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san4es73 [151]
3 years ago
6

A proportion is an equation stating that two ratios are equivalent. False True

Mathematics
2 answers:
Stells [14]3 years ago
8 0
Answer: True

Explanation: proportional ratios are equivalent ratios. It can be written as a/b=c/d with fractions or as a:b=c/d with semi colons.
Oduvanchick [21]3 years ago
3 0

Answer:

A proportion is simply a statement that two ratios are equal. It can be written in two ways: as two equal fractions

Therfore it is true

We can multiply all values by the same amount and still have the same ratio.

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THIS IS THE T H I R D TIME IVE POSTED THIS P L E A S E ANSWER
Goshia [24]

Find common denominators. 10 is the common denominator. Multiply 2 to numerator and denominator of -3/5

(-3/5)(2/2) = -6/10

x + 1/10 = -6/10

Isolate the x. Subtract 1/10 from both sides

x + 1/10 (-1/10) = -6/10 (-1/10)

x = -6/10 - 1/10

x = -7/10

-7/10 is your answer for x

hope this helps

4 0
3 years ago
When Vivian was born, her grandparents decided to help save for her college education. They put $2000 in an account that pays 1.
melomori [17]

Answer:

P = 2000 * (1.00325)^(t*4)

(With t in years)

Step-by-step explanation:

The formula that can be used to calculated a compounded interest is:

P = Po * (1 + r/n) ^ (t*n)

Where P is the final value after t years, Po is the inicial value (Po = 2000), r is the annual interest (r = 1.3% = 0.013) and n is a value adjusted with the compound rate (in this case, it is compounded quarterly, so n = 4)

Then, we can write the equation:

P = 2000 * (1 + 0.013/4)^(t*4)

P = 2000 * (1.00325)^(t*4)

4 0
3 years ago
Which term is a perfect square of the root 3x4?<br>​
Volgvan

Answer:

4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Solve the equation : x^(2)+5=3(x^(2)-3)
Fittoniya [83]

Answer:

x = ± 2

Step-by-step explanation:

Given

x² + 5 = 3x² - 3 ( subtract x² + 5 from both sides )

0 = 2x² - 8 ( add 8 to both sides )

8 = 2x² ( divide both sides by 2 )

4 = x² ( take the square root of both sides )

x = ± \sqrt{4} = ± 2

6 0
3 years ago
Use the parabola you graph the quadratic function y = x^2 + 4x + 5 graph the parabola by first plotting its vertex and then plot
SVETLANKA909090 [29]

Answer:

Vertex : (-2,1)

other points : (0,5) & (-4,5)

Step-by-step explanation:

6 0
3 years ago
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