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topjm [15]
3 years ago
14

Evaluate 9÷3[(20-7)-2^2]

Mathematics
1 answer:
german3 years ago
3 0

Answer:

43

Step-by-step explanation:

You will have to use the PEMDAS rule here. so Parntheses goes first, then exponents, then mutiplicaton or division, and finally addition or subtraction.

20-7= 13

-2^2 = (-2 * -2) = 4

9/3 = 3

so... 13*3 = 39+4 =43

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Find the quotient of 2 3/5 ÷ 1 2/5 Give your answer as a mixed number in its simplest form.
RoseWind [281]

The  quotient of 2 3 / 5  ÷ 1 2 / 5 as a mixed fraction is 1 6 / 7

<h3>What is quotient?</h3>

Quotient is the answer obtained when we divide one number by another. Therefore,

2 3 / 5  ÷ 1 2 / 5

let's convert the mixed fraction to improper fractions.

2 3 / 5  = 13 / 5

1 2 / 5 = 7 / 5

Therefore,

13 / 5  ÷  7 / 5 = 13/ 5 × 5 / 7

13/ 5 × 5 / 7 = 13 / 7 = 1 6 / 7

Therefore, the quotient of 2 3 / 5  ÷ 1 2 / 5 is 1 6 / 7

learn more on quotient here: brainly.com/question/4824199

#SPJ1

5 0
2 years ago
How many hours would you have to ride your bike at 10 mi/h to burn 550 calories? (Per Minute)
vesna_86 [32]

Answer:

The  time spend to burn energy is 3300 minutes  .

Step-by-step explanation:

Given as :

The speed at which the bike ride = 10 miles per hours

The energy burn while riding = 550 calories

Let The time spend to burn energy = t minutes

So, According to question

Time spend = \dfrac{\textrm Energy burn}{\textrm rate of ride}

i.e t = \dfrac{550}{10} hours

∴  t = 55 hours

So, in minutes

The time spend

1 hours = 60 min

∴ 55 hours = 60 × 55 = 3300 minutes

So, The spend to burn energy = t  = 3300 minutes

Hence The  time spend to burn energy is 3300 minutes  . Answer

4 0
4 years ago
If f(x)=x-6 and g(x)=x^3, find G(f(x)) a)x^3(x-7) b)x^3-7 c)x^3+x-7 d)(x-7)^3
nirvana33 [79]

Answer:

(x-6)^3

Step-by-step explanation:

f(x)=x-6 \\\\g(x)=x^3 \\\\g(f(x))=(x-6)^3

Hope this helps!

4 0
3 years ago
Kristen goes on a cave tour with her family. They climb down to 8 meters below ground level.
Serjik [45]

Answer:

16 meters

Step-by-step explanation:

Since the question is asking you to find the meters they climbed in all, you can add the absolute values of -8 and +8 to get 16

5 0
4 years ago
Read 2 more answers
You make 35$ from washing cars for 7 hours, how make do you make in 4 hours?
Elodia [21]
20 dollars 
to get that answer you divide 35 and 7 after that you get 5 so you know its 5 dollars per hour so than you times 5 and 4 getting 20 dollars hoped i help
7 0
3 years ago
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