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Viefleur [7K]
2 years ago
11

Find the value of the expression dc + 2h for c = 2, d = 3, and h = 3.

Mathematics
2 answers:
iren2701 [21]2 years ago
7 0

Answer:

12

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

dc + 2h

c = 2

d = 3

h = 3

<u>Step 2: Evaluate</u>

  1. Substitute:                        3(2) + 2(3)
  2. Multiply:                            6 + 6
  3. Add:                                  12
raketka [301]2 years ago
4 0

Answer: 12

Step-by-step explanation: replace d and c for their numbers so it would be 3x2 since the numbers are next to each other you multiply. 3x2=6. do the same with the other side: 2x3=6. 6+6=12.

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Answer -4
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4-8= -4
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The side of a square is 2.5 cm . Find its perimeter and area
nika2105 [10]

Answer:

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Step-by-step explanation:

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A government agency has specialists who analyze the frequencies of letters of the alphabet in an attempt to decipher intercepted
mylen [45]

let n be the number of times letter be found (1800), p be the success rate (0.068), and q be the failure rate (1 - 0.068 = 0.932)  

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4 0
3 years ago
Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 76.676.6
faltersainse [42]

Answer:

Step-by-step explanation:

Researchers measured the data speeds for a particular smartphone carrier at 50 airports.

The highest speed measured was 76.6 Mbps.

n= 50

X[bar]= 17.95

S= 23.39

a. What is the difference between​ the carrier's highest data speed and the mean of all 50 data​ speeds?

If the highest speed is 76.6 and the sample mean is 17.95, the difference is 76.6-17.95= 58.65 Mbps

b. How many standard deviations is that​ [the difference found in part​ (a)]?

To know how many standard deviations is the max value apart from the sample mean, you have to divide the difference between those two values by the standard deviation

Dif/S= 58.65/23.39= 2.507 ≅ 2.51 Standard deviations

c. Convert the​ carrier's highest data speed to a z score.

The value is X= 76.6

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d. If we consider data speeds that convert to z scores between minus−2 and 2 to be neither significantly low nor significantly​ high, is the​ carrier's highest data speed​ significant?

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I hope it helps!

3 0
3 years ago
NEED HELP!! NO Absurd answers!
Orlov [11]

Answer:

Approximately 94% of theaters charge more than $10 to see the movie.

Step-by-step explanation:

Use a calculator with distribution functions such as normalcdf(

Here we have normalcdf(10,1000,11.80, 1.15) = 0.941

Approximately 94% of theaters charge more than $10 to see the movie.  This agrees with the last answer choice.

8 0
2 years ago
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