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3 years ago

Given the formula I=prt, if p = 8000, r = 0.6, and t = 1, what is the value of "I"?

2 answers:

max2010maxim [7]3 years ago

7 0

Because you have the formula, it is pretty easy to answer.
l=prt, so you plug in p, r, and t to get l.
1) l = 8000 times 0.6 times 1
2) you would then get 4800 times 1
3) Now you have 4800 because 4800 times 1 is 4800.

l = 4800

alexandr402 [8]3 years ago

6 0

Well, 8000 (p) * 0.6 (r) = 4800, and if you multiply that by 1 (t) it's still 4800. So the value of I is 4800.

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Eddi Din [679]

Aubrey would be able to run 9 miles in ninety minutes.

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2 years ago

bryan has some 3 cent stamps and some 4 cent stamps. what is the least number of stamps he can combine so the value of the stamp

SashulF [63]

Answer:

The least number of stamps required is $9$

Step-by-step explanation:

Let the number of $3$ cent stamps be $x$ and $4$ cent stamps be $y$

We have

$3x+4y=33$

The minimum number is obtained when more $4$ cent stamps are used

Here $y$ cannot be greater than $8$ since $\frac{33}{4}$

Substitute $y=8$

$3x+4\times 8=33\\\\3x=1\\\\x=\frac{1}{3}$

Not possible since $x$ is not a fraction

Substitute $y=7$

$3x+4\times 7=33\\\\3x=5\\\\x=\frac{5}{3}$

Not possible since $x$ is not a fraction

Substitute $y=6$

$3x+4\times 6=33\\\\3x=9\\\\x=\frac{9}{3}\\\\=3$

Possible

Hence minimum number of stamps is

$=x+y\\\\=3+6\\\\=9$

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2 years ago

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3 years ago

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3 years ago

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GuDViN [60]

Given problem;

A = 4 π R²

To solve for R, we have to make it the subject of the expression.

Since

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Multiply both sides by $\frac{1}{4\pi }$

A x $\frac{1}{4\pi }$ = $\frac{1}{4\pi }$ x 4 π R²

$\frac{A}{4\pi }$ = R²

Then find the square root of both sides

√R² = $\sqrt{\frac{A}{4\pi } }$

R = $\sqrt{\frac{A}{4\pi } }$

The solution is $\sqrt{\frac{A}{4\pi } }$

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3 years ago