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Andrei [34K]
4 years ago
13

Solve.

Mathematics
2 answers:
Sophie [7]4 years ago
5 0

Answer: He swam about 900 meters on those 3 weeks.

Paha777 [63]4 years ago
4 0

Answer:

Step-by-step explanation:if three weeks is equal to 21 than 0.86 times 21 equal 18.06 i believe

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I am trying to remember how to do Write a two-column proof,
Klio2033 [76]

9514 1404 393

Explanation:

Make use of the properties of equality.

  a = 2b +6 . . . . . given

  a = 9b -8 . . . . . given

  2b +6 = 9b -8 . . . . . . . substitution property of equality

  6 = 7b -8 . . . . . . . . . . . subtraction property of equality

  14 = 7b . . . . . . . . . . . . . addition property of equality

  2 = b . . . . . . . . . . . . . . . division property of equality

  b = 2 . . . . . . . . . . . . . . symmetric property of equality

4 0
3 years ago
The sum of two numbers is 51. Four times the smaller number is 24 more than the larger number. What are the numbers?
KiRa [710]

The smaller number is 15 and larger number is 36.

Step-by-step explanation:

Let,

Smaller number = x

Larger number = y

According to given statement;

The sum of two numbers is 51.

x+y = 51     Eqn 1

Four times the smaller number is 24 more than the larger number.

4x = y+24  

4x - 24 = y

y = 4x-24     Eqn 2

Putting value of y from Eqn 2 in Eqn 1

x+(4x-24)=51\\x+4x-24=51\\5x=51+24\\5x=75

Dividing both sides by 5

\frac{5x}{5}=\frac{75}{5}\\x=15

Putting x=15 in Eqn 2

y=4(15)-24\\y=60-24\\y=36

The smaller number is 15 and larger number is 36.

Keywords: linear equation, substitution

Learn more about linear equations at:

  • brainly.com/question/9720317
  • brainly.com/question/9621364

#LearnwithBrainly

5 0
3 years ago
Read 2 more answers
Two different types of tea are sold in your store. If you know 100 cups of tea were sold and one type sold 5 times as much as th
LiRa [457]

The answer can not be found from the given information

Step-by-step explanation:

Two different types of tea are sold in your store

  • You know 100 cups of tea were sold
  • One type sold 5 times as much as the other type

We need to find how much of each type of tea were sold

Assume that the two types are x and y

∵ x represents one type of tea

∵ y represents the other type of tea

∵ 100 cups of tea where sold

- Add x and y, then equate the sum by 100

∴ x + y = 100 ⇒ (1)

∵ x type is 5 times as much as y type

∴ x = 5y ⇒ (2)

Now we have a system of equations to solve it

Substitute x in equation (1) by equation (2)

∴ 5y + y = 100

∴ 6y = 100

- Divide both sides by 6

∴ y = 16.67

<em>But you know number cups must be whole numbers</em>

The number cups can be 102 <em>OR</em> one type is 4 times as much as the other type

If the number of cups is 102, then

85 cups of one type and 17 cups of the other type were sold

If one type is 4 times as much as the other type, then

80 cups of one type and 20 cups of the other type were sold

The answer can not be found from the given information

Learn more:

You can learn more about the system of equations in brainly.com/question/2115716

#LearnwithBrainly

8 0
3 years ago
A recipe calls for 4 quarts popcorn and 1/3 cup grated Parmesan cheese. If you wanted to make 3/4 of the recipe, how much popcor
butalik [34]

Answer:

3 quarts of popcorn and 1/4 cup of grated Parmesan cheese.

Step-by-step explanation:

Your welcome and don't forget to press that <u>THANKS </u>button!

4 0
4 years ago
Valerie sold 6 tickets to the school play and mark sold 16 tickets. What is the ratio of the number of tickets Valerie sold to t
Mkey [24]

6:16 or 3:8 I hope I helped u on this answer


6 0
3 years ago
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