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3 years ago

For every 7.5 miles alberto jogs,he walks 2 miles.How many miles does he walk if he jogs 60 miles?

2 answers:

5 0

Answer: First you would divide 60 by 7.5 which will get you 8 that means Alberto ran 8 sets of 7.5 miles essentially. So then you would multiply 8 by 2 to determine how many miles he walked, which would equal 16. So in jogging 60miles he walked 16 miles

Step-by-step explanation:

Zanzabum3 years ago

4 0

Answer: He would walk 16 miles.

Step-by-step explanation:

Fristly lets break this problem down

60/8 = 7.5 jogging miles

7.5 jogging miles x 8 = 60

2 walking miles x 8 = 16

So he walked 16 miles

please give brainlest if this helped!

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3 years ago

The roots of 2x^2-3x=4 are a and b. Find the simplest quadratic equation which has roots 1/a and 1/b

Tju [1.3M]

Find the roots

solve
we use hmm, completing the suare
2(x²-1.5x)=4
divide both sides by 2
x²-1.5x=2
take 1/2 of linear coeiftn and square it
-1.5/2=-0.75, (-0.75)²=0.5625
add that to both sides
x²-1.5x+0.5625=2+0.5625
factor perfect squaer trinomial
(x-0.75)²=2.5625
square root both sides, remember to take positive and negative square roots
x-0.75=+/-√2.5625
add 0.75 to both sides
x=0.75+/-√2.5625

the roots are x=0.75+√2.5625 and x=0.75-√2.5625

1/a and 1/b
1/(0.75+√2.5625) and 1/(0.75-√2.5625)

if the roots of a quadratic equation are r1 and r2 then it factors to
(x-r1)(x-r2)
so then we can factor our equation to be
$(x-\frac{1}{0.75+\sqrt{2.5625}})(x-\frac{1}{0.75-\sqrt{2.5625}})$

if we were to try and expand it, we would get
x²+0.75x-0.5
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x²+0.75x-0.5 is answer

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3 years ago

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xxTIMURxx [149]

Well, let us figure out what the first store will cost.
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Hello !

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3 years ago

Body fat percentage was found to be 16.5% and the person weighs 124 pounds what part in pounds of the body weight is fat

puteri [66]

Answer:

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Step-by-step explanation:

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3 years ago

For every 7.5 miles alberto jogs,he walks 2 miles.How many miles does he walk if he jogs 60 miles?​

For every 7.5 miles alberto jogs,he walks 2 miles.How many miles does he walk if he jogs 60 miles?