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Yuri [45]
2 years ago
14

Find the volume and round to the nearest tenth as needed

Mathematics
1 answer:
erastovalidia [21]2 years ago
6 0

Answer:

1053 m^3

Step-by-step explanation:

Pyramid top   1/3 * 9 * 9 * 12 = 324 m^3

Base  9 * 9 * 9  = 729 m^3

total  1053 m^3

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The picture is there please help me and have a nice day
ivanzaharov [21]

Answer:

what grade level?

Step-by-step explanation:

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4 years ago
A credit card had an APR of 11.91% all of last year and compounded interest daily. What was the credit card's effective interest
zysi [14]

Solution:- For credit card, there is interest rate for borrowing money from the bank.  

and that interest rate is termed as yearly rate which is known as annual percentage rate (APR).

Now for the given question APR of a credit card i= 11.91%

and compounded interest daily so, n=365 days

Now for effective interest rate r=(1+\frac{i}{n}^n)-1

r=(1+\frac{0.1191}{365})^{365}-1 \\\Rightarrow\ r=(1+0.0003)^{365}-1\\\\\Rightarrow\ r=(1.0003)^{365}-1=1.1238-1=0.1238

=12.38%

So, the effective interest for last interest is 12.38%

6 0
3 years ago
Read 2 more answers
Solve by factoring: x2 – 9x + 20 = 0
gayaneshka [121]

Answer:

Answer

Given equation is:

x

2

−9x+20=0

⇒x

2

−5x−4x+20=0

⇒(x−4)(x−5)=0

⇒x=4andx=5

3 0
3 years ago
Read 2 more answers
Find the equation of the line shown
liraira [26]

The equation of line passing through points (4.5. 0) and (0, 9) is y = -2x + 9.

<h3>What is the equation of a line passing through two given points in a 2-dimensional plane?</h3>

Suppose the given points are (x_1, y_1) and (x_2, y_2), then the equation of the straight line joining both two points is given by

(y - y_1) = \dfrac{y_2 - y_1}{x_2 - x_1} (x -x_1)

The graph of the picture shows two clear points (4.5. 0) and (0, 9)

(y - 0) = \dfrac{9 - 0}{0 - 4.5} (x -4.5)\\\\\\(y - 0) = \dfrac{9 }{- 4.5} (x -4.5)\\\\\\-4.5y = 9(x -4.5)\\\\-4.5y = 9x - 40.5\\\\y = -2x + 9

Hence, the equation of line passing through points (4.5. 0) and (0, 9) is y = -2x + 9.

Learn more about straight-line equations here:brainly.com/question/380976

#SPJ1

3 0
2 years ago
What's the value of given expression​<br><br>3³ - 3⁴
Andreas93 [3]

Answer:

-54

Step-by-step explanation:

27−34

=27−81

=−54

4 0
3 years ago
Read 2 more answers
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