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3 years ago

How do you do mental math with 326+402=

Mathematics

1 answer:

Zepler [3.9K]3 years ago

8 0

Answer:

id just add it

Step-by-step explanation:

326+402= 728

but im not sure

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Graph to answers i put

maksim [4K]

Answer:

The domain of f is {x : x ∈ R, -7 ≤ x ≤ 7} ⇒ [-7, 7]

Step-by-step explanation:

The domain of a function is all the values of x make the function defined

In the given graph

∵ The graph drawn from x = -7 to x = 7 and from y = -6 to y = 4

→ That means the values of x started from -7 and ended at x = 7

∵ The coordinates of the starting point of the graph of f are (-7, -5)

∵ The coordinates of the ending point of the graph of f are (7, 3)

∴ -7 ≤ x ≤ 7

∵ Values of x are the domain of the function

∴ The domain of the function is -7 ≤ x ≤ 7

∴ The domain of f = {x : x ∈ R, -7 ≤ x ≤ 7} ⇒ [-7, 7]

5 0

2 years ago

Find the median of the set of data. 30, 16, 49, 25

weeeeeb [17]

Answer:

16,25,30,49

25+30=55

55÷2=27.5

Step-by-step explanation:

median means the middle value of any set of data so first arrange the data into ascending order.

16, 25, 30, 49

the data is even so we take both the middle value , add it and divide it with 2

25+30=55

55÷2=27.5

4 0

3 years ago

Jane sold a radio costing sh.3800 at a profit of 20%.She earned a commission of 22 1/2% on the profit.Find the amount he earned

aalyn [17]

Answer:

20%=3800 => all of it is 19000

i didn't undrestand what do you want

sorry:)

3 0

2 years ago

One side of a rectangle is 3 m more than the other. If the perimeter of the rectangle is 30 m, what are its dimensions? *

uranmaximum [27]

Answer:

the length— 6

width— is 9

Step-by-step explanation:

you said One side— 3m MORE

so we will consider the length Number as X

we will consider width As three plus X

- You want to know the Perimeter. So we have to

add.

— so the expression is 3+3+x+x+x+x = 30

it is then simplified to 6+4x= 30

then we should be able to find out the X which is 6

when we substitute the values with dimensions, you will get

your final Answer

I hope This Helped!

6 0

2 years ago

please answer correctly! This has 2 slides of questions but please answer correctly. I need this <3 :)

Darina [25.2K]

Answer:

About 6,810,000 results (0.79 seconds)

wait a moment and scrole down!

your question will be answered

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2 years ago