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pogonyaev
2 years ago
9

What is the unknown number for t

Mathematics
1 answer:
soldi70 [24.7K]2 years ago
3 0
This could be wrong but the answer should be 4
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A certain forest covers an area of 4300 km2 . suppose that each year this area decreases by 3.25% . what will the area be after
Gemiola [76]
A =P(1-3.25%)⁸

A= 3,301.23 km²
7 0
2 years ago
EXTRA POINTS! volume of spheres.
BartSMP [9]

Answer:

V≈33.51

although I don't have an explanation, sorry, if you look up "how to find the volume of a sphere" on google, it will give you the answer

3 0
3 years ago
Which of the equations should anthony pick ?
Komok [63]

Answer:

the third answer

Step-by-step explanation:

hope it helps

7 0
2 years ago
Read 2 more answers
Homework due at 12:00<br> I Need Help
Leya [2.2K]

Answer:

<em>k = - 7.5 </em>

Step-by-step explanation:

Slope "m" of a line through points

( x_{1} , y_{1} )

( x_{2} , y_{2} )

is m = \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

Slopes of perpendicular lines are opposite reciprocal: m_{1} m_{2} = - 1

~~~~~~~~~~~~~~~

The slope of a line through points (0, 7) and (2, 10)

m_{1} = \frac{10-7}{2-0} = \frac{3}{2}

Slope of perpendicular line through points (3, 5) and (k, 12) is m_{2} = -\frac{2}{3}

or m_{2} = \frac{12-5}{k-3}

\frac{7}{k-3} = -\frac{2}{3}

2(k - 3) = - 21

k - 3 = - 10.5

<em>k = - 7.5</em>

6 0
2 years ago
At wet pets, a starter tree aquarium kit cost $15 plus $.60 per fish. At grips and frills, the same kit is $13 plus $.80 per fis
Katena32 [7]

Answer:

The answer to your question is below

Step-by-step explanation:

Write an equation for the cost of fish at each fish store.

a) Wet pets

We must consider the initial price and the cost of each fish.

total cost = C

kit cost = $15

cost of each fish = $0.60                      

cost of one fish = f

                                C =  15 + 0.60f

Example, if the number of fish is 4, then the total cost will be

                                 C = 15 + 0.60(4)

                                 C = 15 + 2.4

                                 C = $ 17.4                      

b) Grips and Frills

total cost = C

kit cost = $13

cost per fish = $0.80

cost of one fish = f

Equation

                              C = 13 + 0.8f        

5 0
3 years ago
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