Evaluate 6 squared - 9 / X when x equals 3

Mathematics

2 answers:

Hatshy [7]3 years ago

3 0

Answer:

33 if evaluate means solve

Alja [10]3 years ago

3 0

It’s 33 I think so if you agree thank you

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A carpenter has 16 1/2 m of wood. He cuts the wood into pieces that are each 2 3/4 m long. How many pieces of wood does the carp

NNADVOKAT [17]

Simplify the denominator so it is the same
divide the 4 by 2
4 divided by 2=2
now the denominator the same.
16 1/2
2 3/2
multiply 3x1
so far, it is 3/2
it is an improper fraction
divide.
2 divides by 3 = 0.1 i know
1/2
Hope this helped :D! can you mark me brainliest...

5 0

4 years ago

Read 2 more answers

find the equation of the line using the slope formula. Write the final equation using the slope-intercept form. the x- intercept

Roman55 [17]

Answer:

$y=- 4x + 4$

Step-by-step explanation:

The slope formula for a straight line is:

$y=mx+b$

Where, 'm' is the slope and 'b' is the y-intercept.

To find the x-intercept of a line, we need to equal 'y' to zero, and then solve for 'x'. In this case we know that the x-intercept is 1, so we have the point (x1, y1)=(1,0). We are given a second point which is: (x0, y0)=(-2, 12).

To find the slope, we use the following formula:

$m = \frac{y1-y0}{x1-x0} = \frac{0-12}{1-(-2)} = -4$

Now, The equation of the line is: y - y0 = m(x-x0). Then, substituting the values of 'm', 'x0' and 'y0' we have that:

$y - 12 = -4(x+2) ⇒ y = -4x-8 + 12 ⇒ y=- 4x + 4$

The equation of the line using the slope-intercept form is:

$y=- 4x + 4$

7 0

3 years ago

Which set of three sides can be used to make a right triangle. Please show work !

Alexandra [31]

Answer:

D. 39, 80,89

Step-by-step explanation: In order for the side lengths to make a right triangle, they have to satisfy the phythagorean therom $a^{2} + b^{2} = c^{2}$ So $39^{2}$ is 1521 and $80^{2}$ is 6400. 1521+6400= 7921. So thats the $a^{2} + b^{2}$ part and then 7921 has to be equal to $c^{2}$ and $89^{2}$ is 7921. 7921 is equal to 7921 and therefore $a^{2} + b^{2}= c^{2}$ and it forms a right triangle.