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11Alexandr11 [23.1K]
3 years ago
7

A study of a population of 1,200 frogs revealed that 12 out of every 180 frogs in the population have spots on their back. Based

on the results of this study, how many frogs do not have spots on their back? Explain.
Mathematics
1 answer:
anygoal [31]3 years ago
6 0

Answer:

80 spotted frogs

Step-by-step explanation:

We can write a ratio

spotted frogs:frogs

12:180

x:1200

To solve we just multiply 12*6.66667 (because this is what we multiplied 180 to get to 1200)

the answer is 80

You might be interested in
Which divisor of -2x? – 2x2 + 2x – 5 results in a remainder of 83?
Greeley [361]

Answer:

2x-5

Step-by-step explanation:

im not sure

mark brainliest if it helps

6 0
3 years ago
Is x = 9 in the solution set of the inequality x + 14 &lt; 20<br> Yes or no
notsponge [240]

Answer: No

Step-by-step explanation:

Data: x+14<20

x=9? Is what your trying to find

<u>Step one, Isolate x by subtracting 14 on both sides</u>

X+14-14<20-14=X=6

Reason: Since you are trying to find if x=9, you have to isolate it. The way to do that is to get rid of +14 by subtracting it by 14. However, since what you do to one side you do to the other, you subtract +20 by 14 to get 6.

Since x=6 isn't x=9, the answer is No

Answer: No

I hope this helps!

7 0
3 years ago
What is the written problem 2340÷53
Maslowich
It would be two-thousand three hundred forty divided by fifty-three.

Answer=44.15094


Hope this helps!
Can u plz mark me as brainliest? I really need it!
3 0
3 years ago
Read 2 more answers
Use the function f (x) = 2x^2 – 5.<br><br>(Look at picture)
Akimi4 [234]

Answer:

C

Step-by-step explanation:

By the definition of an inverse function, if:

f(a)=b\text{ then } f^{-1}(b)=a

Therefore, the domain of the original function will be the range of the inverse function.

And the range of the original function will be the domain of the inverse function.

We have the original function:

f(x)=2x^2-5

With the domain:

-\infty

Since the domain of the original function is such, then the range of the inverse function is also the same as above.

So, the range of the inverse function is also:

-\infty< f^{-1}(x)< \infty

So, our answer is

C.

Notes:

A, B, and E would automatically be incorrect since we never use ”or equal to” when using the infinity symbol. This is because we can never “equal” infinity.

3 0
3 years ago
When their child was born, her parents invested $40,000 in a plan guaranteed to increase by 3% per year. The logarithmic functio
11Alexandr11 [23.1K]
this is a really long question dang
3 0
4 years ago
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