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FromTheMoon [43]
3 years ago
10

Urgent! Please help! I need help with all questions. Please give a type of explanation

Mathematics
1 answer:
Ganezh [65]3 years ago
8 0
Try and figure it out by yourself so you won't have to admit that you don't know and you won't look dumb
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Kaya devoted 2/5 of her study time to mathematics, 3/20 of her time to social studies, 1/3 of her time to chemistry and the rema
andrezito [222]

Answer:

  54 minutes

Step-by-step explanation:

The sum of fractions is ...

  2/5 + 3/20 + 1/3 = 11/20 +1/3 = (3·11 + 20·1)/(20·3) = 53/60

Then the 42 minutes devoted to English represents 1 - 53/60 = 7/60 of her study time.

Kaya's social studies time is 3/20 = 9/60 of her total, so the ratio of SS to Eng is ...

  SS : Eng = (9/60) : (7/60) = 9 : 7

When we multiply the numbers in this ratio by 6, we find ...

  SS : Eng = 54 : 42

Kaya spent 54 minutes studying social studies.

5 0
3 years ago
If f(x)=3x^2+1 and g(x)=1-x, what is the value of (f-g)(2)?
madam [21]
The answer is 14 you just have to substitute x with the given number and finish the equation
3 0
3 years ago
Read 2 more answers
In the city of Manhattan, it takes about 13 Starbucks to serve every 100,000 people. As of 2019, Manhattan has
astraxan [27]

Answer:

9.207

Step-by-step explanation:

To get the amount of starbucks for the population we can do

\frac{13 * 1629000}{100000}

which gives us 211.77 total Starbucks in 23 miles.

To get starbucks per mile, we divide this number by 23.

This gives us 9.207

7 0
3 years ago
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What is the answer to 1
Burka [1]
The answer is 21. 75²=5625 72²=5184 5625-5184=441 √441=21 so 21 is your answer. I hope this helps. The formula to figure out the hypotenuse A²+B²=C² can also be used to find a leg. Since we have one leg and the hypotenuse I was able to figure this out.
8 0
3 years ago
The product of a rational number
kati45 [8]

Answer:

I think it's true. hope this helps!!

6 0
3 years ago
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