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DerKrebs [107]
3 years ago
7

How many sentences are in 3 paragraph.

Mathematics
2 answers:
masya89 [10]3 years ago
6 0
There is 15 sentence in 3 paragraph
wolverine [178]3 years ago
3 0
Depends on your paragraphs, but a good paragraph should have at least 5 sentences. That would mean 3 paragraphs would have 15 sentences. 
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A total of 2800 newspapers were sold at SafeWay in Santa Cruz this week. How many copies of the USA Today were sold?
Usimov [2.4K]
3000 maybe hope this helped
7 0
3 years ago
REEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
olganol [36]

Answer:

first option

Step-by-step explanation:

3x - 7y and - 7y + 3x are equivalent expressions

3x is positive and - 7y is negative

As long as the signs on their coefficients do not change then they can be reversed, that is

3x - 7y = - 7y + 3x

3 0
3 years ago
Multiply all common factors of 9x^6, 15x^4,and 12x^2 to find the GCF.
lesantik [10]
First find common factor for parameters. I mean to find common factor number 9,15,12
first, write the divisors:
Divisors of 9:  1,3,9
divisors of 12:  1,2,3,4,6,12
divisors of 15: 1,2,3,5,15
so see, that GCF of 9,12,15 is 3.

Now, count GCF of x^2, x^4, x^6
GCF 2,4,6  is 2,  so the result is x^2 
and know finally GCF these terms is 3x^{2}
3 0
3 years ago
The radioactive substance cesium-137 has a half-life of 30 years. The amount A (t)(in grams) of a sample of cesium-137 remaining
lakkis [162]
Rather than use that formula, look at the attachment and use the 4th equation.

Ending Amount = Beginning Amount / 2^n
where "n" is the number of half-lives.  "n" = elapsed time / half-life
(Is 934 the beginning amount? Let's say it is.)

for 40 years, n=40/30 = 1.3333333...
Ending Amount = 934 / 2^1.3333333...
Ending Amount = 934 / <span> <span> <span> 2.5198420998 </span> </span> </span>
Ending Amount = <span> <span> <span> 370.66 grams
</span></span></span>
for 100 years, n=100/30 = <span> <span> <span> 3.333333 </span> </span> </span> ...
Ending Amount = 934 / 2^<span> <span> 3.333333 </span> </span> ...
Ending Amount = 934 / <span> <span> <span> 10.0793683992 </span> </span> </span>
Ending Amount = <span> <span> <span> 92.66 grams

Source:
http://www.1728.org/halflife.htm

</span></span></span>

4 0
3 years ago
The product of a number and 4 increased by 16 is -2
Thepotemich [5.8K]
This is some simple Algebra
So it's 4x+16=-2
We subtract 16 from both sides
4x=-18
Sivide both sides by 4
X=-4.5
If you need more of an explanation I am happy to elaborate
5 0
4 years ago
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