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2 years ago

PLEASE HELP RIGHT AWAY WILL MARK BRAINLIEST!

Mathematics

2 answers:

likoan [24]2 years ago

7 0

Answer:

20/48 ≈ 42%

Step-by-step explanation:

Total number of tiles = 48

Beige tiles = Total number of tiles - yellow - blue - green - red

= 48 - 8 - 6 - 9 - 5

= 20

$\sf Probability\:of\:an\:event\:occurring = \dfrac{Number\:of\:ways\:it\:can\:occur}{Total\:number\:of\:possible\:outcomes}$

$\implies \textsf{P(coin landing on beige tile)}=\sf\dfrac{20}{48} \approx42\%$

Blababa [14]2 years ago

3 0

Answer:

20/48 = 42%

Step-by-step explanation:

Number of beige tiles

48 - 8 - 6 - 9 - 5
40 - 6 - 9 - 5
34 - 9 - 5
25 - 5
20 beige tiles

Probability (Beige)

No. of beige tiles / Total no. of tiles
20/48 = 42%

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Simplify, if x = 2 and y = -1: 3(y + 2)^2 + 3x

svet-max [94.6K]

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

3(y + 2)² + 3x

x = 2

y = -1

Step 2: Evaluate

Substitute: 3(-1 + 2)² + 3(2)
Add: 3(1)² + 3(2)
Exponents: 3(1) + 3(2)
Multiply: 3 + 6
Add: 9

5 0

3 years ago

The value of Adam's model railway is $550.

garik1379 [7]

Answer:(c)

Step-by-step explanation:

Given

The initial value of Adam's model is $A_o=\$550$

the value increases exponentially with the rate of $r\%$

Time period $t=5\ years$

Final amount $A=\$736$

Exponential growth is given by

$\Rightarrow A=A_o(1+r)^t$

Putting values

$\Rightarrow 736=550(1+r)^5\\\\\Rightarrow (1+r)^5=1.338$

$\Rightarrow 1+r=1.05999\\\Rightarrow r=0.05999\ or\ 5.99\%\approx 6\%$

Option (c) is correct

6 0

2 years ago

1st question: Reuben received 80 dollars. Write a signed number to represent this change.

lesya692 [45]

Answer:

1) +80

2) -1520

Step-by-step explanation:

Positive Signed numbers are used in real world situations to indicate the increase. Examples include; increase in weight, deposit of money into an account, increase in income, profit, height above sea level, etc. They are all represented by positive signed numbers.

Whereas, negative signed numbers show decrease. Examples include; loss of weight, withdrawal of money from an account, loans, liabilities, losses, temperature below zero degrees, height below sea level.

1) We are told that Reuben received 80 dollars. Thus, it means he received an increase in the amount of money he already had. Thus, the signed number will be +80.

2) We are told that A car corporation produced 1520 fewer cars this month than last.

Thus, the signed number will be negative since there is a decrease in number of cars.

Thus, signed number = -1520

7 0

2 years ago

A = a+b+c / 3

IgorLugansk [536]

The equation given in the question is

A = a+b+c / 3
3A = a + b + c
3A - a - c = b

From the above deduction, it can be easily concluded that the correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your desired help.

3 0

3 years ago

3. Last year, the numbers of calculators produced per day at a certain factory were normally distributed with a mean of 560 calc

Mademuasel [1]

Answer:

3. Last year, the numbers of calculators produced per day at a certain factory were normally distributed with a mean of 560 calculators and a standard deviation of 12 calculators.(C)

Step-by-step explanation:

please click the heart and rate excellent and brainleist to ❤☺️☻♨️☻☺️❤

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3 years ago