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3 years ago

How do you solve this complex fraction

Mathematics

1 answer:

SVEN [57.7K]3 years ago

4 0

If I am correct it will equal 23.
Explanation: x2 + 4x +2 =7, x2 +x+3 =23

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Mr. Walker, a runner, asked students to find the unit rate of the winner of the first Boston Marathon in 1897. John J. McDermott

EleoNora [17]

Answer: 8.4 miles per hour

Step-by-step explanation:

Since, total distance = 24.5 miles,

Time taken = $175 \text{ minutes} = \frac{175}{60} \text{ hours} =\frac{35}{12} \text{ hours}$

Thus,

$\text{ The unit rate} = \frac{\text{ Total distance}}{\text{ Time taken}}$

$=\frac{24.5}{35/12}$

$=\frac{294}{35}$

$=8.4\text{ miles per hour}$

6 0

3 years ago

In the given triangles below, ∆PQR ~ ∆STR. Find the missing length.

krek1111 [17]

Answer:

Step-by-step explanation:

3 0

2 years ago

Its really bad how im not educated in math but atleast this is my final worksheet xd.

Alex73 [517]

Answer:

For the first question the answer is 7/8 and for the second 1 the answer is 10/10 or 1/10

Step-by-step explanation:

you subtract 1/2 from 1 3/4 and get 7/8 same for the bottom question subtracted 1/4 from 2 1/2 for you answer.

4 0

2 years ago

Please Help! I’m to lazy to do it my self TwT

zvonat [6]

Answer:

Step-by-step explanation:

multiples of 5 are 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

multiples of 4 are 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80

the least common multiple they have is 20 mark brainliest thanks

8 0

3 years ago

Find the general solution of the given differential equation. x2y' + xy = 8 y(x) = give the largest interval over which the gene

topjm [15]

$x^2y'+xy=8$
$xy'+y=\dfrac8x$
$(xy)'=\dfrac8x\implies xy=8\ln|x|+C\implies y=\dfrac{8\ln|x|}x+\dfrac Cx$

which wouldn't be a valid solution over any interval containing $x=0$ .

5 0

3 years ago