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NemiM [27]
3 years ago
11

John runs a computer software store. Yesterday he counted 140 people who walked by the store, 63 of whom came into the store. Of

the 63, only 25 bought something in the store.
(a) Estimate the probability that a person who walks by the store will enter the store. (Round your answer to two decimal places.)
(b) Estimate the probability that a person who walks into the store will buy something. (Round your answer to two decimal places.)
(c) Estimate the probability that a person who walks by the store will come in and buy something. (Round your answer to two decimal places.)
(d) Estimate the probability that a person who comes into the store will buy nothing. (Round your answer to two decimal places.)
Mathematics
2 answers:
Grace [21]3 years ago
8 0

Answer:

.................

Step-by-step explanation:

............

Alik [6]3 years ago
6 0
A. 45%
b. 39.68%
c. 17.86%
d. 60.32%

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What is the volume of this cone? Use 3.14 for π and round your answer to the nearest tenth.
photoshop1234 [79]

Answer:

volume = 33.5 in³

Step-by-step explanation:

<u>Formula</u>:

\sf volume \ of \ a \ cone=\dfrac13\pi r^2h

<u>Given</u>:

  • r = 2 in
  • h = 8 in
  • π = 3.14

Substituting the given values into the formula:

\sf \implies volume=\dfrac13 \times 3.14 \times 2^2 \times 8

                  =\dfrac13 \times 3.14 \times 4 \times 8

                  \sf =33.49333333...

                  \sf =33.5 \ in^3 \ (nearest \ tenth)

3 0
2 years ago
-6(w+2)=w-9+3(3w+1)<br>solve for w.​
r-ruslan [8.4K]

Answer:

w = -3/8

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

Equality Properties

Step-by-step explanation:

<u>Step 1: Define Equation</u>

-6(w + 2) = w - 9 + 3(3w + 1)

<u>Step 2: Solve for </u><em><u>w</u></em>

  1. Distribute:                         -6w - 12 = w - 9 + 9w + 3
  2. Combine like terms:         -6w - 12 = 10w - 6
  3. Add 6w to both sides:     -12 = 16w - 6
  4. Isolate <em>w</em> term:                  -6 = 16w
  5. Isolate <em>w</em>:                           -3/8 = w
  6. Rewrite:                             w = -3/8
7 0
3 years ago
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kirza4 [7]

REVISED

Answer:

x = 15.33

Step-by-step explanation:

3y is equal to 2x + 13. The reason why is because they are corresponding angles, (right next to each other). From there, you would have to substitute y into 3y. The equation should look like: 3(23) = 2x + 13. All that is left is to solve for x.

5 0
3 years ago
Solve for x.
Ugo [173]

Area of rectangle = L × B

Where

L is length and B is breadth

A = x × 5

45 = x × 5

x =45 /5

x = 9/1

x = 9 (units)

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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