need this for homework
1.What happens when fertilizer ends up in waterways?
2. Describe eutrophication.
3. What has happened at the mouth of the Mississippi River?
Answers
Answer:
1.When manure or commercial fertilizers enter surface water, the nutrients they release stimulate microorganism growth. Without sufficient dissolved oxygen in surface water, fish and other aquatic species suffocate. The resulting dead fish and other aquatic species degrade the water quality and cause unpleasant odors.
2.Eutrophication is a significant increase of algae (microscopic organisms similar to plants) due to the greater availability of one or more growth factors necessary for photosynthesis, such as sunlight, carbon dioxide and nutrients (nitrogen and phosphorus)
3. I don't know I am way to tired sorry
Step-by-step explanation:
1. When manure or fertilizers enter water, the nutrients they release stimulate microorganism growth. These microorganisms reduce the dissolved oxygen content of the water body. Without sufficient dissolved oxygen in water, fish and other animals living in water suffocate.
2. Eutrophication is the process by which water bodies are enriched with minerals and nutrients.
Sorry I don't know the answer to question 3
Related Questions
Suppose an exponential function, f(x), models the amount of money in a savings account after x years. What is the most appropriate domain of this function?
A. real numbers
B. rational numbers
C. positive integers
D. positive rational numbers
Answers
Answer:
b
Step-by-step explanation:
7 1/4x + x - 2 11/12x + 1 2/3x=5 3/5
find x
Answers
Because...
You turn all the missed numbers in to improper fractions, then after you add all the ones with x’s after that you should get 7 then divide 7 by 28/5. Which equals 4/5
The value of x in the given expression is 4/5.
What is an expression?An expression is a mathematical statement containing variable, numbers and which are related by at least one mathematical operation.
Given is an expression, [tex]7\frac{1}{4} x+ x+2\frac{11}{12} x + 1\frac{3}{2} x = 5\frac{3}{5}[/tex]
Solving for x, we get,
[tex]7\frac{1}{4} x+ x+2\frac{11}{12} x + 1\frac{3}{2} x = 5\frac{3}{5}\\\\\\\\\frac{29}{4} x+x+ \frac{35}{12} +\frac{5}{3} x = \frac{28}{3} \\\\\\ \frac{87x+12x-35x+20x}{12} = \frac{28}{3} \\\\\\\frac{84}{12} x = \frac{28}{3} \\\\\\\x = \frac{4}{5}[/tex]
Hence, the value of x is 4/5
Learn more about expressions, click;
https://brainly.com/question/14083225
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Put it in the right order and type it down in the correct way
Answers
Answer:
Total fish to Angelfish: 14fish to 4 fish
Catfish to Tiger Barbs: 2/5
Tiger Barbs to total fish: 5 to 14
Angelfish to Goldfish: 4:3
Catfish to tiger barbs =2catfish/5 tiger barbs
Tiger barbs to total fish =5tiger barbs:15 total fish
Angelfish to goldfish =4anglefish/3 goldfish
Choose all of the correct statements.
Answers
Answer:
1. The diameter is 2 times the Lenght of the radius.
2. C = πd
3. π = C/d
4. d = C/π
5. The circumference is 3.14 times the diameter.
Step-by-step explanation:
Diameter (d) of a circle is 2 times the radius (r). Mathematically, it is written as:
d = 2r
From:
d = 2r
Divide both side by 2
r = d/2
The radius is half the diameter.
Circumference (C) of a circle is given by:
C = 2πr
C = π2r
Recall:
d = 2r
C = πd
C = πd
Divide both side by d
π = C/d
C = πd
Divide both side by π
d = C/π
C = πd
π = 3.14
C = 3.14 × d
Thus, the circumference is 3.14 times the diameter.
SUMMARY:
The correct statement from the above illustration is given below:
1. The diameter is 2 times the Lenght of the radius.
2. C = πd
3. π = C/d
4. d = C/π
5. The circumference is 3.14 times the diameter.
please answer right ill give brainliest to the right answerrrrrrr
Answers
1. 42+14x
2. 3(2x + 9)
Answers
Answer:
1. 56x 35x
what you had to do was add 42 plus 14x which gives you 56x. then for number two you had to multiply the numbers inside of the parenthesis by the number outside of the parenthesis which will give you 35x.
Which sequence is represented by = 10 − 29 where x represents the term number and y represents the term?
1, -28, -57, -86, …
-29, -19, -9, 1, …
-19, -9, 1, 11, …
10, -19, -48, -77, …
Answers
Is "the" pronounced "dee" or "duh" or can you do both?
Answers
Please help me with my math
Answers
Answer: The probability of choosing a green marble is [tex]\frac{1}{3}[/tex].
Step-by-step explanation:
4 + 5 + 3 = 12 marbles total.Since there are 4 green marbles, the probability of choosing one is [tex]\frac{4}{12}[/tex].[tex]\frac{4}{12}[/tex] simplified is [tex]\frac{1}{3}[/tex].Answer:
The probability of choosing a green marble is 1/3
Step-by-step explanation:
please i need help thank you
Answers
Use the Distributive Property to expand the expression:
(2x + 12y) - (11z + 33)
Answers
= (2x + 12y) -1(11z+33)
= 2x + 12y - 11z - 33
So, this was the answer. I just want to say happy new year to you and also, have a great and fantastic rest of your day!
Also, can you please mark my answer as the brainliest answer?
Thank you so much!
The spinner is spun 240 times. What is a reasonable prediction
of it landing on a number less than 3?
Answers
Answer:
60 times
Step-by-step explanation:
2/8 pieces of the circle are less than three
2/8 = 25% chance of landing less than 3
240 * 25% = 60
Help me please! give explanation if possible so I can understand Tysm!
