3 years ago

POWER TO THE PLAYERS Subtotal: $120.00 15% off coupon What is the discount amount?

Mathematics

1 answer:

Trava [24]3 years ago

8 0

Answer:

102

Step-by-step explanation:

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Can someone please help with these volume equations? 10th grade geometry. will reward brainly

prisoha [69]

Answer:

First picture - 20.42 m

Second picture - 12.9 m

Step-by-step explanation:

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Formula for pyramid:

$V=b^2\frac{h}3$

Where,

b = base - 3.5 m

h = height - 5 m

Thus,

$V=3.5^2\frac{5}{3}$

$20.41667m^3$ ≈ $20.42m^3$

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Formula for pyramid:

$V=b^2\frac{h}3$

Where,

b = base - 3 m

h = height - 4.3 m

Thus,

$V = 3^2\frac{4.3}{3}$

$12.9m^3$

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<u><em>Kavinsky</em></u>

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2 years ago

An investment account was opened with an initial deposit of 9,600 and earns 7.4% interest compounded continuously, how much will

emmainna [20.7K]

Answer:

10,656

Step-by-step explanation:

I=PRT

I=(9600)(0.074)(15)

Multiply those

I=10,656

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2 years ago

If 7x - 4y = 23 and x + y = 8, what is the value of x?

Margaret [11]

Answer:

x=5

Step-by-step explanation:

7x - 4y = 23 and x + y = 8

Multiply the second equation by 4

4x + 4y = 32

Add this to the first equation

7x - 4y = 23

4x + 4y = 32

------------------------

11x = 55

Divide each side by 11

11x/11 = 55/11

x = 5

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3 years ago

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Sara says, "If you subtract 19 from my number and multiply the difference by - 6, the result is - 72." What is Sara's number?

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19-7 equals 12. 12 times -6=-72. Sara’s number is 7

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2 years ago

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Just watch videos on youtube.

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3 years ago