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zaharov [31]
2 years ago
7

Sososososososososososos

Mathematics
1 answer:
Andre45 [30]2 years ago
5 0

Answer:

A. 1/3 x (8+9)

Step-by-step explanation:

When you multiply something by a fraction, you are figuring out what fraction it is of the whole. And in the diagram, it is asking for you to give the equation to figure out what 1/3 of 8+9 is, and you also have to make sure that the parentheses are there because you want to multiply 1/3 by the sum of 8+9, not by 8 and then add 9.

(hope this helps!)

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What is the explicit formula for this sequence?<br> -7, -3, 1, 5, ...
alukav5142 [94]

Answer:

Step-by-step explanation:

a1 = - 7

d = 4

an = a1 + (n - 1) * d

an = - 7 + (n - 1) * 4

an = - 7 + 4n - 4

an = -11 + 4n

Try this out. Let n = 3

a3 = -11 + 4*3

a3 = - 11 + 12

a3 = 1   Which is what the series says.

8 0
3 years ago
The volume inside of a sphere is V=4πr33 where r is the radius of the sphere. Your group has been asked to rearrange the formula
Slav-nsk [51]

Answer:

Step-by-step explanation:5

8 0
3 years ago
A length of 5 cm on a map represents a distance of 2km on the ground .What length on the map represents an actual distance of 80
kipiarov [429]

Answer:

which means easily we understand by SI UNIT

0.05m=2kM

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Step-by-step explanation:

finally answer will be 0.000032

4 0
2 years ago
Read 2 more answers
In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 25 pieces of carry-on lugga
Fynjy0 [20]
To find the standard error, divide the standard deviation by the square root of the sample size

standard deviation = 7.5
sample size = 25......sqrt 25 = 5

standard error = 7.5 / 5 = 1.5 <==
6 0
3 years ago
Please answer the question below
alexandr402 [8]

The value of x in the given sector is determined as 7.1.

<h3>Area of the sector</h3>

Total area of the sector = area of the shaded + area of the unshaded

Since shaded and unshaded areas are equal, the value of x is calculated as follows;

πr²θ/360 = πx²60/360 +  πx²60/360

πr²θ/360 = 2(πx²θ/360)

πr² = 2(πx²)

r² = 2x²

x² = r²/2

x² = (10²)/2

x² = 50

x = √50

x = 7.1

Thus, the value of x in the given sector is determined as 7.1.

Learn more about area of sector here: brainly.com/question/22972014

#SPJ1

4 0
1 year ago
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