3 years ago

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Mathematics

1 answer:

Hatshy [7]3 years ago

4 0

Answer:

i don't see nothing

Step-by-step explanation:

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what do i put the box like <6 but with the line under? cause when i checked if it was right it said it was wrong

alexdok [17]

Since it’s a closed circle it would be x≥6 with the line

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3 years ago

A tile measures 10cm by 10cm. How many such tiles are required to cover a wall of size 4m and 2.5m?

irina [24]

Answer:

Step-by-step explanation:

[4m(2.5m)(100^2cm^2/m^2)]/10^2cm^2=1000 tiles

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3 years ago

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The average (arithmetic mean) of 0, a, and b is 2a. What is the value of b in terms of a?

kramer

0+a+b
a=2
b=10
0+2+10=12/3=4
4=2a
5a is the answer.

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3 years ago

Math problemmmmm<br> —————————-

denpristay [2]

Answer:

The answer to your question is x = 4

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3 years ago

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AB and BC and form a right angle at point B. If A = (-3, -1) and B = (4, 4), what is the equation of bc

adell [148]

Answer:

$y=\frac{-7}{5}x+\frac{48}{5}$ is equation of BC

Step-by-step explanation:

Given that AB and BC form a right angled triangle at point B.

i.e. BC is perpendicular to AB

Line AB contains two points (-3,-1) and (4,4)

Slope of AB = $\frac{y2-y1}{x2-x1} =\frac{4+1}{4+3} =\frac{5}{7}$

Slope of BC would be -1/slope of AB since AB and BC are perpendicular

Slope of BC =\frac{-7}{5}

Also we got a point on BC as B.

Use point slope formula

$y-y1=m(x-x1)\\y-4=\frac{-7}{5}(x-4)\\y=\frac{-7}{5}x+\frac{48}{5}$ $y-y1=m(x-x1)\\y-4=\frac{-7}{5}(x-4)\\y=\frac{-7}{5}x+\frac{48}{5}$

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4 years ago