MATHEMATICS MIDDLE SCHOOL

Let me know the answer plz

Answers

Answer 1

Answer:

Answer:

J. $-(1)/(36)$ , $(1)/(216)$ , $-(1)/(1296)$

Step-by-step explanation:

We are given the following geometric sequence and we are to find its 8th term:

$-36, 6, -1, (1)/(6),...$

Here $a_1=-36$ and common ratio $(r) = (-1)/(6)=(-1)/(6)$ .

The formula we will use to find the next three terms is:

nth term = $a_1 * r^((n-1))$

5th term = $-36 * (-1)/(6)^((5-1))$ = $-(1)/(36)$

6th term = $-36 * (-1)/(6)^((6-1))$ = $(1)/(216)$

7th term = $-36 * (-1)/(6)^((7-1))$ = $-(1)/(1296)$

Answer 2

Answer:

Answer:

Step-by-step explanation:

Find the common ratio r of the geometric sequence then multiply a term by r to obtain the next term

r = $(a_(2) )/(a_(1) )$ = $(6)/(-36)$ = - $(1)/(6)$

The next 3 terms are

$(1)/(6)$ × - $(1)/(6)$ = - $(1)/(36)$

- $(1)/(36)$ × - $(1)/(6)$ = $(1)/(216)$

$(1)/(216)$ × - $(1)/(6)$ = - $(1)/(1296)$

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What is and equation with more than one operation called, fill in the blank_ _ _ _ _ _ _ _

Answers

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The table shows the number of wins of each school baseball team over the last six years. Find the mean absolute deviation for each set of data. Round to the nearest hundredth if necessary. Then write a few sentences comparing their variation. Number of wins per season, Bears:7, 10, 13, 12, 9 Saints:12, 15, 10, 14, 13

Answers

Answer: Bears: 1.80 Saints: 1.40

Step-by-step explanation: Hope this helps!!

Ariel goes running for 5/6 of an hour.The next day,she runs for 3/4 as much time. Does she spend more or less time running the second day? Draw a diagram or make a model to represent the problem.

Answers

less because 3 fourths is more than 5 sixths

Answer:

Less

Step-by-step explanation:

Less time because you first find the common denominator which is twelve for 3/4 it would be 9/12 and for 5/6 it would be 10/12 so 5/6 which is greater that 3/4.

What is 4/12 as a unit fraction

Answers

$(4)/(12)$

as a unit fraction:
unit fractions are written using a numerator of 1 and keeping the original denominator.

$(1)/(12)$

A group of friends were on a hiking trip they plan to hike a total of 38 miles they want to complete 25% of the hikeby the end of the first day about how many miles should they hike the first day

Answers

Answer: 9.5 miles

Step-by-step explanation:

Given : A group of friends were on a hiking trip they plan to hike a total of 38 miles .

They want to complete 25% of the hike by the end of the first day .

We can write 25% as 0.25 in decimal.

Now, the number of miles they should hike the first day will be :-

$0.25*38=9.5\text{ miles}$

Hence, the number of miles they should hike the first day =9.5 miles

they should hike 9.5 miles the first day. 30÷100= 0.38
0.38×25= 9.5

What is 0.000000028 in scientific notation

Answers

Answer:

The answer is:

$0.000000028=2.8*10^-^8$

Step-by-step explanation:

In order to determine the answer, we have to know about scientific notation.

In general the scientific notation is:

$a*10^b$

where:

a= rational number such that its absolute value has to satisfy:

$1\leq |a|<10$

b= the power of 10 required so that the scientific notation is mathematically equivalent to the original number.

We have to follow the next steps to determine the scientific notation of any number:

Move the decimal point in your number until there is only one non-zero digit to the left of the decimal point. The resulting decimal number is "a".
Count how many places you moved the decimal point. This number is "b".
If you moved the decimal to the left, "b" is positive. If you moved the decimal to the right, "b" is negative. If you did not need to move the decimal, "b" = 0.
Remove trailing 0's only if they were originally to the left of the decimal point.

Finally, the number 0.000000028 written in scientific notation is:

$a=2.8\nb=-8\n\na*10^b=2.8*10^-^8$

$0.000000028=2.8*10^-^8$

2.8 X 10^-8 (........characters space so that I can post this..)

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