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Kitty [74]
3 years ago
5

. A carbon filter is used by a scientist to filter out small particles of soil and rocks

Mathematics
1 answer:
charle [14.2K]3 years ago
7 0

Answer:

C- The size of the initial water sample, in gallons.

Step-by-step explanation:

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How do you do 43.552 divided by 39.4?
alexira [117]
43.552 ÷ 39.4 = 1.105380711

I don't know if you have to do any roundings for your problem, though.
8 0
4 years ago
Romell receives five points for each correct answer on a
krek1111 [17]

Answer:

5x - 2y = 30

x + y = 35

Step-by-step explanation:

Number of correct answers = x

Number of incorrect answers = y

Points won per correct answer = 5

Points lost per incorrect answer = 2

If Reggie received 30 points :

Required equation :

(points won per correct answer * number of correct answers) + (points lost per incorrect answer * number of incorrect answers)

5x + (-2y) = 30

5x - 2y = 30

Equation showing that Reggie answer all 35 questions :

Number of correct answers + number of incorrect answers = 35

x + y = 35

4 0
3 years ago
A point on the ground is 50 feet from my house. The angle of elevation to the top of the house is 48∘. Find the height of the ho
Mumz [18]

Answer:

55.5 feet

Step-by-step explanation:

the scenario is attached in the form of a picture

We have to find h.

We will use the trigonometric ratio of tan to find the height of the house.

tan\ 48 = \frac{h}{50}\\ 1.1106*50=h\\55.53=h

Hence the height of the house is 55.53 feet

Rounding off to nearest 10th

height = 55.5 feet ..

3 0
4 years ago
Giovanni went to Los Angeles,California for the summer to visit his cousins.He used a map of bus routes to get from the airport
zepelin [54]
You must convert 56 to cm comment on that answer and will help from there
5 0
3 years ago
Factor completely.<br><br> x2+7x−18<br><br><br><br> Please Help
nikdorinn [45]

Answer:

(x+9)(x-2)

Step-by-step explanation:

There has to be two numbers that add to be 7 and multiply to be -18.

So 9 and -2

Hope this helps

Brainliest would be appreciated

6 0
3 years ago
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