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3 years ago

Can you guys help me here please

Mathematics

1 answer:

nirvana33 [79]3 years ago

5 0

I only know A right now because I have to leave, sorry. A=1/3

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EMERGENCY!!!!MY MOM WILL MOVE ME TO A DIFFERENT SCHOOL IF I DONT GET MY HOMEWORK DONE AND GET A GOOD GRADE PLEASE, NOT JOKING!!!

REY [17]

A. 2.5 or if 5/2 isn't "5 divided by 2" 5/2

B. x7/3 = 1 (write in number form?)

C. x = 1/22 = 0.045

I hope these are the correct answers for you!

6 0

4 years ago

Mad math for pi, I have no clue how to do this!!

bogdanovich [222]

To calculate the volume of this figure, we just have to find the volume of the hemisphere and the volume of the cone, then sum them up.

The volume of a hemisphere (the half of a sphere) is given by the formula:

$V=\frac{2}{3}\pi r^3$

Where r is the radius.

The volume of a cone is given by the formula:

$V=\frac{1}{3}\pi r^2h$

Where h is the height of the cone.

From the figure we have:

r = 5.3in

h = 9 in

Then, when we substitute these values into the above formulas, we get:

For the hemisphere:

$V=\frac{2}{3}\pi r^3=\frac{2}{3}\times3.14\times(5.3)^3=311.6$

The volume of the hemisphere is 311.6in^3

For the cone:

$V=\frac{1}{3}\pi r^2h=\frac{1}{3}\times3.14\times5.3^2\times9=264.7$

As mentioned, the volume of the whole figure is the sum of the volume of the cone and the volume of the hemisphere, then, the volume of the figure is:

V=311.6in^3 + 264.7in^3 = 576.3in^3

Then, the correct answer is option A

3 0

2 years ago

Find the slope from the two points given: (0, -2) and (-6, 4)

kumpel [21]

Answer:

Step-by-step explanation:

here x1=0 y1=-2 x2=-6 y2=4

slope=y2-y1/x2-x1

=4-(-2)/-6-0

=4+2/-6

=6/-6

=-1

therefore slope=-1.

3 0

3 years ago

Students in Mrs. Becker's class and Mr. Rolland's class sold boxes of popcorn for

saveliy_v [14]

Answer:

Please write the question in a more simple form wheras it shall be easier to answer.

Step-by-step explanation:

4 0

4 years ago

Help if you do this you will get seven years of good luck if you don't you will get seven years of bad luck: (SAT Prep): Find th

KatRina [158]

Answer:

$Slope=\frac{7}{2}=3.5$

Step-by-step explanation:

Slope of line: $Slope\ of\ line\ passing\ through\ (x_1,y_1)\ and\ (x_2,y_2)\ is\ given\ by\ \frac{y_2-y_1}{x_2-x_1}$

$Here\ (x_1,y_1)=(\frac{2}{7},5)\\\\(x_2,y_2)=(10,39)\\\\Slope=\frac{39-5}{10-\frac{2}{7}}\\\\Slope=\frac{34}{\frac{68}{7}}\\\\Slope=\frac{34\times 7}{68}\\\\Slope=\frac{7}{2}=3.5$

5 0

3 years ago