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boyakko [2]
4 years ago
7

Create a real life problem using 27×30. Solve it and explain how to use place value and associative property to solve it.

Mathematics
1 answer:
Dmitriy789 [7]4 years ago
3 0

Answer:

Jill had 27 marbles.  Ryan had 30 times the number of marbles Jill had.  How many marbles did Ryan have?

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Trey has completed 36 deliveries so far this week. He needs to make 80 deliveries for the week. What percentage of deliveries ha
anygoal [31]

We must build the proportion

deliveries made : deliveries due = x : 100

in fact, we must express the fraction of work done as a fraction with denominator 100.

So, we have

\dfrac{36}{80}=\dfrac{x}{100}\iff x=\dfrac{3600}{80}=45

Trey has completed 45% of his work so far.

3 0
3 years ago
What is the answer to 8-2(x+17)
Aleksandr-060686 [28]

Answer:

42-2x

Step-by-step explanation:

8-2(x+17)

8-2x+34

42-2x

8 0
4 years ago
A chemist has 5 1/10 kg of calcium chloride.
Deffense [45]

5 times 1/10 is 5/10 or 1/2 of a kg. This equals 0.5 kg. You can do 3 experiments (use up until 4.5 kg)

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3 years ago
What is 5y−4=−3x in standard form?
Dafna11 [192]

Answer:

5y+3x=4

Step-by-step explanation:

The standard form for the equation of a line is Ax+By=C  In this case with the equation 5y-4=-3x B=5 and A=-3 and C=-4 in order to get Ax and By on the same side we can add both -4 and -3x to both sides to get this in the correct form and we get 5y+3x=4

I hope this helps and please don't hesitate to ask if there is anything still unclear!

8 0
3 years ago
Frank and his family are going to the grand opening of the circus there is a special price on tickets this weekend tickets cost
Harrizon [31]

Answer:

$60

Step-by-step explanation:

36/0.6 = 60

60 x 0.6 = 36

I hope that's correct? :)

8 0
3 years ago
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