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Svetlanka [38]
4 years ago
8

4/5 + (1/2 - 3/7) x 2

Mathematics
2 answers:
Serjik [45]4 years ago
7 0
33/35 is the answer because you first subtract which gives you 1/14 then you multiply which gives you 1/7 then finally you add which gives you 33/35
Lady bird [3.3K]4 years ago
7 0
Subtract the fractions, reduce the numbers with greatest common divisor 2, and finally add the fraction and it with equal to 33/35
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35. What percentage is 12 minutes of 4 hours?
Elodia [21]

Answer:

5\%

Step-by-step explanation:

4h = 4  \times 60 \: minutes \\  = 240 \: min \\  \\  \frac{12}{240}  \times 100\% \\  = 5\%

hope this helps you.

Can I have the brainliest please?

have a nice day!

6 0
3 years ago
Read 2 more answers
If f(x) = 2x^2 + 2, find f(5)
zlopas [31]

Well, following the order of PEMDAS, I got choice B. 52

For instance, when you plug in 5 for x, you get F(5)=2(5)^2+2.

Moreover, following PEMDAS, you're supposed to solve what's inside the parenthesis, but since there is no operation going on inside the parenthesis, then you simple move on to the exponent.

In this case, you square the number 5, which gives you F(5)=2(25)+2

After that, you Multiply (letter M in PEMDAS). This results in F(5)=50+2.

Finally, you add them, which results in F=52.


By the way, I noticed a mistake in your work. When multiplying 2 by 5, the answer is 10, not 20.

Anyway, hope this helped! :-)  

8 0
4 years ago
Please just help with the first qu ?!!!
choli [55]
The answer is 0.67, simply show your work subtracting then and you get that number, it’s basic subtraction, only you have to count the decimal points to put them in the correct spot
3 0
4 years ago
Do these pair of ratios form a proportion 4/3 and 16/12
VMariaS [17]
Yes they do.
16/12 and 4/3 forms of proportion
:^)

7 0
3 years ago
The cost of renting a car for a day is given by the linear function C(x)=0.09x +27, where C(x) is in dollars and x is the number
gulaghasi [49]

Answer:

C(x) = 38.7

Step-by-step explanation:

C(x)= 0.09(130)+27

C(x)= 11.7+27

C(x)= 38.7

4 0
3 years ago
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