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mr Goodwill [35]

2 years ago

6

Graham walked to school at an average speed of 3 miles an hour and jogged back along the same route at 5 miles an hour. If his t

otal traveling time was 1 hour, what was the total number of miles in the round trip?

1 answer:

Katen [24]2 years ago

3 0

x/3 + x/5 = 1 hr

8x/15 = 1 hr

x = 15/8

15/8 times 2 for round trip. 15/4 miles or 3.75 miles total

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kiruha [24]

1 month = 17 536
6 months = 17 536 x 6
6 months = 105 216

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Ans: 105 216 miles
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8 0

3 years ago

Read 2 more answers

Which set of lengths are not the side lengths of a right triangle? (A-28, 45, 53) (B-13, 84, 85) (C-36, 77, 85) (D-16, 61, 65) [

nikklg [1K]

Side lengths 16, 61, and 65 are not part of a right triangle.

A right triangle's sides should follow this formula, C being the largest number:

$a^{2} + b ^{2} = c^{2}$

$16^{2} = 256$

$61^{2} = 3721$

$65^{2} = 4225$

256 + 3721 = 3977

$3977 \neq 4225$

6 0

3 years ago

PLEASE HELP ME WITH THIS! ASAP!!!!!!!

marusya05 [52]

Hold on i believe its C but let me go look on google and i'll get back to you to sure

3 0

3 years ago

In circle O, AP = √10, PB = x and BC = 3. Find the value of x.

Artyom0805 [142]

Answer:

The value of x is $2\ units$

Step-by-step explanation:

we know that

Applying the tangent-secant theorem

$AP^{2}=PB*PC$

substitute the values and solve for x

$\sqrt{10}^{2}=x*(x+3)$

$10=x^{2}+3x$

$x^{2}+3x-10=0$

using a graphing tool

to solve the quadratic equation

The solution is $x=2\ units$

see the attached figure

7 0

3 years ago

Which question is statistical?

den301095 [7]

The answer is probably C or D

5 0

3 years ago