A cement company is making 8 solid cement spheres Each sphere has a diameter of 2.5
Approximately how much concrete is needed to make all 8 spheres
8.2ft cubed
39.3ft cubed
62.8ft cubed
65.4ft cubed

Answers

Answer 1
The person above is correct

Related Questions

9, 8, 8, 2,0,0
Find the median

Answers

Step-by-step explanation:

i Think its 5 not sure thi

Put the numbers in order
0, 0, 2, 8, 8, 9
middle 2 number are 2 and 8
Add them and divide by 2
2 + 8 = 10
10/2
=5

I need help with my ixl ..

Answers

Answer:

The measure of angle E is 45 degrees

Step-by-step explanation:

To get the measure if angle E, we use the appropriate trigonometric ratio

From the question, EF is the hypotenuse since it faces the right angle

EG is adjacent to angle E

so we are going to use the trigonometric ratio that connects adjacent to the hypotenuse

This trigonometric ratio is the cosine

It is the ratio of the adjacent to the hypotenuse

Thus,

we have it that;

Cos E = EG/EF

cos E = 6√26/12√13

E = arc Cos ( 6 √26/12 √13)

E = 45 degrees

Talia bought a home for her pet turtle the rectangular tank is 3 feet long. 1 foot wide and 2 feet high. What is the volume?

Answers

Answer:

Volume of rectangular tank = 6 cubic feet

Step-by-step explanation:

Length of the rectangular tank = 3 feet

Width of the tank = 1 feet

And height of the rectangular tank = 2 feet

Since, tank is in the shape of a cuboid,

Volume of a cuboid = Length × Width × height

                                 = 3 × 1 × 2

                                 = 6 cubic feet

Therefore, volume of the rectangular tank will be 6 cubic feet.        

Answer:

6

Step-by-step explanation:

What are the lengths of the sides of the right triangle

that is formed? Check all that apply.

Oh

h-k

x

-h

OOOOOO

O x - y

y-h

y-k

Answers

The lengths of the sides of the right triangle that is formed are x-h and y - k

Unit circles

The triangle contained within the circle is a right angled triangle with the longest side as the hypotenuse.

Given the coordinate points (h, k) and (x, y), the lengths of the sides of the right triangle is equal to the difference between the x-ccordinate points and y-coordinate points

For the x-coordinstes

a = x - h

For the y-coordinate

b = y - k

Hence the lengths of the sides of the right triangle that is formed are x-h and y - k

Learn more on unit circle here: https://brainly.com/question/23989157

#SPJ2

The computer lab offers classes after school. In addition to an hourly rate, h, a registration fee,f-
is charged. The equations below model the cost for a 2 hour and 3 hour class.
2h + f = 65
3h + f = 90

A.$30
B.$25
C.$35
D.$15

Answers

Answer:

I think is b or a...........................

Step-by-step explanation:

B.....

Write as an algebraic expression: Five times
the difference of the cube of y and the
square of x
A. 5y3 + 5x2
B. (5y)3 - (5x)2
C. 5(y3 - x2)
D. (5y - 5x)^6

Answers

Given:

The statement is "Five times the difference of the cube of y and the square of x".

To find:

The algebraic expression for the given statement.

Solution:

We know that,

Cube = Power 3

Square = Power 2

Difference = Minus (-)

Times = Multiplication (×)

Now,

Cube of y = [tex]y^3[/tex]

Square of x = [tex]x^2[/tex]

Difference of the cube of y and the square of x = [tex]y^3-x^2[/tex]

Five times the difference of the cube of y and the square of x is:

Required expression = [tex]5(y^3-x^2)[/tex]

Therefore, the correct option is C. The required algebraic expression for the given statement is [tex]5(y^3-x^2)[/tex].

The answer to this question

Answers

Answer: B

Step-by-step explanation:

I believe so but I’m not sure I remember having that exact question I forgot

7,-3,12,-0.8,0.8,-10,-2 if these numbers represent temperatures in degrees Celsius which is the coldest?

Answers

Answer:

-10 i think

Step-by-step explanation:

The pattern 96, 92, 88, 84, ________ follows the "subtract 4" rule. Study the pattern to find traits that are not obvious in the rule. Explain.

