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sveta [45]
3 years ago
14

How are parentheses used when grouping factors?

Mathematics
1 answer:
Semmy [17]3 years ago
3 0
Najs snjd djdnd fjf rnne. Rn. Fjjrkne nsnsns shen end dnd dhs sh shs dhd.
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What is a six sided shape called?
adell [148]

Answer:

hexagon

Step-by-step explanation:

7 0
2 years ago
Is that better is just need help
yawa3891 [41]
#1 Mrs. Garcia is making 50 snacks for her 5th grade class. If she uses four 1-kilogram bags of dried fruit, how many of grams of fruit will she use for each snack? 

1 kilogram is equal to 1000 grams.
4 kilograms is equal to 4000 grams. 

You would need to divide the 4000 total grams by the 50 snack to get how many grams would be in each snack.
So you would do..

4000grams/50snacks = 80 grams each snack.

#3 Toni's recipe also calls for seasonings. She needs to stir in 215 milligrams of pepper and 437 milligrams of salt. What is the difference between the total amount of seasonings and 1 gram?

215 milligrams is equal to 0.215 grams
437 milligrams is equal to 0.437 grams 

So you would add these two together
0.215 + 0.437 = 0.652 grams
Then to find the difference you would subtract 0.652 grams from 1 gram
1 - 0.652 = 0.348 
0.348 is the difference.

5 0
3 years ago
Read 2 more answers
At a flea market. 78 booths are arranged in 6 rows. There are the same
11Alexandr11 [23.1K]

Answer:

B. 13 Booths

Step-by-step explanation:

Since there are 78 booths in total, and they are in 6 rows, this means we can divide both numbers to find the answer

78/6=13

So there are 13 booths in each row

8 0
3 years ago
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The radioactive substance polonium-210, with a half-life of 138.39 days, is present in tobacco. Suppose that the soot in an ex-s
Ksju [112]

Answer:

16.07 milligrams

Step-by-step explanation:

From the question,

Using the formula of radioactive decay,

R/R' = 2ᵃ/ᵇ..................... Equation 1

Where R = Original mass of the polonium-210, R' = Final mass of polonium-210 after decaying, a = Total disintegration time, b = half life of polonium-210.

Make R' the subject of the equation

R' = R/(2ᵃ/ᵇ)................ Equation 2

Given: R = 100 milligrams, a = 1 years = 365 days, b = 138.39 days

Substitute these values into equation 2

R' = 100/(2³⁶⁵⁰⁰/¹³⁸³⁹)

R' = 100/(6.222)

R' = 16.07 milligrams of plonium-210

3 0
2 years ago
Average rate of change from x= 1 and x=2
iragen [17]

Answer:

What are the y values you can not find the average rate of change without the y values.

Step-by-step explanation:


5 0
3 years ago
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