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pav-90 [236]
3 years ago
13

Suppose you have a 100-mL cup,a 300-mL cup, and a 500-mL cup. list two different ways you can measure exactly 1 L

Mathematics
2 answers:
svetlana [45]3 years ago
7 0
Let's notice that 1L=2\cdot500mL=10\cdot100mL

Hence you can:
* take 10 times the 100-mL cup
* take 2 times the 500 mL cup.

Here are some other ways you could have done it:
* use once the 500 mL cup, once the 300 mL cup and twice the 100 mL cup
* use three times the 300 mL cup and once the 100 mL cup
* etc.
Illusion [34]3 years ago
3 0
1 L = 1000 mL

You can use the 500 mL cup twice.

500 + 500 = 1000

Or you can use the 300 mL cup 3 times and the 100 mL cup once.

300 + 300 + 300 + 100 = 1000
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3 years ago
Simplify by combining like terms 4x(x+9)+10x
Natalija [7]

Answer:

4x^{2} + 46x

Step-by-step explanation:

<u>Step 1:  Distribute  </u>

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<u>Step 2:  Combine Like Terms </u>

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4x^{2} + 46x

Answer:  4x^{2} + 46x

6 0
2 years ago
Emily and her children went into a grocery store and she bought $20.80 worth of bananas and peaches. Each banana costs $0.80 and
-BARSIC- [3]

b + p = 14 and 0.80 b + 2 p = 20.80 are the system of equations.

Step-by-step explanation:

Step 1 :

Let b be the number of bananas

Let p be the number of peaches  

Given that the total of bananas and peaches that Emily bought  = 14

Hence we have,

b + p = 14

Step 2 :

Cost of one banana =  $0.80

Cost of one peach = $2

Cost of all the bananas and peaches Emily bought = $20.80

So sum of b bananas costing $0.80 and sum of p peaches costing $2 each is $20.80

Hence we have

0.80 b +2 p = 20.80

Solving for the above 2 equations we can get the value for b and p which will give the number of bananas and peaches bought

Step 3 :

Answer :

The system of equations that could be used to find the number of the bananas and the number of the peaches that Emily bought is given by

b + p = 14

0.80 b +2 p = 20.80

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