MATHEMATICS MIDDLE SCHOOL

Helpppppp again...also due rn

Answers

Answer 1

Answer:

Answer:

9.6 x 10^7

Step-by-step explanation:

Atlantic Ocean = 3.2 x 10^7 = 32,000,000 square miles.

Pacific Ocean = 6.4 x 10^7 = 64,000,000 square miles.

Together they cover 96000000 square miles. Turn it back into standard form(scientific notation). 9.6 x 10^7.

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During a recent test in his Business Skills class, Lionel typed 207 words in 5 minutes .What is Lionel's typing speed in words per minute?
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several students in Ashton 's class were randomly selected and asked how many text messages they sent yesterday. Their answers were 1 ,0 ,10 , 7 , 13, 2 , 9 ,15 ,0 , 3 .find the mean and the median for this data .

Answers

Mean is 6 because once you add up all the numbers it will be 60, and dividing that number by how many you have will give you 6

Median is 5 because once you place the numbers in order, 0, 0, 1, 2, 3, 7, 9, 10, 13, 15 the middle number in the set is between 3 and 7 and once you find the mean of the two you get 5

Mean: 6 ADD up all the numbers and then divide by 10. SO 60÷10=6.
Median: 5 Put them in order and find the middle number. In this case 3 and 7 are in the middle. SO add them up and divide by 2. 3 + 7 =10.

There are two square roots of 25. what is there only one sneer for the radius of the button.

Answers

Answer:

Given: Square root of 25 .i.e., $√(25)$

When we find the $√(25)$ . we get 2 answers that are +5 , -5

As, $(+5)^2 = 25$ . Also $(-5)^2=25$

but while selecting value for radius we choose positive value of $√(25)$ .i.e, +5 because Radius of circle should be a positive value as it is a Length.

When finding the square root of any number there is is the + and - rootwhen using this information to solve a problem only the positive root is usedyou can't solve involving measurements using the - roothope this helps

A farmer had 421 pumpkins.She sells 75 pumpkins at the market.How many pumpkins does she have left??

Answers

421-75= 346 bam thats the answer!

Its simple! just use subtraction to find out how many she have left;

421 - 75 = 346 pumpkins left.

Hope that helps :D

Which line is the graph of y = 1/2x + 1?

line a
line b
line c
line d

Answers

Answer:

Step-by-step explanation:

When x=0,

Y=1/2(0)+1

Y=1

Look for the line with the point (0,1)

Answer:

line b

Step-by-step explanation:

hope it helps :b

Multiply (2.4 ⋅ 1014) ⋅ (4 ⋅ 107). Express the answer in scientific notation

Answers

You multiply 2.4 with 4 to get 9.6. Then 10^14 times 10^7 and you should get 10^21. Since the number 9.6 is between 1 and 10, you don't do anything with the exponent. So the scientific notation would be 9.6 x 10^21. :)

9.6*10^21 is your answer

What is the slope of any line parallel to the line 2x-3y=7?