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Brut [27]
4 years ago
5

Melanie can run around the track 9 times in 28 minutes. At this rate, how many laps can she run in 1 hour and 15 minutes ​

Mathematics
1 answer:
Sliva [168]4 years ago
5 0

Answer:

She can run 24 laps in 1 hour and 15 minutes.

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Please help! Correct answer only, please! The following information matrices show how many of each vehicle type sold and the bon
Julli [10]

Answer:

Hello There Again. The correct answer is Kelly.

Explanation: Because the most vehicle's was sale was Kelly. Because you need to Multiply 8x2=16x6=96. So the Correct answer is Kelly.

Hope It Helps! :)

5 0
3 years ago
It 3x - 2 = 7, then 3x = 9<br> is an example of the ?
vova2212 [387]

Answer:

Addition Property of Equality

Step-by-step explanation:

So we had:

3x-2=7

And then we got:

3x=9

We did this by adding 2 to both sides of the equation. When we added 2, the left side cancelled and the right side equated to 9:

(3x-2)+2=(7)+2\\3x=9

Since we added 2 to both sides, this is an example of the addition property of equality.

3 0
3 years ago
You estimate that there are 45 marbles in a jar. The actual amount is 82 marbles. Find the percent error. Round to the nearest t
Nataly_w [17]

Answer:

45.1

Step-by-step explanation:

The original amount is 82

But the wrong amount is 45

So we will have to calculate the percentage for the error

82-45

37

So %error= 37/82 ×100

=3700/82

=45.121~45.1( to nearest tenth)

So the final answer is 45.1%

6 0
3 years ago
5x+15y=75 WRITE Equation in Standard Form
sergeinik [125]

Answer:

15y=-1/3x+5

Step-by-step explanation:

-5x15y=-5x+75

6 0
3 years ago
PLEASE HELP I DON’T UNDERSTAND, WILL BE MARKED AS BRAINLIEST
andre [41]
13.) A=9cm^2
If the area is l•h, and there are 9 cubic squares, that means that the length of each side on the square is 3cm, each square on it equals 1cm.
14.) V=27cm^3
If the volume is l•w•h, then we find the third power square root of 27, so 3•3=9•3=27, the answer is 3cm for the length, width, and height.
15.) V=4,913cm^3
If volume is l•w•h, then what number when raised to the third power equals 4913? The answer is 17, since 17•17=289•17=4913. So the length is 17cm
16.)V=216cm^3
If volume is l•w•h, then what number when raised to the third power equals 216? The answer is 6, since 6•6=36•6=216.
17.)A=121
Is area is l•w, then what number raised to the second power equals 121? The answer is 11, since 11•11=121. Therefore it WILL NOT fit a car with a length of 13ft.
18.)A=141
If area is l•w, then what number raised to the second power equals 141? The answer is 12, since 11.87•11.87=141 (answer was rounded to nearest whole number) meaning that she will need 12ft of fence to enclose her garden.
3 0
3 years ago
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