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3 years ago

11

If f=ma, what is the value of f when m=5 and a=3?

1 answer:

Feliz [49]3 years ago

3 0

The answer is: 15 .
__________________________ _____
{Note: If this is a physics problem ; and the formula: "F = m*a" is for:
"Force = mass * acceleration" ; be sure that the correct units are used!}.
_______________________________________________________
Explanation:
_______________________________
F = m * a ;

Given m = 5 ;

a = 3 ;
___________________
F = 5 * 3 = 15 .
_____________________

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IRISSAK [1]

Answer:

<h2>The x-interecepts are 5.6 and -1.4, approximately.</h2>

Step-by-step explanation:

The given equation is

$5x^{2} -21x=39$

Where $a=5$ , $b=-21$ and $c=39$ , let's use the quadratic formula

$x_{1,2}=\frac{-b(+-)\sqrt{b^{2}-4ac } }{2a} =\frac{-(-21) (+-)\sqrt{(-21)^{2} -4(5)(-39)} }{2(5)}\\ x_{1,2}=\frac{21(+-)\sqrt{441+780} }{10}=\frac{21(+-35)}{10}\\x_{1}=\frac{21+35}{10}=\frac{56}{10} \approx 5.6\\ x_{2}=\frac{21-35}{10}=\frac{-14}{10} \approx -1.4$

Therefore, the x-interecepts are 5.6 and -1.4, approximately.

7 0

3 years ago

Can you explain to me what is wrong with this question?

Anni [7]

Answer:

I'm pretty sure it would be negative square root of 3 over 1 or 2. Sorry if this isn't much help.

6 0

3 years ago

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What is the area of the trapezoid shown below?

ivanzaharov [21]

200, because wit the 10x15 already 150 so automatically answer above it wit the height

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3 years ago

A new motorboat costs $6000. The value of the boat decreases by 15% each year. What is the value of the boat after 3 years?

Elodia [21]

Answer:

The value of the boat after 3 years is $\$3,684.75$

Step-by-step explanation:

we know that

The formula to calculate the depreciated value is equal to

$V=P(1-r)^{x}$

where

V is the depreciated value

P is the original value

r is the rate of depreciation in decimal

x is Number of Time Periods

in this problem we have

$P=\$6,000\\r=15\%=15/100=0.15\\x=3\ years$

substitute

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3 years ago

What does x equal too?

yulyashka [42]

9x + 2a = 3a - 4x

13x = a

x = a/13

7 0

3 years ago

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