3 years ago

Which equation is not equivalent to the formula R equals s t

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

5 0

R+s+t=

or R ×s × t=

or r÷s÷t=

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Ipatiy [6.2K]

Answer:

v = 729 in³

Step-by-step explanation:

v = 9 * 9 * 9

v = 729 in³

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3 years ago

Find y when x = 9 if y varies directly as the square of x, and y = 245 when x = 7.

Lera25 [3.4K]

Step-by-step explanation:

y is directly proportional to x^2.

This means that y = kx^2, where k is a real constant.

When x = 7, y = 245:

245 = k(7)^2 = 49k. By division, k = 5.

Now we know that y = 5x^2, when x = 9, y = 5(9)^2 = 5 * 81 = 405.

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12 cards = $15.00

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Novay_Z [31]

In this question , we have to use compound interest formula, which is

$A= P(1+r)^t$

Here Amount after 3 years = $133.10

Rate of interest = 10%=0.1

TIme =3 years

So we get

$133.10= P(1+0.1)^3 \\ 133.10 = P(1.1)^3 \\ 133.10 = 1.331P \\ P = 100$

Now we have principal, P = $100,

Rate of interest, r =0.1

Time, t = 5 years

So we will get

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4.1 is the answer. that is the answer

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3 years ago