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mrs_skeptik [129]
3 years ago
11

Which equation should be used to solve 81 + × =108

Mathematics
2 answers:
blondinia [14]3 years ago
7 0

Answer:

27

Step-by-step explanation

you should use addition it would equal 108 because 81+27=108. Hope that helped :D

Airida [17]3 years ago
3 0
Subtract 81 then divide by that answer.
81+x=108
-81 -81
—————
X=27

The answer’s 27
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arlik [135]
Aliana will use 3.75 inches to make her necklace
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3 years ago
How to master Euclidean geometry​
Roman55 [17]

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3 0
2 years ago
The amount of time it takes Ariana to do a math problem is continuous and uniformly distributed between 38 seconds and 79 second
solniwko [45]

Answer:

29.27% probability that it takes Ariana between 58 and 70 seconds to do a math problem

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X between c and d, d being greater than c, is given by the following formula:

P(c \leq X \leq d) = \frac{d-c}{b-a}

Uniformly distributed between 38 seconds and 79 seconds.

This means that a = 38, b = 79

What is the probability that it takes Ariana between 58 and 70 seconds to do a math problem

c = 58, d = 70

P(58 \leq X \leq 70) = \frac{70 - 58}{79 - 38} = 0.2927

29.27% probability that it takes Ariana between 58 and 70 seconds to do a math problem

4 0
3 years ago
What is value of x? Please help! Will reward
Andre45 [30]
X = 50
.................
8 0
3 years ago
At the movie theatre, child admission is $6.30 and adult admission is $9.60 . On saturday, twice as many adult tickets as child
joja [24]

Let's assume

number of child tickets sold on saturday is x

number of adult tickets sold on saturday is y

On saturday, twice as many adult tickets as child tickets were sold

so, we get

y=2x

child admission is $6.30 and adult admission is $9.60

a total sales of $535.50

we get

6.30x+9.60y=535.50

now, we can plug y=2x

6.30x+9.60*2x=535.50

now, we can solve for x

25.5x=535.5

x=21

now, we can find y

y=2*21

y=42

so,

number of child tickets sold on saturday is 21

number of adult tickets sold on saturday is 42.........Answer


4 0
3 years ago
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