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3 years ago

Someone help me solve these two please !!

Mathematics

2 answers:

Ostrovityanka [42]3 years ago

5 0

Answer:

Step-by-step explanation:

Remember the that the right side is positive and left side is negative so your starting at the midpoint i dont know how to explain it in words but look up some videos. its rise over run so for the left image u rise up 1 and u go over 2 so it will be 1 over 2 meaning 1/2. for the image on the right you go to the left(run) which is negative so its -1 up 3 cause u rise 3! its -1/3 i know its not the best explaining but I hope this helps!

VladimirAG [237]3 years ago

4 0

Answer:

5 is 2,1 and 6 is -1,3

Step-by-step explanation:

hsjskwjssjsbabbwbwbsbs is this 20 character long now!!!

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3z+8=20 Answer 4 10 8 13

yan [13]

Answer: z = 4

Step-by-step explanation:

3z = 20 - 8

3z = 12

z = 12/3

z = 4

Hope this helped!

7 0

2 years ago

What is 12500 written in scientific notation?

swat32

Answer:The purpose of scientific notation is for scientists to write very large, or very small, numbers with ease.

Calculating scientific notation for a positive integer is simple, as it always follows this notation:

a x 10b

Follow the steps below to see how 12,500 is written in scientific notation.

Step 1

To find a, take the number and move a decimal place to the right one position.

Original Number: 12,500

New Number: 1.2500

Step 2

Now, to find b, count how many places to the right of the decimal.

New Number: 1 . 2 5 0 0

Decimal Count: 1 2 3 4

There are 4 places to the right of the decimal place.

Step 3

Building upon what we know above, we can now reconstruct the number into scientific notation.

Remember, the notation is: a x 10b

a = 1.25 (Please notice any zeroes on the end have been removed)

b = 4

Now the whole thing:

1.25 x 104

Step 4

Check your work:

104 = 10,000 x 1.25 = 12,500

Step-by-step explanation:

3 0

3 years ago

I just need lol. jdjdj

irakobra [83]

Answer:

Step-by-step explanation:

trust bro

3 0

3 years ago

Are the equations sometimes, always, or never true?

AURORKA [14]

15 + 2x - 4 = 9x + 11 - 7x
2x + 11 = 2x + 11
always true

2x + 3(4x - 1) = 2(5x + 3) + 4x
2x + 12x - 3 = 10x + 6 + 4x
14x - 3 = 14x + 6
never true

4 0

4 years ago

What is the median of those in the the picture please help

Molodets [167]

Answer:

Median is 24.5

Step-by-step explanation:

Median is the middle number in a set of numbers. If we have two middle numbers, we get the average. And from the question, listing them out, we have this

0,1, 2, 3,4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49.

The middle number here is 24 and 25. Getting their average will be 24.5

5 0

3 years ago