MATHEMATICS HIGH SCHOOL

Posie plotted 3 points from the equation y = 2x on this coordinate grid. She drew a straight line through the points. Which ordered pair would also be on this line?



A.
(0, +2)

B.
(+8, +10)

C.
(+8, +16)

D.
(+4, +2)

Answers

Answer 1
Answer: Hello,
if x=8 then y=2x=2*8=16
Answer C
Answer 2
Answer:

Answer:

c

Step-by-step explanation:

did on edg

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A tree that is 2 feet tall is growing at a rate of 1 foot per year.A 6 foot tall tree is growing at a rate of ½ foot per year. In how
many years will the trees be the same height? How tall will the
trees be? system of equations

Answers

h=2+1y, or h=2+y where h is the final height, 2 is the original height, and 1y, or y, is the rate of feet per year.
h=6+1/2y, or h=6+0.5y, where h is the final height, 6 is the original height, and 1/2 y, or 0.5y, is the rate of feet per year.
Now, we plug in heights to try and find a number of years that they will be the same height.
Let's start with 12 feet.
12=2+1y
12=2+y
12-2=y
10=y

12=6+0.5y
12-6=0.5y
6=0.5y
12=y
We seem to be fairly close, so we'll try something a little larger, 18 feet.
18=2+y
18-2=y
16=y

18=6+0.5y
18-6=0.5y
12=0.5y
24=y
This seems to be much farther away, so we'll try a smaller number, 10 feet.
10=2+y
10-2=y
8=y

10=6+0.5y
10-6=0.5y
4=0.5y
8=y
The years are the same now, so we know that in 8 years, the trees will be the same height. We also know that they both will be 10 feet height tall.

Lisa purchased a prepaid phone card for $25. Long-distance calls cost $.21 a minute using this card. Alyssa used her card only wants to make a long distance call. If the remaining credit on her card is $20.59, how many minutes did her call last?

Answers

21 minutes
You have to take away 25-20.59 then divide the answer by 0.21

Which angles pairs with the names? I just need a simple checklist :).​

Answers

Answer:

Angle pair types

Pairs of Angles

Complementary Angles. Two angles are complementary angles if their degree measurements add up to 90°. ...

Supplementary Angles. Another special pair of angles is called supplementary angles. ...

Vertical Angles. ...

Alternate Interior Angles. ...

Alternate Exterior Angles. ...

Corresponding Angles.

Step-by-step explanation:

Angle pair types

Pairs of Angles

Complementary Angles. Two angles are complementary angles if their degree measurements add up to 90°. ...

Supplementary Angles. Another special pair of angles is called supplementary angles. ...

Vertical Angles. ...

Alternate Interior Angles. ...

Alternate Exterior Angles. ...

Corresponding Angles.

Maria counted the number of snowmen she saw each day what is the median number of the snowman 0 2 3 3 6 7 12

Answers

the answers 3 because median means middle :)

How do you convert units within a measurement system☺️

Answers

You have to know how the value of one unitcorresponds to the value of the other unit. For example you have to knowthat there are 100 cm in 1 m or 1000 m in 1 km. It's easy in metricmeasurement system because it's all about multiplying/dividing by 10 orits multiplications. But in American/English system you just have tolearn the values.

For example:

1 km = 1000 m = 10000 dm = 100000 cm = 1000000 mm

But:

1 mile = 1760 yards = 5280 feet = 63360 inches
It would pend on whetch one because you devide some nummernummer tell me witch

In a sequence of numbers, each term except the first is 4 less than 4 times the previous term. If the fourth term in this sequence is 12, what is the first term?

Answers

First term is -1 because the common difference between each term 4n-4 where n is the term before. Therefore of you work backwards by taking 4 away from 12 then diving by 4 you should get 4 as third term. So you can keep going back till first term and you would get the following sequence

-1, 0, 4, 12...
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