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vovikov84 [41]
3 years ago
10

Change 21 out of 71 to a percentage. Give your answer to 1 decimal place

Mathematics
2 answers:
ad-work [718]3 years ago
7 0

Answer:

ans 1. 29.5

ans 2. 18.1

ans 3. 27.9

ans 4. 75.4

I hope it helps....

melisa1 [442]3 years ago
3 0
1. 29.6%
2. 18.1%
3. 27.9%
4. 75.4%
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Find the intercepts and graph the equation. 7x +5y=12
vazorg [7]

Answer:

y-intercept: (0, 12/5) or (0, 2.4)

x-intercept: (12/7, 0) or (1.714, 0)

Step-by-step explanation:

The y-intercept is the point where the graph crosses the y-axis. That means, the point (0, yi). To find yi, we have to substitute x by 0 in the equation.

7x + 5y=12

7*0 + 5y = 12

y = 12/5 = 2.4

y-intercept: (0, 12/5) or (0, 2.4)

The x-intercept is the point where the graph crosses the x-axis. That means, the point (xi, 0). To find xi, we have to substitute y by 0 in the equation.

7x + 5y=12

7x + 5*0 = 12

x = 12/7 = 1.714

x-intercept: (12/7, 0) or (1.714, 0)

Finally, the graph is shown below.

3 0
1 year ago
How do I do this problem?
goldenfox [79]

so a quadrilateral is a figure with 4 sides. So looking at the picture I see 5 rhombi and 7 squares. So all together thats 12 quadrilaterals  

So to find the ration you have to do:

amount of thing: whole

so in this case it would be

12:24

which you can simplify

normally you'd simplify to 1:2 but that doesn't seem like an option so I'd go with the one closest to that ratio


4 0
3 years ago
Read 2 more answers
A number that, when multiplied with another number, yields a result of 1 is called its multiplicative ____.
Aliun [14]

Answer:

multiplicative inverse

Step-by-step explanation:

A number that is multiplied by it's multiplicative inverse equals one.

A multiplicative inverse is also called a reciprocal.

Example:

1/7 is 7's multiplicative inverse.

\frac{7}{1} *\frac{1}{7} =\frac{7}{7} =1

5 0
3 years ago
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Evaluate the function
siniylev [52]
(3*2)^2-(2*2)+5
36-4+5
=37
8 0
3 years ago
Austin is on the swim team. Each week he swims a total of 3000 meters. How many kilometers does he swim each week?
marishachu [46]

Answer:

3 km

Step-by-step explanation:

<em>(NOTE: One kilometer is 1000 meters)</em>

Divide 3000 by 1000 to get 3

8 0
2 years ago
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