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Murrr4er [49]
3 years ago
11

Here is a tape diagram representing the ratio of red paint to yellow paint in a mixture of orange paint.

Mathematics
1 answer:
Vinvika [58]3 years ago
3 0

Answer:

2:3

Step-by-step explanation:

So there are 9 cups of red paint

There are 6 cups of yellow paint

Now we need yellow:red

6:9

Simplify it

2:3

So the ratio is 2:3 for yellow to red paint

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A person's heart beats 200 times in 3 minutes. How many times will it beat in an hour (remember...60 minutes in an hour) ?​
andreev551 [17]

200 times / 3 minutes = x times / 60 minutes

3x = 12000

x = 4000 times in an hour

A person's heart will beat 4000 times in an hour.

Hope this helps!! :)

6 0
3 years ago
Read 2 more answers
Use the definition of a derivative to find f’(x).
tatyana61 [14]

Answer:

f'(x) = -\frac{9}{x^2}

Step-by-step explanation:

i) f(x) = 9 / x

ii) f'(x)  = $\lim_{h\to 0} \frac{f(x+h) - f(x)}{h} $  \hspace{0.2cm}

        = $\lim_{h\to 0} \frac{\frac{9}{x+h}  - \frac{9}{x} }{h}  =  \hspace{0.1cm} $\lim_{h\to 0} \frac{9x - 9(x+h)}{hx(x+h)} $ \hspace{0.1cm} =  \hspace{0.1cm}$\lim_{h\to 0} \frac{-9h}{hx(x+h)}  =  $\lim_{h\to 0} \frac{-h}{x(x+h)} = \frac{-9}{x^2}$

7 0
3 years ago
Find the midpoint of the segment with the following endpoints. (7,−2) and (1,−10)
Zinaida [17]

Answer:

The answer is

<h2>(4 \:  , \:  - 6)</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a line segment can be found by using the formula

<h3>M  = ( \frac{x1 + x2}{2} ,  \:  \frac{y1 + y2}{2} )</h3>

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(7,−2) and (1,−10)

The midpoint is

<h3>M = ( \frac{7 + 1}{2}   ,  \:  \frac{ - 2 - 10}{2} ) \\  = ( \frac{8}{2} , \:  -  \frac{12}{2} )</h3>

We have the final answer as

<h3>(4 \:  , \:  - 6)</h3>

Hope this helps you

3 0
3 years ago
The data set of water consumption for a small town in gallons per day is listed below. What is the effect on the mean and standa
Snowcat [4.5K]

Answer:

Step-by-step explanation:JHVJVVH

8 0
2 years ago
In an 8-woman race, gold, silver and bronze medals are to be given to the first, second, and third place finishers. Assuming no
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There are 8 women and 3 awards. 8×3=24. B. 24 Ways.
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