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Dominik [7]
4 years ago
8

How do you simplify the expression 7 - 2(2 + 5) -8?

Mathematics
2 answers:
Gala2k [10]4 years ago
8 0
7-2(2+5)-8
7-2(7)-8
5(7)-8
When there is a bracket it means, you are supposed to multiply the number in front of it with the number in the bracket. So....
5 x 7 -8= 35-8
            = 27

Thus the answer is 27
krek1111 [17]4 years ago
7 0
7 - 2 (7) -8
7 - 14 - 8
7-14= -7
-7 - 8 = - 15
May have messed this one up
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What are two consecutive numbers whose cube differs by 271
valentina_108 [34]

Answer:

Two consecutive numbers cubes differ by 271. Let the two consecutive numbers be x and x + 1. The difference of the two consecutive numbers is 271. ( x + 1 ) ^3 - x ^3 = 271. 1 + 3 x ^ 2 + 3 x - 271 = 0.

Step-by-step explanation:

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3 years ago
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cupoosta [38]

Answer:

3/5 or 0.6

Step-by-step explanation:

Here, given the value of tan theta , we want to find the value of sine theta

Mathematically;

tan theta = 0pposite/adjacent

Sine theta = opposite/hypotenuse

Firstly we need the length of the hypotenuse

This can be obtained using the Pythagoras’ theorem which states that the square of the hypotenuse equals sum of the squares of the two other sides.

Let’s call the hypotenuse h

h^2 = 3^2 + 4^2

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h = √(25)

h = 5

Now from the tan theta, we know that the opposite is 3

Thus, the value of the sine theta = 3/5 or simply 0.6

5 0
4 years ago
Jennifer, Luis, Robert, Anna, and Tonya are figuring out how to split the check for lunch.
kramer

8 + 15 = 23

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Hope this helped!!

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3 years ago
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Will award brainiest to whoever answers and helps, I really need this ;;
Naddik [55]

Multiply the probability by the cost of the accident:


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Now add the overhead cost:

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The closest answer to this is number D.

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3 years ago
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