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MakcuM [25]
3 years ago
13

What is the value of the expression 3 6 - (- 11.5)? 4

Mathematics
1 answer:
Digiron [165]3 years ago
8 0

Answer: 31 hope this helped

Step-by-step explanation: I'm assuming your problem looks like this: 4+5*6-3 =? To solve this problem you need to use the order of operations. PEMDAS which stands for Parentheses, exponents, multiply and divide, and lastly add and subtract. You must multiply and divide before you add and subtract so you must do 5*6 first. You now get 4+30-3. Now all you have left is addition and subtraction so you now just go from right to left and do one at a time. So 4+30 = 34 , 34-3=31. Therefore your answer should be 31. Hope that helped!

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Find the 20th term of the following sequence.
Arlecino [84]
-6, -4, -2, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32
Answer: 32
5 0
3 years ago
the surface areas of two cubes have a ratio of 49 to 81. What is the ratio of the edge lengths of two cubes?
exis [7]
I have no idea literally the only thing I know is pre k answers I literally have an F in math
3 0
3 years ago
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A repairman estimated the cost of replacing a part in Mrs. James’ computer would be at most $225. The estimate included $35 for
MA_775_DIABLO [31]

Answer:

The maximum number of hours the repairman estimated for the job is 5.

Step-by-step explanation:

It's simple. First, all you have to do is start with the budget he gave you and subtract the fixed price.

225 - 35 - 40 = 150

Then, use the money you have left over (150) and divide by how much he pays per hour which equals 5.

150/30 = 5

Hope this helps! If you have any additional questions please don't hesitate to ask me or your teacher to be sure you master the subject. Stay safe and please mark brainliest!  :)

4 0
3 years ago
The fifth highest mountain is Makalu, its height, rounded to the nearest hundred, is. 27,800 feet. What is the highest that this
erik [133]
We know that

<span> the highest that this mountain can be is 27849 feet

because this number (27849 feet) rounded </span>to the nearest hundred is 27800 feet, however if the number were 27850 the number rounded to the nearest hundred would be 27900

hence

the answer is
27849 feet
4 0
4 years ago
One hose can fill and goldfish pond in 28 minutes, and two hoses came for the same pond in 20 minutes. Find how long it takes a
3241004551 [841]

Answer:

Correct answer:  t₂ = 70 minutes

Step-by-step explanation:

Given:

t₁ = 28 minutes  and t₁₂ = 20 minutes, t₂ = ?

The necessary equation for this situation is:

1/t₁ + 1/t₂ = 1/t₁₂  => 1/28 + 1/t₂ = 1/20 => (28 + t₂)/ 28 t₂ = 1/20 =>

28 t₂ = (28 + t₂) · 20 = 20 t₂ + 560 => 28 t₂ - 20 t₂ = 560 =>

8 t₂ = 560 => t₂ = 560/8 = 70 minutes

t₂ = 70 minutes

God is with you!!!

4 0
3 years ago
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