Answers

Answer:

even numbers

Step-by-step explanation:

Answer: I can tell that all of them are even.

Step-by-step explanation:

how I can tell is that they end in 6,2,8,4,0 which are all even numbers

What is the equation of the graphed line written in
standard form?
x=-3
y=-3
x+y =-3
x-y=-3

Answers

Answer:

the fist one

Step-by-step explanation:

its hard to rite on cumputer but i did this question before.

What is the measure of angle x? Enter your answer in the box. x=​

Answers

Answer:

43

Step-by-step explanation:

Drag and drop numbers and symbols into the blanks to complete an equation that can be used to find the value of y. Each symbol may be used more than once or not at all.

Drag and drop the numbers and symbols into the correct order.

Answers

Step-by-step explanation:

what grade you in bro I am 7 how am I supposed to know this

Find the length of BC.

Answers

Answer:

BC = 10 units

Step-by-step explanation:

From the picture attached,

It's given that AD and BE are the parallel sides.

AC and DC are the transversal lines intersecting the parallel lines.

In ΔADC and ΔBEC,

∠DAC ≅ ∠EBC [Corresponding angles]

∠ADC ≅ ∠BEC [Corresponding angles]

ΔADC ~ ΔBEC [By AA property of similar triangles]

By the property of similar triangles,

Corresponding sides of the similar triangles are proportional.

[tex]\frac{AC}{BC}=\frac{DC}{EC}[/tex]

[tex]\frac{AB+BC}{BC}=\frac{DE+EC}{EC}[/tex]

[tex]\frac{2.5+BC}{BC}=\frac{2+8}{8}[/tex]

[tex]\frac{2.5}{BC}+1=\frac{10}{8}[/tex]

[tex]\frac{2.5}{BC}=\frac{5}{4}-1[/tex]

[tex]\frac{2.5}{BC}=\frac{1}{4}[/tex]

BC = 10

Find the circumference of a circle with a radius of 2 inches. Give an exact answer.

Answers

Answer:C=2πr=2·π·2≈12.56637in

Step-by-step explanation:

A farmers field has the dimensions shown. He needs to find the area of the field so that he knows how much he needs to buy .Whats the area the field?

Answers

Answer:

Area of the rectangular Field = 3 8/9 km²

Step-by-step explanation:

Length of the field = 2 1/3 km

Width of the field = 1 2/3 km

Area of a rectangular Field = length × width

= 2 1/3 × 1 2/3

= 7/3 × 5/3

= (7*5)/(3*3)

= 35/9

Area of the rectangular Field = 3 8/9 km²

Perimeter of the rectangular Field = 2(length + width)

= 2(2 1/3 + 1 2/3)

= 2(7/3 + 5/3)

= 2(7+5/3)

= 2(12/3)

=2(4)

= 8 km

Perimeter of the rectangular Field = 8 km

guys please help me with this question, I’d appreciate it a lot

Answers

the area of the rhombus is 31.5

b. 31.5

Step-by-step explanation:

AREA OF RHOMBUS = a=pq/2

a=9×7/2

63/2

=31.5

lucia puts 6 pounds of strawberries into 3/4 pound boxes. how many boxes does Lusia fill

Answers

Answer:

8

Step-by-step explanation:

6 divided by 0.75 is 8 :)

Answer:

she will fill 8 boxes

Step-by-step explanation:

True or False:

(2x2 - 3x) - (4x2 - x) = -2x2 - 2x

Answers

the answer to it is is true
yeah it’s true

An arc is subtended by a central angle measuring pi/2 radians. What fraction of the circumference is this arc?

Answers

Answer:

The angle is 1/4 the circumference is the arc

Step-by-step explanation:

To solve this, we are to set up a fractional relation between the central angle subtended by the arc and the total angle subtended by the circle.

At this point, we can note that the circumference of a circle actually subtends an angle of 2π radians at the center.

To express the angle subtended by the central angle [angle at the centre of the arc] as a fraction of the total circle, we do this:

The central angle of arc / total angle at the centre of the circle

= π/2 ÷2π

=[tex]\pi/2 \times \frac{1}{2\pi}= 1/4[/tex]

Therefore the angle is 1/4 the circumference is the arc

6) What is Stacy's final number if her starting number is 12?

