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ElenaW [278]
3 years ago
9

a navy submarine descended from sea leval at a rate of 7 feet per second. write the descent rate and the sub's elevation after 1

0 minitutes
Mathematics
1 answer:
valina [46]3 years ago
4 0
The descent rate is 7 feet/second. the subs elevation would be 7 x 10(60) which is 7x 600the sub's elevation would therefore be 4,200 feet below sea level
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Find the following sum of the following expressions: 3x+5 and -4x-10
NeTakaya

Answer:

x + 5

Step-by-step explanation:

3x + 5 -4x - 10

Combine like terms.

-x -5

Divide by -1

x + 5

I hope that this helps! :)

6 0
3 years ago
A company is testing and comparing two candle designs. The box plots show the number of hours that each candle design lasts befo
Natalija [7]
Since these are box plots, they're based on a lot of data, and we cannot say for certain whether something will be true, but it can give us a good idea. So this means that options A & B are out, since they say 'will always', but we can never say for sure with box plots.

The boxes of the box plot represent basically the average of the data. The beginning of the box is the first quartile, the end of the box is the third quartile, and the line in the middle is the median, which is the middle of the data. Since the box in the box plot of Design A is greater than the box in the box plot of Design B, we can say it's likely that candle Design A will last longer than candle Design B, or option C.
3 0
3 years ago
The ratio of the length to the width of a rectangle is 3:2. What is the width of the rectangle if the lengteh is 24?
frozen [14]
The answer will be B. Hope it help!
6 0
3 years ago
Factorize:<br>3a^2 + 10a + 3​
sergey [27]

Answer: (3a + 1) (a + 3)

Step-by-step explanation:

<u>Concept:</u>

Here, we need to know the idea of factorization.

It is like "splitting" an expression into a multiplication of simpler expressions. Factoring is also the opposite of Expanding.

<u>Solve:</u>

Given = 3a² + 10a + 3

<em>STEP ONE: separate 3a² into two terms</em>

3a

a

<em>STEP TWO: separate 3 into two terms</em>

3

1

<em>STEP THREE: match the four terms in ways that when doing cross-multiplication, the result will give us 10a.</em>

3a     1

a       3

When cross multiply, 3a × 3 + 1 × a = 10a

<em>STEP FOUR: combine the expression horizontally to get the final factorized expression.</em>

3a  ⇒   1

a   ⇒    3

(3a + 1) (a + 3)

Hope this helps!! :)

Please let me know if you have any questions

7 0
3 years ago
WHAT WOULD THIS BEEE
Neporo4naja [7]
No, the angles are roughly 34, 44, and 102
5 0
2 years ago
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