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nadya68 [22]
2 years ago
10

Whats the answer to 3+9(4x+8)30x20

Mathematics
2 answers:
Alik [6]2 years ago
6 0

Answer: 3+36x+480= 483+36

Step-by-step explanation: That's math for you

AnnZ [28]2 years ago
5 0

Answer:

The Answer is 1080x^21 + 2160x^20 + 3

Step-by-step explanation:

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A town has a population of 8000 and grows at 3% every year. To the nearest tenth of a year, how long will it be until the popula
Alexxx [7]

Answer:

It will take approximately 34 years

Step-by-step explanation:

If a town population is 8000 and grows 3% annually.

How long will it take to reach 16300

growth is 16300 - 8000 = 8300

using simple interest formula

SI = (P × r × t)/100

8300 = (8000 × 3 × t)100

8300= (80 × 3)t

8300 = 240t

t = 8300/240

t ≈ 34 years to the nearest tenth

8 0
3 years ago
PLEASE HELP... VERY URGENT... WILL GIVE BRAINLIEST!!!
lakkis [162]

Answer:

Step-by-step explanation:

a) Pythagorean theorem,

altitude² + base² = hypotenuse²

h²  + (w² - 1)² = (w² + 1)²

                    h² = (w² + 1)² - (w² - 1)²    

{Compare with (a + b)² - (a -b)² = 4ab where a =w² & b = 1}

                   h² = 4*w²*1

                   h² = 4w²

                   h=\sqrt{4w^{2}} = \sqrt{2*2*w*w} \\\\\\h = 2w

b) Area of triangle = \frac{1}{2}b*h

                               =\dfrac{1}{2}*(w^{2}-1) *2w\\\\= (w^{2}-1)*w = w^{2}*w - 1*w\\\\=w^{3}-w

c) w =2

Area of triangle = 3w = 3*2 = 6

7 0
2 years ago
Question 7. Ezequiel's Biology marks are 8.3, 6.8 and 9.4 out of 10. His final grade in Biology is the mean of these three marks
Paha777 [63]

Answer:

Ezequiel's final grade is 8

Step-by-step explanation:

The average (mean) of Ezequiel's grade is:

\frac{(8.3+6.8+9.4)}{3} \approx 8.16666

which rounded to the nearest unit is 8.

6 0
3 years ago
The function f(x) = a^x + 4 will never cross the x-axis if a is positive. True or False?
Jet001 [13]

Answer:

True

Step-by-step explanation:

If a is negative then the shape of the graph is an upside down U, which intersects the x-axis. If a is positive it will never cross the X axis.

8 0
2 years ago
-22 divide by 11 answer​
Lady_Fox [76]

Answer:

-2

Step-by-step explanation:

6 0
2 years ago
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