Answers

Answer:

what are the answer choices?

Step-by-step explanation:

Answer:

The answer to this problem would be 12, since 12 is the starting number ! :)

Help no links please ! Find the perimeter of the figure (I’ll mark brainliest if correct)

Answers

Answer:96

Step-by-step explanation:

9+9+9+9+9+9+12+30

x+5-4x+5≤−4 plz help

Answers

Answer: x≥14/3

Step-by-step explanation: Hope this help :D

Answer:

Step-by-step explanation:

x+5-4x+5≤−4

-3x≤-14

3x≥14

x≥[tex]\frac{14}{3}[/tex]

The vertices of a triangle are located at the points A(0, 1), B(2, 4) and C(3, 0). The triangle is translated 5 units down to obtain triangle A′B′C′. What are the coordinates of the vertices of triangle A′B′C

Answers

Answer:

The coordinates of the vertices of triangle A'B'C' are [tex]A'(x,y) = (0,-4)[/tex], [tex]B'(x,y) = (2,-1)[/tex] and [tex]C'(x,y) = (3,-5)[/tex].

Step-by-step explanation:

According to this statement, triangle ABC must be translated 5 units in the -y direction to form triangle A'B'C'. We need to use the following operations:

[tex]A'(x,y) = A(x,y) +(0,-5)[/tex] (1)

[tex]B'(x,y) = B(x,y) +(0,-5)[/tex] (2)

[tex]C'(x,y) = C(x,y) + (0,-5)[/tex] (3)

If we know that [tex]A(x,y) = (0,1)[/tex], [tex]B(x,y) = (2,4)[/tex] and [tex]C(x,y) = (3,0)[/tex], then the new  vertices of the rectangle are, respectively:

[tex]A'(x,y) = (0,-4)[/tex], [tex]B'(x,y) = (2,-1)[/tex], [tex]C'(x,y) = (3,-5)[/tex]

HELPSDBNENANSSnshejs

Answers

I WILL TRY AND FIGURE IT OUT RQ

Answer:

64 left handed girls

25 left handed boys

89 total left handed students

Step-by-step explanation:

Multiply 320 x 0.2

Multiply 250 x 0.1

You can think of it this way, 0.2 is 2/10 and 0.1 is 1/10 so take 20 percent of 320 and 10 percent of 250

Add them up for your answer 64 + 25 = 89

can someone please help me with this question? (no links!!)

Answers

Answer:

95.03

Step-by-step explanation:

half the radius- 11/2=5.5

A=πr^2

=πx5.5^2

Help please!!!!!!????!!!!

Answers

Answer:

28 yd²

Step-by-step explanation:

find the two biggest sides

2x4

8 but there are two sides...

8*2= 16

*16*

now side panels

1x4

4 but there are two

4*2= 8

*8*

top and bottom panels

2x1

2 but there are two

2*2= 4

*4*

add them up

16 + 8 + 4= 28  

Find the sum of 6x^2+10x-16x 2 +10x−1 and -5x^2-2x+1−5x 2 −2x+1.

Answers

the answer is x-5........

Neil bought 2 pounds of beef. He wants to make hamburger patties that weigh 1/4 pound each. How many patties can Neil make

Answers

Answer: 8 patties

Step-by-step explanation:

There are 2 pounds of beef and Neil wants to use these to make patties that are 1/4 pounds each.

The number of patties that can be made are:

= Pounds of meat available ÷ Pound needed per patty

= 2 ÷ 1/4

= 2 * 4/1

= 8 patties

The total cost for skating at the Frenchtown Roller Rink depends on the number of hours a person skates. The roller rink charges a $5 entrance fee and a $3 hourly rate for roller skating. Part B: How much would it cost to skate for 4 hours at the Frenchtown Roller Rink? Use the equation you selected & solve Part B question in the show your work space below.

Answers

Answer:

$17

Step-by-step explanation:

initial cost + hourly rate (number of hours)

$5 + $3 x 4

$5 + $12

= $17

What's the y intercept of the following equation?
10y = 20x + 30

Answers

Answer:

[tex]10y = 20y + 30 \\ y = 2y + 3 \\ y \: intercep = 3[/tex]

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