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ella [17]
3 years ago
13

Which ratio is greater, 4:5 or 3:4?

Mathematics
2 answers:
Grace [21]3 years ago
7 0
4:5
explanation-

Express the given ratios as fraction

4 : 5 = 4/5 and 2 : 3 =2/3

Now find the L.C.M (least common multiple) of 5 and 3

The L.C.M (least common multiple) of 5 and 3 is 15.

Making the denominator of each fraction equal to 15, we have

4/5 = (4 ×3)/(5 ×3) = 12/15 and 2/3 = (2 ×5)/(3 ×5) = 10/15

Clearly, 12 > 10

Now, 12/15 > 10/15

Therefore, 4 : 5 > 2 : 3.
kenny6666 [7]3 years ago
3 0

Answer:

4:5

Step-by-step explanation:

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Andrej [43]

Answer:

81

Step-by-step explanation:

Set up a proportion to find how many total students there are [notice how females are on top and totals are on the bottom of the ratios]

\frac{4}{9} = \frac{396}{x} so cross multiply 4x = 396(9) so x = 891, if there are a total of 891 students and you need 1 teacher per 11 students then take 891/11 so you need 81 teachers.

You could set up another proportion 1/11 = x/891

6 0
4 years ago
I don't know how to solve this:
kvasek [131]

Answer:

18, 72

Step-by-step explanation:

Two angles are complementary if they sum up to 90°. Call them x, (90-x). From the second part,

3 x = 90-x+18 \\4x = 72 \\x= 18

The second angle is 90-18 = 72

4 0
3 years ago
The model below represents the equation 2x + 3=11​
ivann1987 [24]

Answer:

C

Step-by-step explanation:

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7 0
3 years ago
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How do you find values of pro-numerals ?
QveST [7]
To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.
3 0
3 years ago
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The function g(x) is graphed on the coordinate grid. What is the domain of g(x)? x≥5 x>5 x≥0 x>0
Umnica [9.8K]

The domain of the function g(x) is x >= 5

<h3>How to determine the domain?</h3>

The complete question is added as an attachment

From the graph, we have the smallest value of x to be 5.

And the value of x increases to the right

This means that:

x >= 5

Hence, the domain of the function g(x) is x >= 5

Read more about domain at:

brainly.com/question/10197594

#SPJ1

6 0
2 years ago
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