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Effectus [21]
3 years ago
15

laurel went swimming 7 times in 3 weeks. one time she swam for 1 1/2 hours. The other 6 times she swam for 30 minutes each time.

How many hours did Laurel swim in 3 weeks?
Mathematics
1 answer:
saw5 [17]3 years ago
5 0
She swam 12 hours in 3 weeks.
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Number of rides marine can go on ?
saul85 [17]

Answer:

Check step by step explanation

Step-by-step explanation:

a) Let x represent the amount of rides she takes, the 6 and 2.5 represent the amount of money required to enter

A(x) = 1.5x + 6

B(x) = 2x + 2.5

b) You can find this by making the 2 equations equal to each other and solving for x

1.5x + 6 = 2x + 2.5

3.5 = .5x

7 = x

7 rides make them equal cost

c) Plug in 5 for each of the equations and find out which one is cheaper

A(5) = 1.5 * 5 + 6

A(5) = $13.50

B(5) = 2 * 5 + 2.5

B(5) = $12.50

Carnival B is cheaper

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3 years ago
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rjkz [21]
Matching gloves........
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3 years ago
Given that y varies directly with x in the table below, what is the value of y if the value of x is 7?
Paha777 [63]

Answer:

y = 42

Step-by-step explanation:

Given that y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use an ordered pair from the table.

Using x = 2 when y = 12, then

12 = 2k ( divide both sides by 2 )

6 = k

y = 6x ← equation of variation

When x = 7, then

y = 6 × 7 = 42

4 0
3 years ago
Read 2 more answers
Can anyone rewrite the quadratic function in standard form?
ycow [4]

Answer:

So we first open multiply the parenthesis by 9. 9x+5 is what it is. Now we need to simply it even more with the 2 parenthesis

(9x+5)(x+1) = 9x^2+9x+5x+5 = 9x^2+14x+5

<h2><u>Answer: 9x^2+14x+5</u></h2>

3 0
3 years ago
A shirt was originally priced at $55. The store is having a 35% off sale. How much will you pay for the shirt after the discount
olga_2 [115]

Answer:

$35,75

Step-by-step explanation:

55 . 35 / 100 = 19,25

55 - 19,25 = 35,75

3 0
2 years ago
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