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zmey [24]
3 years ago
11

How the heck do you do this?!

Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
7 0
Use PEMDAS to figure out the order of operations:

Parentheses
Exponents
Multiplication/Division
Addition/Subtraction

Solve (-4 + -6) first, as this is in parentheses:

-4 + -6 = -10

10 - 5.3 * -10

Solve 5.3 * -10 next, as this is multiplication:

5.3 * -10 = -53

10 - -53

Now we can solve the equation:

10 - -53 = 63

The answer is 63.
Cerrena [4.2K]3 years ago
5 0
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

Parentheses is 1st

-4 + -6 = -10

Then is multiplication. 

-10 × 5.3 = -53

At last, subtract

10 - (-53) is the same as: 10 + 53

10 + 53 = 63

Your answer is 63

Hope this helps :)
.

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The sets F and H are given below.
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Answer:

  F ∪ H = {c, d, e, f, g, h}

  F ∩ H = { }

Step-by-step explanation:

The union is the list of elements that are in either of the two sets.

  F ∪ H = {c, d, e, f, g, h}

The intersection is the list of only those elements that appear in both sets. (There are none.)

  F ∩ H = { } . . . . the empty set

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How do you use an exponent to represent a number such as 16
Colt1911 [192]
You can do 4 to the second power and 4×4 equals 16
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Suppose you buy a phone for $200 and its value depreciates linearly. If the phone is worth $115 after four years, then what is t
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Answer:

$72.5

Step-by-step explanation:

  • Initial value = $200
  • Depreciated value after 4 years = $115

<u>Since depreciation rate is linear, then:</u>

  • 200 - 4x = 115
  • 4x = 200 - 115
  • 4x = 85
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<u>Value after 6 years:</u>

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Which formula represents this sequence
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Step-by-step explanation:

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Read 2 more answers
A bag initially contains red marbles and blue marbles only, with more blue than red. Red marbles are added to the bag until only
STALIN [3.7K]

(C) \frac{1}{3} fraction of the marbles now in the bag is blue.

<h3>What is a fraction?</h3>
  • A fraction is a portion of a whole or, more broadly, any number of equal parts.
  • In everyday English, a fraction represents the number of pieces of a specific size, such as one-half, eight-fifths, or three-quarters.
  • A common, vulgar, or simple fraction that consists of a numerator above a line and a non-zero denominator below that line.
  • Numerators and denominators are also employed in uncommon fractions such as compound fractions, complex fractions, and mixed numerals.

To find what fraction of the marbles now in the bag is blue:

  • Important information is that immediately before the last step blue marbles formed \frac{1}{5} from the marble in the bag.
  • That means that there were x blue and 4x other marbles, for some x.
  • When we double the number of blue marbles, there will be 2x blue and 4x other marbles.
  • Hence, blue marbles now form \frac{1}{3} all marbles in the bag.

Therefore, (C) \frac{1}{3} fraction of the marbles now in the bag is blue.

Know more about fractions here:

brainly.com/question/17220365

SPJ4

Complete question:

A bag initially contains red marbles and blue marbles only, with more blue than red. Red marbles are added to the bag until only 1 / 3 of the marbles in the bag are blue. Then yellow marbles are added to the bag until only 1 / 5 of the marbles in the bag are blue. Finally, the number of blue marbles in the bag is doubled. What fraction of the marbles now in the bag are blue?

(A) 1/5

(B) 1/4

(C) 1/3

(D) 2/5

(E) 1/2

7 0
2 years ago
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