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Dima020 [189]
3 years ago
14

Need help with this question please!

Mathematics
1 answer:
Zolol [24]3 years ago
3 0

Answer:

Approximately 0.76

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Is the solutipn shown below correct? Explain. 9x+2=8x^2+6x
marin [14]

Answer:

the answer is not correct

there is a sign error under the radical

it should be 3^2 - 4(-8)(2) = sqrt(73) not sqrt(55i)

Step-by-step explanation:

3 0
3 years ago
Which expression is equivalent to 7 (x y)?
joja [24]

Answer:

it's option c x(7y)

Step-by-step explanation:

you don't need any order to multiply

7 0
2 years ago
Write an equation of a line that passes through the point (8,2) that is parallel and (b) perpendicular to the graph of the equat
oksian1 [2.3K]
For a parallel line the slope of the lines/equations will be the same but for perpendicular line the slope will be the negative reciprocal
-(1/4)*x+b
b=2-(-1/4)*8
4 0
3 years ago
Someone please solve & explain
den301095 [7]

Answer:

y+20 = 9(x+2)

Step-by-step explanation:

The slope that passes through the points is

m = (y2-y1)/(x2-x1)

    = (79- -20)/ (9--2)

    = (79+20)/(9+2)

     = 99/11

     = 9

We can use point slope form to write an equation.  It says to use the first point.

y-y1 = m(x-x1)

y--20 = 9(x--2)

y+20 = 9(x+2)


7 0
3 years ago
I need help on this question plz
drek231 [11]

Given is triangle with base = 10 cm and perpendicular height = 3 cm.

We know the formula for area of triangle is given by :-

Area = \frac{1}{2} × (Base) × (perpendicular height)

Area = \frac{1}{2} × (10) × (3)

Area = \frac{30}{2}

Area = 15 cm²

So, final answer is 15 cm².

3 0
3 years ago
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