Answers
Help Please (I needed 20 characters)
Answers
NEED ANSWERS ASAP 10 QUESTIONS IF RIGHT WILL GIVE BRAINLIEST
Answers
Which expression is equivalent to 6w + 5 - 3w + 7
A. 9w + 2
B. 3w + 12
C. 11w - 4
D. 11w + 4
Hint: It's not A, or B
Answers
Answer:
the answer is B
Step-by-step explanation:
6w + 5 - 3w + 7
i) collect like terms= 6w - 3w + 5 + 7
= 3w + 5 + 7
ii) add the numbers= 3 w + 5 + 7
= 3w + 12
6w+5-3w+7
6w - 3w = 3w
5 +7=12
this means 3w+12
You spin the spinner once. Find the theoretical probability of the event. *show your work*
Answers
Answer:
red = 3/6 spaces = 1/2 chance of landing on red
blue has 1/6 spaces so the chance of landing on blue is 1/6
the probability of landing on green is equal to purple because they both have only one space out of six spaces
whaddup killua
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
What type of triangle is this triangle?
acute scalene
obtuse isosceles
obtuse scalene
acute isosceles
Answers
Answer:
Obtuse scalene
Step-by-step explanation:
Answer:
obtuse scalene
Step-by-step explanation:
Scalene means that none of the sides are equal.
Isosceles means that two of the sides are equal.
Obtuse means an angle in the triangle is larger than 90 degrees.
Acute means all angles in the triangle are smaller than 90 degrees.
None of the sides are equal so this triangle has to be scalene and the angle in the bottom right is larger than 90 degrees so this triangle is obtuse.
Hope this helps! :)
Which ordered pair is not a point on the graph of y = 1/2 x - 7?
A. (1, -6 1/2) B. (-2, -8) C. (0, -7) D. (2, 8)
Answers
An airplane 30,000 feet above the ground begins descending at a rate of 2,000 feet per minute. Write an equation to model the situation.
What are the slope and Y-intercept?
Answers
Answer:
7
Step-by-step explanation:
Answer:
Slope: -2000
Y-intercept: 30000
Equation: Y=-2,000x+30,000
Step-by-step explanation:
The pane starts at 30,000 feet, giving up an y intercept or a starting point. Since the plan is descending, you know the slop will be negative.
Help me solve this And I will mark brainliest!
Answers
Answer:
I think its 4/9 I couldn't really see
Find the sales tax.
Please also show your work so I can understand it :)
Answers
Explanation: First, you want to do 70(1.05) and get 73.5. The way you get 1.05 is by adding 0.05 (5%) to 1 and get 1.05. Next, you want to do 73.5-70. The reason you should do this is because the number 73.5 is including both the selling price and the sales tax, and the question is asking for just the sales tax. Finally, 73.5-70 is 3.5, AKA your final answer, $3.50. I hope this helped!
Answer:
Sales tax: 3.5$
Total Price: 73.5$
Step-by-step explanation:
the percentage of tax is that much of the total price. if there is 50% sales tax (unrealistic) and the item costs 100 dollars without any tax, then the tax would be 50 dollars. To find this, turn the percent into a decimal (move the decimal place to the left twice) and multiply that by the price. To do this with this problem, use this strategy. 70 times .05= 3.5. Therefore the tax is 3.5$. hope this helps!!
need help, please
asap
Answers
Answer:
I'm pretty sure it's C
Step-by-step explanation:
(x,y) goes into {3x_4, to get 3y_2
plz help me out a bit :(
which one do you think it is?
Answers
when dividing with exponents, i usually just look at the exponents and subract them so i did 12-8 for this problem
Which of the following is not a rate? pls help bruuh
i dont pay attention in these classes
Answers
Answer:
B , 16oz/1lb
Step-by-step explanation:
Those are for weighing measurements. They don't show time or the rate.
Hope this helps.
please help im timed
Which expressions are equivalent to 7(-3/4x-3)? Select two options.
-5 1/4x-21
-7 3/4x7(3)
6 1/4x-21
6 1/4x-4
7(-3/4x)-7(3)
Answers
7(-3-4x)-7(3)
Answer:
-7 3/4x7(3) and 6 1/4x-4
Step-by-step explanation:
solve the equation -5y + 4 = -11
Answers
Answer:
y=3
Step-by-step explanation:
Answer: y=3
Step-by-step explanation:
-5y+4-4=-11-4
-5y=-15
y=3
Select all that apply.
Green pencils are priced at $1.28 for 4. Blue pencils are priced at $5.52 for 24. Which of the following statements are true?
The unit rate for green pencils is $0.32
The unit rate for blue pencils is $0.28
The green pencils are priced less per pencil
The blue pencils are priced less per pencil.
need an expert verified answer
Answers
Answer:
The first and third is correct.
Step-by-step explanation:
I'm not a expert but I know its right.
rewrite [tex]-2x+3y=-15[/tex] in slope-intercept form
Answers
Answer: [tex]Y = \frac{2}{3} x - 5[/tex]
Step-by-step explanation:
Answer: y=7.5+-5
Step-by-step explanation:
Divide 3y from itself and -15 to cancel out the Y variable. So Y is equal to -5. Then you would be left with -2x=-15. So then you would have to divide -2x from itself and -15, which would give you 7.5, and that is your x variable.
xxx yyy
5.85.85, point, 8 5.85.85, point, 8
7.57.57, point, 5 7.57.57, point, 5
11.211.211, point, 2 11.211.211, point, 2
Find the constant of proportionality (r)(r)left parenthesis, r, right parenthesis in the equation y=rxy=rxy, equals, r, x.
r =r=r, equals
Answers
Answer:
What kind of math question is this? plus I don't evn know th answers to all that. (Confused look on the face)
