3 years ago

Help a girly out and you’ll get a

Mathematics

2 answers:

emmasim [6.3K]3 years ago

5 0

Answer: equation for point for is

y=mx+b

Step-by-step explanation:

Yuki888 [10]3 years ago

3 0

Answer:

I will get a cookie!

y=mx+b

Step-by-step explanation:

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A stack of boards is 21 inches high. Each board is 1 3/2 inches thick. How many boards are there?

Elena-2011 [213]

If the stack is 21ins and each board is 1 3/2 ins thick that means you 21/(1 3/2) so you end up getting 8.4. Because you can't have a part of a board you round the number down to 8 boards.

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4 years ago

Write the equation in standard form for the circle with center (0, -6) and radius 7.

LUCKY_DIMON [66]

Step-by-step explanation:

the equation of circle is given by

$(x - h) {}^{2} + (y - k) {}^{2} = {r}^{2} \\ (x - 0) {}^{2} + {(y + 6)}^{2} = {7}^{2} \\ {x }^{2} + {y}^{2} + 12y + 36 = 49 \\ {x }^{2} + {y}^{2} + 12y = 13$

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2 years ago

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3 years ago

9x + 12 - 5x =-4<br><br> Help

Talja [164]

Answer:

x = -4

Step-by-step explanation:

I'm assuming we solve for x, so Let's solve for x!

First, combine like terms.

4x + 12 = -4

Now subtract -12 from each side.

4x = -16

Now, divide by 4 from each side.

x = -4

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3 years ago

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A regular hexagon is drawn inside of a circle so that each of its vertices touches the circle. the diameter of the circle is 4 c

LenKa [72]

The length of the circumference is (being $d$ the diameter, and using 3.14 for $\pi$ ):

$L = 2 \cdot r \cdot \pi = d \cdot \pi = 4 \cdot \pi \text{ cm} = 12.56 \text{ cm}$

The perimeter of the hexagon is 12 cm.

Hence, the circumference is 0.56 cm longer than the perimeter of the hexagon.

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3 years ago