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3 years ago

Solve for F. Let m=5, a=3 F=ma

Mathematics

1 answer:

GrogVix [38]3 years ago

4 0

The answer will be: F= 5*3 = 15

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Use the quadratic formula to solve the equation x^2-7x-6=0

olganol [36]

Answer:

$\frac{7\pm\sqrt{73}} {2}$

Explanation:

We have been given with the quadratic equation $x^2-7x-6=0$

We have general formula to find the roots of a quadratic equation first we find the discriminant with formula

$D=b^{2}-4ac$

and after that to find the variable suppose x we have the formula

$x=\frac{-b\pm\sqrt{D}} {2a}$

And general quadratic equation is

$ax^2+bx+c=0$

On comparing the given quadratic equation with genral quadratic equation we will have values

a=1, b=-7 and c=-6

After substituting these values in the formula we will get

$D=(-7)^2-4(1)(-6)={73}$

After substituting in the formula to find x we will get

$\frac{-(-7)\pm\sqrt{73}} {2}= \frac{7\pm\sqrt{73}} {2}$

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3 years ago

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Ronnie charged his customers a flat fee of $25 to fix computers computers.Then he charge $30 for each hour that he spent fixing

stepan [7]

Answer:$200

Step-by-step explanation:

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3 years ago

Write the first 10 multiples of 3

Pavel [41]

3, 6, 9, 12, 15, 18, 21, 24, 27, 30.

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3 years ago

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Find: (4x2y3 + 2xy2 – 2y) – (–7x2y3 + 6xy2 – 2y)

Ivahew [28]

Answer:

10x2y3 -4xy2

Step-by-step explanation:

Just take the like terms and separate them-

1) 4x2y3 - (-7x2y3)= 10x2y3

2)2xy2 - 6xy2= -4xy

3)-2y - (-2y)= 0y

Hope this helps :)

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3 years ago

How many feet are in 84 inches

Drupady [299]

Since there are 12 inches in 1 foot you have to divide 84 by 12

84 divided by 12 is 7

So, there are 7 feet in 84 inches

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3 years ago