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agasfer [191]
3 years ago
8

Which ratio is equivalent to 3:7 is it 6:7, 3:21, 24:56, or 15:30​

Mathematics
2 answers:
vampirchik [111]3 years ago
7 0
24:56 is the correct answer. if you divide both those numbers by 8 ( 24:56 ), you get 3:7
Elden [556K]3 years ago
4 0

Answer:

24:56 is equivalent to 3:7

Step-by-step explanation:

All you have to do is divide 24:56 by 8.

1. 24 ÷ 8 = 3

2. 56 ÷ 8 = 7

And there you go = 3:7

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Which expression is equivalent?
gregori [183]
The correct option is: Option (C) log_3c - log_{3}9

Explanation:
It is the property of log that if it contains the fraction, it can be expressed as the difference of the log of numerator and the log of denominator.

The general form is:
log( \frac{x}{y} ) = log(x) - log(y)

Hence the correct answer is log_3c - log_{3}9.


8 0
3 years ago
If the point (-1/2, y) lies on the line whose equation is 2x - 3y = 6, what is the value of y?
salantis [7]
Plug in the known x value

2(-1/2)-3y=6
-1-3y=6
-3y=7
y=-7/3

Final answer: -7/3
4 0
3 years ago
Solve -4r + 18= 6 I need this equation
schepotkina [342]
The answer I got is R=3
3 0
3 years ago
Read 2 more answers
How do I make a the subject?<br><br> S= a/4 + 8u
Crazy boy [7]
S= a/4 + 8u

S - 8u = a/4 (First you subtract 8u from both sides)

4(S - 8u) = a ( Then you multiply both sides by 4)

Final answer:
4(S - 8u) = a
8 0
3 years ago
Solve y=-3x² + 4.5x – 20<br> Use the Quadratic formula
statuscvo [17]

Answer:

x=0.75 \pm 2.47067i

Step-by-step explanation:

Quadratic Formula: x=\frac{-b \pm \sqrt{b^2-4ac} }{2a}

√-1 is imaginary number i

Step 1: Define

y = -3x² + 4.5x - 20

a = -3

b = 4.5

c = -20

Step 2: Substitute and Evaluate

x=\frac{-4.5 \pm \sqrt{4.5^2-4(-3)(-20)} }{2(-3)}

x=\frac{-4.5 \pm \sqrt{20.25-240} }{-6}

x=\frac{-4.5 \pm \sqrt{-219.75} }{-6}

x=\frac{-4.5 \pm \sqrt{219.75}(\sqrt{-1} ) }{-6}

x=\frac{-4.5 \pm i\sqrt{219.75} }{-6}

x=\frac{4.5 \pm i14.824 }{6}

x=0.75 \pm 2.47067i

7 0
3 years ago
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