2 years ago

Who wants brain i just need an answer of 75 divided by 66 without a decimal

Mathematics

1 answer:

Klio2033 [76]2 years ago

7 0

Answer:

1.1

Step-by-step explanation:

If you dont want a decimal then you would just round, and get 1

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ozzi

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3 years ago

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The area of a cross section through the center of a sphere is 46 square inches. Find the surface area of the sphere.

gavmur [86]

Answer:

184 in.^2

Step-by-step explanation:

The cross section through the center of a sphere is a circle whose radius is equal to the radius of the sphere.

area of circle

$A_{circle} = \pi r^2$

$\pi r^2 = 46$

$r^2 = \dfrac{46}{\pi}$

$r = \sqrt{\dfrac{46}{\pi}}$

$r = 3.83 ~in.$

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$SA = 4 \pi r^2$

$SA = 4 \times \pi \times (3.83)^2$

$SA = 184~in.^2$

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2 years ago

50, 40<br> What’s the GCF of these numbers

dexar [7]

Answer:

Step-by-step explanation:

40=2 x 2 x 2 x 5

50=2 x 5 x 5

therefore, GFC = 2x5

GFC= 10

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3 years ago

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A=pm+z solve for m<br> m=?

Leno4ka [110]

$A=pm+z\\\\pm+z=A\ \ \ \ |subtract\ "z"\ from\ both\ sides\\\\pm=A-z\ \ \ \ |divide\ both\ sides\ by\ "p"\\\\\boxed{m=\frac{A-z}{p}}$

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3 years ago

What's substitution for:<br> X=y-7<br> X+8y=2

MrRissso [65]

$\left \{ {{x=y-7} \atop {x+8y=2}} \right. \\\\
substitute\ x=y-7\ into \ the\ second\ equation\\\\
y-7+8y=2\\\\
9y-7=2\ \ \ | add\ 7\\\\
9y=9\ \ \ | divide\ by\ 9\\\\
y=1\\\\x=y-7=1-7=-6$

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2 years ago