3 years ago

This is correct right?↓

Mathematics

1 answer:

Doss [256]3 years ago

7 0

Answer:

udud8ducififidid

dudcucucuc

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A submarine dives 320 feet below the water's surface. Over the next six

sergeinik [125]

Answer:

Explanation:

Since it rises at a rate of 40 feet per minute, just multiply 40 times 6 to get 240. Then subtract 320 minus 240 to get 80

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3 years ago

You need a 75 % alcohol solution. On hand, you have a 260 mL of a 30% alcohol mixture. You also have 95 % alcohol mixture . How

user100 [1]

$30 \: percent \: alcohol \: in \: 260 \: ml \\ alcohol = 0.3 \times 26 0= 78 \: ml$

$c( \gamma ) = \frac{78 + 0.95\gamma }{260 + \gamma } \times 100$

$c( \gamma ) = 75$

$\frac{78 + 0.95\gamma }{260 + \gamma } = 0.75$

$78 + 0.95\gamma = 0.75 \gamma + 195 \\ 0.2 \gamma = 117 \\ \gamma = 585$

$we \: need \: 585 \: ml \: of \: 95% \: alcohol$

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2 years ago

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What is actively one pls pls pls i beg you

OLga [1]

Answer:

1. 9 to the power of 7

2. 7 to the power of 8

3. 10 to the power of 8.

4. 3 to the power of 9.

5. 2 to the power of 12.

Step-by-step explanation:

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3 years ago

A manager records the repair cost for 4 randomly selected TVs. A sample mean of $88.46 and standard deviation of $17.20 are subs

timurjin [86]

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Step-by-step explanation:

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3 years ago

What is the average<br> number of 4th graders per<br> class from the table above?

melisa1 [442]

Answer:

Step-by-step explanation:

You need to find the average number of students

Add up all the students

27+31+28+33+26

145

Divide by the number of classes

145/5

The average is 29

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3 years ago

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