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julsineya [31]
2 years ago
7

PLEASE HELP! I WILL MARK THE BRAINLIEST!

Mathematics
1 answer:
Anarel [89]2 years ago
7 0

Answer:

2x+3y=-6

Step-by-step explanation:

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Which number is the largest explain how you know 58,700 or 5.87×10^5​
Aleonysh [2.5K]

Answer:

5.87×10^{5}

Step-by-step explanation:

5.87×10^{5} is 587,000 written in scientific notation.

587,000 > 58,700

5 0
3 years ago
Suppose that 6 people sitting in a enclosed room are each generating about 400 BTUs of body heat per hour. If the room is 20 ft
Crazy boy [7]

Answer:  B) 4 BTUs/ft^3

Step-by-step:

For a cuboid of length L, width W and height H, the volume is:

V = L*W*H

In this case, we have:

L = 20ft

W = 15ft

H = 10ft

Then the volume of the room is:

V = 20ft*15ft*10ft = 3000 ft^3

Now we have 6 people, and each generate 400 BTUs per hour.

Then in total, they generate:

6*400 BTUs per hour

2400 BTUs per hour.

Now we want to find the BTUs per ft^3 produced in 5 hours.

Then if they generate 2400 BTUs per hour, in 5 hours they generate a total of:

5*2400 BTUs = 12000 BTUs

Now we take the quotient between the total BTUs and the volume of the room:

Q = (12000 BTUs)/(3000 ft^3) = 4 BTUs/ft^3

The correct option is B.

8 0
2 years ago
X) = 5x^3 -2x and g(x) =3x^3. Find f(x) + g(x) & state the domain!
expeople1 [14]
To add two functions, combine like terms. (5+3x^(3)) = 8x^3-2x. The domain is all real numbers. There is no bound on how small or large the numbers can be for cubed functions.
3 0
3 years ago
PLEASE HURRY!!!!!!<br> 10 points !!!!!!!!!!! What is the value of x??
horsena [70]

Answer:

x = 98°

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

x is an exterior angle and 53° and 45° are the opposite interior angles, hence

x = 53° + 45° = 98°

3 0
3 years ago
Which equation is rewritten in vertex form?
Zinaida [17]
(x + 3)^2 + (x + 4)^2 
= x^2 + 6x + 9 + x^2 + 8x + 16
= 2x^2 + 14x + 25
= 2(x^2 + 7x) + 25
= 2[(x + 7/2)^2  - 49/4] + 25
= 2(x + 7/2)^2 - 98/4 + 25
= 2(x + 7/2)^2 + 1/2


Its B

7 0
2 years ago
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