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3 years ago

Which pair of ratios can form a true proportion?

2 answers:

8 0

3/5 and 6/10 are a true proportion. Just simplify the fractions and see which ones have been factored down enough to be the same.

Kamila [148]3 years ago

7 0

A true proportion is an equation that states that two ratios are equal.

1) The given ratios in their lowest form are:

$\frac{1}{2} and \frac{6}{10} =\frac{3}{5}$

The two ratios are not equal.

2) The given ratios in their lowest form are :

$\frac{6}{8} =\frac{3}{4} and \frac{5}{20} =\frac{1}{4}$

The two ratios are not equal.

3) The given ratios in their lowest form are :

$\frac{3}{5} and \frac{6}{10} =\frac{3}{5}$

The two ratios are equal and hence it is True proportion

4) The given ratios in their lowest form are :

$\frac{3}{9} =\frac{1}{3} and \frac{7}{80}$

The two ratios are not the same .

The third option the ratios $\frac{3}{5} and \frac{6}{10}$ are in true proportion.

You might be interested in

Given the point (10, 25) and m = 2.5 , write the equation for the function m(t) point-stope form.

dalvyx [7]

Answer:

the equation for the function m(t) point-stope form will be:

$y - 25 = 2.5 (x - 10)$

Hence, option D is correct.

The graph is attached below.

Step-by-step explanation:

Given

Point (10, 25)

Slope m = 2.5

To determine

Write the equation for the function m(t) point-stope form.

We know that the point-slope form of the line equation is

$y-y_1=m\left(x-x_1\right)$

where

m is the slope of the line

(x₁, y₁) is the point

In our case:

m = 2.5

(x₁, y₁) = (10, 25)

substituting the values m = 2.5 and the point (10, 25) in the equation

$y-y_1=m\left(x-x_1\right)$

$y - 25 = 2.5 (x - 10)$

Therefore, the equation for the function m(t) point-stope form will be:

$y - 25 = 2.5 (x - 10)$

Hence, option D is correct.

The graph is attached below.

8 0

3 years ago

Please solve question 6, doing surds

Amiraneli [1.4K]

See the attached diagram, it has all the information you need.

(a) If the green radii are all 1, then the orange diameters are all 2 + √2, so that the orange radii are (2 + √2)/2 = 1 + √2/2.

This is because we can join the radii of two adjacent green circles to form the sides of a square with side length equal to twice the radius - i.e. the diameter - of the green circles. The diagonal of any square occurs in a ratio to the side length of √2 to 1. Then we get the diameter of an orange circle by summing this diagonal length and two green radii, and hence the radius by dividing this by 2.

(b) We get the blue diameter in the same way. It has length (2 + √2) (1 + √2/2) = 3 + 2√2, so that the blue radius is (3 + 2√2)/2 = 3/2 + √2.

7 0

3 years ago

after 30 yaers earning 5% interest compounded annually the balance of a saving account is 45,880 what was the original deposit i

Soloha48 [4]

Answer:

idk lol im sorryyyyyyyyyyy

5 0

3 years ago

_______________________<br>please help

Neporo4naja [7]

The answer is they can remain playing for 2,401 minutes because 2^4 =16 so you do 7^4 as well and that gives u your answer

6 0

3 years ago

A national survey indicated that 50% of adults conduct their banking online. It also found that 20% are younger than 50, and

Arisa [49]

Answer:

The probability that a person is younger than 50 given that she uses onling banking is 1.5%

Step-by-step explanation:

The survey indicated that 50% of adults conducts their banking online.

P(online banking customers) =1/2

Of the total number of customer that bank online, the survey stated that 20% of them are younger than 50 years.

P(customers younger than 50 yrs) =1/5

Out of the 20% than are younger than 50, we were told that 15% of them conduct online banking.

P(younger than 50 online banking customer) =3/20

Therefore the the probability that a = person is younger than 50 given that she uses online banking is P = 3/20*1/5*1/2 =17==3/200 = 0.015 =1.5%

The probability that she is younger than 50 does not increase or decrease with additional information, it only makes it clearer.

3 0

4 years ago