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2 years ago

Help will give brainlist if right!!!!

Mathematics

1 answer:

sergey [27]2 years ago

3 0

Are you taking the state test-

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A minute hand on a clock made a 1/4 turn how many degrees did the minute hand turn

il63 [147K]

So a going a whole circle around is 180 so if it goes 1/4 of it, it will be 720

6 0

2 years ago

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A worker is exposed to 98 dB for five hours and 82 dB for three hours, giving an eight-hour working day. On average, what noise

julia-pushkina [17]

Answer:

92 dB

Step-by-step explanation:

Use the mean formula, mean = sum of elements / number of elements.

Since it is a 8 hour work day, there are 8 elements.

mean = sum of elements / number of elements

mean = (98 + 98 + 98 + 98 + 98 + 82 + 82 + 82) / 8

mean = 736 / 8

mean = 92

So, the average noise level is 92 dB

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2 years ago

Simplify this expression. (100 + 4z)20

Serga [27]

The answer is 2000+80z

7 0

2 years ago

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A number sentence is shown below:

d1i1m1o1n [39]

Number sentence is simply a sentence, that uses numbers and arithmetic signs.

The context that can be created from the sentence is: How many bits are there, in $32\frac 14$ bytes
The verbal meaning of $32\frac 14 \div \frac 18 = 258$ is: When $32\frac 14$ is divided by $\frac 18$ , the result is $258$

Given

$32\frac 14 \div \frac 18 = 258$

(a) Context or story

A context is as follows:

There are 8 bits in a byte; How many bits are there, in $32\frac 14$ bytes

(b) As a multiplication

$32\frac 14 \div \frac 18 = 258$

Change the division to multiplication as follows:

$32\frac 14 \times \frac 81 = 258$

(c) Verbal explanation how the numbers are related

When $32\frac 14$ is divided by $\frac 18$ , the result is $258$