3 years ago

Worth All My Points

Mathematics

1 answer:

IgorC [24]3 years ago

8 0

Answer:

a lot

Step-by-step explanation:

i dont know i suck at math I just want point laugh out loud.

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My house is 20 miles from yours, but on the map it is only 4 mm away.

Yuki888 [10]

Answer:

A. 1mm = 5mi

Step-by-step explanation:

20 mi divided by 4 mm would simplify down to 5 mi per 1mm. If there is 4 mm then there is 5mi*4mm which equals out to 4 mm = 20 mi.

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3 years ago

While making a book cover, Anwar uses enough material to cover the front, back, and spine of the book. He adds an extra 20 squar

Paul [167]

Your answer is 27. And your gladly welcome.

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3 years ago

A dust particle weighs 7.42 × 10-10 kilograms. What is the weight of 5 × 106 dust particles represented in scientific notation?

vova2212 [387]

5 x 106 = 530 particles

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3 years ago

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Who do you simplify 10/12

Airida [17]

Answer:

5/6

Step-by-step explanation:

reduce by a number that goes in both numbers like 2

10/2= 5

12/2 = 6

5/6 is the reduce fraction

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3 years ago

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Find an equation of the circle that has center (-4,3) and passes through (6,-4).

kumpel [21]

Answer:

$(x+4)^2+(y-3)^2=149$

Step-by-step explanation:

The equation of a circle is $(x-h)^2+(y-k)^2=r^2$ where $(h,k)$ is the center of the circle and $r$ is the radius of the circle.

Given that $(h,k)\rightarrow(-4,3)$ and it passes $(6,-4)$ , their distance between each other must the radius of the circle, so we can use the distance formula to find the radius:

$d=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}\\\\d=\sqrt{(-4-3)^2+(6-(-4))^2}\\\\d=\sqrt{(-7)^2+10^2}\\\\d=\sqrt{49+100}\\\\d=\sqrt{149}$

Therefore, if the length of the radius is $r=\sqrt{149}$ units, then $r^2=149$ , making the final equation of the circle $(x+4)^2+(y-3)^2=149$

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3 years ago