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olchik [2.2K]
3 years ago
14

Which pair of ratios form a true proportion

Mathematics
1 answer:
Delicious77 [7]3 years ago
7 0
Hey there! 

I'd say your answer would most likely be Option C

Because you can multiply the \frac{3}{5} by 2 (numerator and denominator by 2 ) to get the fraction \frac{6}{10}

\frac{3(2)}{5(2)} =  2(3) = 6 = 5(2)= 10 =  \frac{6}{10}

Good luck on your assignment and enjoy your day! 

~LoveYourselfFirst:)
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I need help on this question so if u actually can answer it correctly and show how you got it that would be helpful thx
Sedaia [141]

\rm \looparrowright -  \frac{1}{4} (8 - 4 + 20x)

Subtract the numbers

\rm \looparrowright -  \frac{1}{4} (4+ 20x)

Factor out 4 from the expression

\rm \looparrowright   - \frac{1}{ \cancel4}  \times  \cancel4(1 + 5x)

\rm \looparrowright   - (1 + 5x)

When there is a - in front of an expression in parentheses, change the sign of each term in the expression to -

\rm \looparrowright   - 1  -  5x

  • <em>Thus, Options A and F are correct!!~</em>
6 0
2 years ago
Seattle, wa and san francisco, ca lie on the same longitudinal line. san francisco is at 38° latitude and seattle is at 47° lati
Varvara68 [4.7K]

Step 1.

Calculate measure of angle α:

47^o-38^o=9^o

Step 2.

Calculate what fraction of the angle 360° ​​is the angle α:

\dfrac{9^o}{360^o}=\dfrac{1}{40}

Step 3.

Calculate the circumference of the Earth (circle):

C=2\pi r\to C=2\pi\cdot4000=8000\pi\ mi

Step 4.

The length of arc is equal 1/40 of the circumference:

\dfrac{1}{40}C=\dfrac{1}{40}\cdot8000\pi=200\pi\ mi

\pi\approx3.14\to\dfrac{1}{40}C\approx200\cdot3.14=628\ mi


<h3>Answer: A) 628 miles</h3>

8 0
2 years ago
Amanda is riding her bicycle. She rides for 17.5 kilometers at a speed of 7 kilometers per hour. For how many hours does she rid
Misha Larkins [42]
She was riding for 2 hours and 30 mins
8 0
3 years ago
Which of the following represents a function?
Svetlanka [38]
Is there a none option? if not then it has to be B.
7 0
3 years ago
Read 2 more answers
HELP PLEASEEEE FAST<br> 128<br> 164<br> 140
kenny6666 [7]

Answer: 140 m3

Step-by-step explanation:

Multiply the area of the trapezoid face by the length .

Since the area is 20, you multiply it by 7 to get 140

7 0
3 years ago
Read 2 more answers
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