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Mariana [72]
3 years ago
5

i need help on a story problem? Jason ran 5/7 of the distance around the school track. Sara ran 4/5 of Jason's distance. What fr

action of the total distance around the track did Sara run?
Mathematics
1 answer:
julia-pushkina [17]3 years ago
3 0
The first thing you do is to find the lowest common multiple of 5 and 7.What you do on the bottom, you must do on the top 25/35 / 28/35.  The answer is 25/28.  Sara ran 25/28 of the total distance around the track. 
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Choose the equation that satisfies the data in the table.
Zanzabum

Answer:

B. y = \frac{2}{15} X + 2

Step-by-step explanation:

I. Given x = 15 and y = 4

         4 = \frac{2}{15}(15) + 2

         4 = 2+2

         4 = 4 true

II. Give x = 0 and y = 2

         2 = \frac{2}{15}(0) + 2

         2 = 0 + 2

         2 = 2 true

III. Given x = -15 and y = 0

         0 = \frac{2}{15}(-15) + 2

         0 = -2 + 2

        0 = 0 true

Good luck.

6 0
3 years ago
If f(x) = 7x- 6, which of the following is the inverse of kx)?​
Yanka [14]

Step-by-step explanation:

f(x) = 7x - 6

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<u>Inverse</u>

y = 7x - 6

x = 7y - 6

x + 6 = 7y

y =  \frac{x + 6}{7}

{f}^{ - 1} (x) =  \frac{x + 6}{7}

3 0
2 years ago
if a halloween shop in the us buys 20,000 trump masks for $5 each and sells each for $20 each how much money will they make in p
Komok [63]
300,000 dollars

20-5= 15
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6 0
2 years ago
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Factor 12q^2+34q-28. Include list of factors.
Misha Larkins [42]

Answer:

2(2q+7)(3q-2)=0

Step-by-step explanation:

lets set up the equation equal to 0:

12q^2+34q-28=0

now, lets factor:

2(6q^2+17q-14)=0

2(2q+7)(3q-2)=0

now, lets find the solutions:

2q+7=0

2q=-7

q=-3.5

3q-2=0

3q=2

q=2/3

5 0
3 years ago
Naomi's fish is 40 millimeters long. Her guinea pig is 25 centimeters long.
user100 [1]

Answer:

21cm

Step-by-step explanation:

<em>Solution,</em>

<em>Length of fish=40mm=40/10=4cm</em>

<em>Length of pig=25cm</em>

<em>Now, </em>

<em>Difference of their length=25cm-4cm=21cm</em>

<em />

<em>Hence,the pig is 21cm long than the fish</em>

5 0
2 years ago
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