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Aleonysh [2.5K]
3 years ago
13

The altitude of a plane is 1,600 ft. What must be the altitude of a submarine so that the sum of their altitudes is 0?

Mathematics
2 answers:
RSB [31]3 years ago
7 0
You must mean the depth of the submarine.

to make  sum = zero the depth of the sub must be -1600 ft..
Vlada [557]3 years ago
5 0

1600 - 1600 = 0

 so the sub needs to be -1600 feet

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4 0
3 years ago
Read 2 more answers
Express 194720 in standard form correct to 3 significant figures<br>​
ELEN [110]

Answer:

1.95 x 10^5

Step-by-step explanation:

First look at the 4th digit in the number 194720 as the the question said to round to 3 significant figures. If the 4th digit is more than 5, then add 1 to the third digit which results in 195000. Now the question also said to express in standard form. Look for the first non-digit number in 195000. After 1 put a decimal point and remove all the zeros after the point which results in 1.95. Now count how many digits you moved to the left which comes as 5. Write the answer as 1.95 x 10^5.

Hope you can understand this!!

3 0
2 years ago
Give work for equations following:<br><br> -x+2y&lt;-4<br> 2x+3y&gt;6<br><br> thanks sooooo much!!!!
Schach [20]

Answer: See below

Step-by-step explanation:

A) -x+2y < -4

-x+2y-2y < -4-2y

-x < -4-2y

Multiply both sides by -1 and reverse the inequality:

\left(-x\right)\left(-1\right) > -4\left(-1\right)-2y\left(-1\right)

x > 4+2y

B) 2x+3y > 6

2x+3y-3y > 6-3y

2x > 6-3y

\frac{2x}{2} > \frac{6}{2}-\frac{3y}{2}

x > \frac{6-3y}{2}\\x > 3-\frac{3y}{2}

3 0
2 years ago
A large cheese pizza costs $7.50. Diego has $40 to spend on pizzas. How many large cheese pizzas can he afford? Explain or show
ololo11 [35]

Answer:

5 pizzas

Step-by-step explanation:

He will have $2.50 left over after he buys the 5 pizzas. Hope this helps! Brainliest is appriciated.

3 0
3 years ago
HELP HELP HELP I WILL GIVE BRAINLIEST <br> NO B.S. ANSWERS PLEASE
Whitepunk [10]
I believe it’s x=2.5 or x=2 1/2 or x=5/2
They are all the same answers in different forms . Hope it’s right
8 0
3 years ago
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