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gulaghasi [49]
3 years ago
6

John runs for 2.25 hours, burning 375.5 calories per hour. How many total calories does he burn?​

Mathematics
2 answers:
olchik [2.2K]3 years ago
5 0
You will need to multiply 2.25 by 375.5 which will then give you 844.87 but if we round it the answer will be 844.9
natta225 [31]3 years ago
5 0

Answer:

844.875

Step-by-step explanation:

375.5 * 2.25= 844.875

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Solve each system by multiplying. Check ur answer.
kondor19780726 [428]
Multiply all terms in the first equation by 2 and all terms in the second by 3.
You should obtain:

6x + 16y = 34
-6x + 27y = 9
------------------
       43y =43, and so y = 1.  Subbing 1 for y in the first eq'n, we get

3x + 8(1) = 17, or 3x = 9, or x = 3.

The solution is (3, 1).
7 0
3 years ago
After prime planting season was over, a horticulturist sold lilac bushes for $15.00. If the original price was $39.00, what is t
hoa [83]
Find what percent of $39.00 the sale price was.
=> 15/39*100=38.4%
now subtract from 100% to get the mark down percentage.
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Hope I helped :)
4 0
2 years ago
3y-6 divided by 9 = 4-2 divided by -3
sweet [91]

Answer:

y = 16/9

Step-by-step explanation:

Assuming "y" is a variable

3y - 6/9 = 4 - 2/-3

3y - 2/3 =14/3

3y - 16/3 = 0

1/3 (9y - 2) = 14/3

ANSWER = y : 16/9

4 0
2 years ago
Read 2 more answers
Which of the graphed systems share the same solution set?
TEA [102]

It is the graph where the two lines intersect, when they intersect there is a point where they connect, and that is your answer

3 0
3 years ago
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Factor 2m^3-12m^2+18m completely
Nina [5.8K]

Answer:

The answer is A.

Step-by-step explanation:

Firstly, you have to take out the common terms for this expression. In this expression, the common terms ard 2 and m :

2 {m}^{3}  - 12 {m}^{2}  + 18m

= 2( {m}^{3}  - 6 {m}^{2}  + 9m)

= 2m( {m}^{2}  - 6m + 9)

Next you have to factorise the brackets :

{m}^{2}  - 6m + 9

=  {m}^{2}  - 3m - 3m + 9

= m(m - 3) - 3(m - 3)

= (m - 3)(m - 3)

=  {(m - 3)}^{2}

So the final answer is :

2m {(m - 2)}^{2}

6 0
3 years ago
Read 2 more answers
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