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SVEN [57.7K]
3 years ago
8

A cube cut half along with diagnol of 20?

Mathematics
1 answer:
zavuch27 [327]3 years ago
8 0

Answer:

the answer is 42

Step-by-step explanation:

you round it

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Which Two Numbers Add Up To Negative 26 And Multiply To 11?
Fynjy0 [20]
Xy=11
x+y=-26


x+y=-26
minus x both sides
y=-26-x

sub for y
x(-26-x)=11
-26x-x^2=11
add 26x+x^2 both sides
x^2+26x+11=0

ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}


a=1
b=26
c=11

x=\frac{-26+/-\sqrt{26^{2}-4(1)(11)} }{2(1)}
x=\frac{-26+/-\sqrt{676-44} }{2}
x=\frac{-26+/-\sqrt{632} }{2}
x=\frac{-26+/-2\sqrt{158} }{2}
x=-13+/-\sqrt{158}

x=-13+\sqrt{158} or -13-\sqrt{158}

aprox

x=-0.420195 or -25.5698

those are the numbers
5 0
3 years ago
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Strike441 [17]
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6 0
3 years ago
Line AB has an equation of a line y = 5x − 2. Which of the following could be an equation for a line that is parallel to line AB
SpyIntel [72]
Determine the slope of line AB
m = 5

Determine the slope of the lines from the options
First option: y = 5x + 3, the slope is 5
Second option: y = (1/5)x + 3, the slope is 1/5
Third option: y = -5x + 3, the slope is -5
Fourth option: y = (-1/5)x + 3, the slope is -1/5

Parallel lines are similar in the slope. So the line which is parallel to line AB must have the slope of 5.

The answer is first option.
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3 years ago
What is the equation of the line that passes through the point (-3,-4) and has a slope of 4?
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It is =4x+8 that's the answer
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At Maxx Middle School, there are 30 times as many students as teachers. If there are 450 students, how many teachers are there?
vredina [299]
30 times as many students than teachers
Equation = 450/30 = 15 teachers
8 0
3 years ago
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