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2 years ago

Evaluate the expression when x=3 and y=5 2xy

Mathematics

2 answers:

bija089 [108]2 years ago

7 0

Answer:

Step-by-step explanation:

Substitute for x and y

2 x 3 x 5 = 6 x 5 = 30

I hope this helped and please mark mark me as brainliest!

pickupchik [31]2 years ago

6 0

The answer is 30 because 2(3)(5) equals 30

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PLEASE HELP! Match the steps to find the equation of the parabola with focus (-1, -8) and directrix y = - 12.

nevsk [136]

Answer:

3,2,1,6,5,4

Step-by-step explanation:

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4 0

2 years ago

Solve N/3 + (-4)=-2.<br> A. 6<br> B. -18<br> C. 18<br> D. -2

Nana76 [90]

Answer:

A) 6

Step-by-step explanation:

n/3+(-4)=-2

n/3-4=-2

n/3=-2+4

n/3=2

n=2*3

n=6

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2 years ago

Find the slope of the line that passes through the points (0,-11) and (8,-8).

Korolek [52]

To find the slope of a line, we can use the following formula:

$\displaystyle \large{m = \frac{y_2 - y_1}{x_2 - x_1} }$

m-term stands for slope or gradient. The formula is useful whenever you want to find a slope of two points.

Let these be the following:

$\displaystyle \large{(x_1,y_1) = (0, - 11)} \\ \displaystyle \large{(x_2,y_2) = (8, - 8)}$

Substitute the points in formula:

$\displaystyle \large{m = \frac{ - 8 -( - 11)}{ 8 - 0} }$

Negative multiply negative always come out as positive.

$\displaystyle \large{m = \frac{ - 8 + 11}{ 8 - 0} } \\ \displaystyle \large{m = \frac{ 3}{ 8 } } \\$

Since m stands for slope, we can say that:

$\displaystyle \large \boxed{ \tt{slope = \frac{3}{8} }}$

5 0

2 years ago

Read 2 more answers

Solve the equation m=2n-p

allsm [11]

Here is your answer:

Move all terms with m to the left, all other terms to the right:

m + 2n + -2n = -2n + p

Combine like terms:

2n + -2n = 0

m + 0 = -2n + p

Which would equal "m = -2n + p" after you simplify.

Hope this helps!

~Nonportrit

3 0

3 years ago

Please help !!!!!!!!!!

Kruka [31]

Answer:

-4/3

Step-by-step explanation:

give 90°<Ø<180° show in Q2

and cscØ=5/4

tanØ in Q2 is minus

so tanØ is -4/3 #

6 0

2 years ago