3 years ago

Please help I need help fast

Mathematics

2 answers:

solong [7]3 years ago

7 0

Answer:

the 1/5 *1/5*1/5=1/125

Step-by-step explanation:

because of the third power

Volgvan3 years ago

3 0

Answer:

it's B! 1/5 x 1/5 x 1/5! it's 1/5 multiplied 3 times

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

5 0

3 years ago

I need help asap thank you for whoever solves it

deff fn [24]

Answer:

ok hear me out

Step-by-step explanation:

she crochets at a rate of 1/15 per day but if she can manage to get 3/15 done within maybe a day or two, then she will get 1 blanket done in 5 to 10 days. then 3 blankets could take anywhere from 15 - 30 days which leaves 30 days to spare. this probs isn’t what ur looking for but i have a pointttt

6 0

3 years ago

Which complex number has an absolute value of 5?

Shkiper50 [21]

I believe the only complex number that has the absolute value of 5 is
–3 + 4i

4 0

4 years ago

Read 2 more answers

A boat can travel 140 miles on 14 gallons of gasoline. How much gasoline will it need to go 180 miles

SIZIF [17.4K]

I can only assume it would be 18 gallons. 140/14= 10 miles per gallon. 180 miles=180/10. Hope this helps

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