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ziro4ka [17]
2 years ago
11

Work out and simplify where possible

Mathematics
2 answers:
FromTheMoon [43]2 years ago
6 0

I hope it helps you ❤️❤️❤️

stiks02 [169]2 years ago
6 0

Answer:

a= 13/18 and b=5/16

Step-by-step explanation:

in A, multiply 4/9 by 2, you get 8/18 then add to it 5/18 you get 13/18

in B, multiply 3/8 by 2, you get 6/16 then subtract it by 1/16, you get 5/16

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A soft drink machine outputs a mean of 27 ounces per cup. The machine's output is normally distributed with a standard deviation
postnew [5]

Answer: P(22 ≤ x ≤ 29) = 0.703

Step-by-step explanation:

Since the machine's output is normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = output of the machine in ounces per cup.

µ = mean output

σ = standard deviation

From the information given,

µ = 27

σ = 3

The probability of filling a cup between 22 and 29 ounces is expressed as

P(22 ≤ x ≤ 29)

For x = 22,

z = (22 - 27)/3 = - 1.67

Looking at the normal distribution table, the probability corresponding to the z score is 0.047

For x = 29,

z = (29 - 27)/3 = 0.67

Looking at the normal distribution table, the probability corresponding to the z score is 0.75

Therefore,

P(22 ≤ x ≤ 29) = 0.75 - 0.047 = 0.703

6 0
3 years ago
Fatima deposits $600 in an account that pays 3.65% annual interest compounded daily. Use the fact that there are approximately 3
seropon [69]
A=600⋅(1.0001)^365t
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3 0
3 years ago
1. It takes the Earth 24 h to complete a full rotation. It takes the sun approximately 25 days, 9 h, and 7 min to complete a ful
brilliants [131]

Note that there are 24 hours in 1 day, and 60 minutes in 1 hour

First, multiply 25 with 24

25 x 24 = 600

Next, add 600 with 9 hours

600 + 9 = 690

Note that there are 60 minutes in 1 hour. Divide 7 minutes with 60

7/60 = ~0.12 (rounded)

~690.12 hours is your answer

hope this helps

6 0
3 years ago
Read 2 more answers
B) Find g (-3) for g(x) = 3x + 5
fredd [130]

Step-by-step explanation:

g(x)=3x+5

g(-3)=3(-3)+5

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3 0
3 years ago
Choose the notation below that describes the translation."
Yuliya22 [10]

Answer: (x, y) to (x - 3, y - 4)

Step-by-step explanation: i guessed

6 0
3 years ago
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