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2 years ago

Please help me I am stuck (questions are in the picture, and the marked-off section does not have to be done).

Mathematics

1 answer:

devlian [24]2 years ago

8 0

A. 250+50(m)
M representing months
B. 250+50(2)=350
250+50(4)=450
250+50(6)=550
250+50(8)=650
250+50(10)=750
C. You’ll start at (0,250)
The go to (2, 350), (4,450),etc
D. The x axis is months and the y axis is the amount of money saved.

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Paladinen [302]

The solid shape is a cone and a half sphere. So the equation would be (cone volume) + (1/2 sphere volume):
$cone = \frac{1}{3} \pi {r}^{2} h \\ sphere = \frac{4}{3} \pi {r}^{3} \\ object = ( \frac{1}{3} \pi {r}^{2} h) + \frac{1}{2} ( \frac{4}{3} \pi {r}^{3} )$
If the volume of the cone is 270pi and the height of the cone is 10, then:
$270\pi = \frac{1}{3} \pi {r}^{2} (10) \\ 27 = \frac{1}{3} {r}^{2} \\ 80 = {r}^{2} \\ r = 9$
The radius of the object is 9 cm. Therefore, we can plug into the formula for the total volume:
$object = 270\pi + \frac{1}{2} ( \frac{4}{3} \pi {(9)}^{3} ) \\ = 270\pi + \frac{2}{3} (729\pi) \\ = 270\pi \: + 243\pi \\ = 513\pi$
The total volume is 513 pi cm^3

7 0

3 years ago

HELP ASAP, LINKS AND ABSURD ANSWERS WILL BE REPORTED! I WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

liq [111]

1/10

hope this helps!!

3 0

2 years ago

I DON'T understand

maks197457 [2]

Answer:

f(g(x)) = 72x^2+1

Step-by-step explanation:

f(x) = 2x^2 +1

g(x) = -6x

f°g(x) means f(g(x))

Take g(x) and substitute it in for x in f(x)

f(g(x)) = 2(g(x))^2 +1

=2(-6x)^2 +1

=2(36x^2) +1

=72x^2 +1

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3 years ago

A florist uses 5 red roses for every 2 white

Yakvenalex [24]

Answer is A

explanation: pay attention to the part where it says white (which is 2) to red roses (5) so it would be A

5 0

2 years ago

Read 2 more answers

WHOEVER ANSWERS CORRECTLY I'LL GIVE BRAINLIEST!!!!!!!!!!!

IRISSAK [1]

Answer:

16^6

Step-by-step explanation:

4^2 x 4^4 = 16^6

6 0

2 years ago