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Lana71 [14]
2 years ago
7

there are 3 orange fish, 3 red fish, 1 white fish I the fish tank. how many fish are in the fish tank ​

Mathematics
2 answers:
gayaneshka [121]2 years ago
8 0

Answer:

7

Step-by-step explanation:

i read it wrong at first

sergeinik [125]2 years ago
7 0

Answer:

7

Step-by-step explanation:

I went to school once

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Deborah has two paintings in her portfolio and paints three more each week.Kai has twelve paintings in her portfolio and paints
elena-14-01-66 [18.8K]
Well, we can set up these equations like this-
Deborah- 2+3w
Kai- 12+2w
w=number of weeks that pass
Now, we set them equal to each other:
2+3w=12+2w

Solve for w
2-12=2w-3w
-10 = -1w
w = 10
10 weeks. Hope this helped!
4 0
3 years ago
Find the interior angle sum for the following polygon​
wolverine [178]

Answer:

1620°

Step-by-step explanation:

The figure is an 11-sided polygon and is called hendecagon

The interior angle sum:

180( n-2)   n=11

=180(11-2)

=180(9)

=1620°

I hope this help you

5 0
2 years ago
The population of a town can be modeled by the regression equation y=18,000(1.04^x). Which is the best prediction for the popula
ANEK [815]
X= 30
y=18,000(1.04³⁰)=18,000(3.24339751)≈58381

answer: B)58,381
4 0
3 years ago
Read 2 more answers
At which value will the graph of y=tanx have a zero? Please explain the correct answer!
Rina8888 [55]

Answer: None of the above are correct.


Step-by-step explanation:

Given function: y=\tan x

We know that the value of tan x =0 at x=0.

Also, At\ x=\frac{\pi}{3},\ \tan\frac{\pi}{3}=\sqrt{3}

At\ x=\frac{\pi}{2},\ \tan\frac{\pi}{2}=\infty

At\ x=\frac{\pi}{3},\ \tan\frac{\pi}{4}=1

Hence, the only option is correct is "None of the above are correct".

4 0
3 years ago
The circumference of a circle is 314 units. What is the area?
german

Answer:

7850 square units

Step-by-step explanation:

According to the question;

  • Circumference of a circle is 314 units;

We are required to find the area of the circle;

  • First, we need to ask ourselves how we get the perimeter of a circle;

Perimeter of a circle = pi × D or 2 pi r

Therefore;

Rearranging the formula;

D = Perimeter ÷ pi

Taking pi to be 3.14

Then;

Diameter = 314 units ÷ 3.14

              = 100 units

But, radius = Diameter ÷ 2

                  = 100 units ÷ 2

                  = 50 units

We also need to know how we calculate the area of a circle;

Area of a circle = pi×r²

Therefore;

Taking pi as 3.14

Then, Area = 3.14 × 50²

                   = 7850 square units

Thus, the area of the circle is 7850 square units

4 0
3 years ago
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