknowns, so for 2xy3, 2 is the coefficient.

Find the slope between the two points (-5,5) and (3,-5)

Answers

the formula is y2 minus y1 over x2 minus x1 or rise (y) over run (x). So you would do (-5) - (5) over (3) - (-5). that would equal -10 over 8, or -5/4 when you simplify. your slope would be -5/4

Heidi grew her hair out for many years. Her hair was 12/10 of a meter long. She donated her hair by cutting off 5/6 of a meter. How long is Heidi's hair now?

Answers

Answer:

0.37 meters.

Step-by-step explanation:

12/10 of 1 meter = 1.2meters

5/6 of 1 meter = 0.8333333333 meters.

1.2 meters - 0.833333333 meters = 0.366666667 meters.

~0.37 meters

Please give brainliest if I am correct, if I am not; sorry about that.