Mathematics High School

properties of a cube​

Answers

Answer 1

Answer:

Step-by-step explanation:

Properties Of A Cube
Answer 2
In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. The cube is the only regular hexahedron and is one of the five Platonic solids. It has 6 faces, 12 edges, and 8 vertices.
Properties Of A Cube

Related Questions

Which expression can be used to find the volume of the sphere? A sphere with radius 9 inches. V = four-thirds pi r squared = four-thirds (3.14) (9) squared V = four-thirds pi r cubed = four-thirds (3.14) (9) cubed V = four-thirds pi r cubed = four-thirds (3.14) (18) cubed V = four-thirds pi r cubed = four-thirds (3.14) (18) cubed Mark this and retur

Answers

Answer:

V = four-thirds pi r cubed = four-thirds (3.14) (9) cubed

Step-by-step explanation:

HELP I NEED HELP ASAP

Answers

Answer:

C) Linear

Step-by-step explanation:

To find this, I turned the situation into an expression. The expression representing this would be: 2x + 5 (a linear function). The 2x represents how much his dad gives Joseph weekly. The 5 represents how much Joseph already has.

Hope it helps!

I need help with math here is the problem 3(2x+6)

Answers

Answer:

6x+18

Step-by-step explanation:

Step-by-step explanation:

Distribute the 3 to the 2X and 6:

3 x 2X + 6 x 3 = (3 x 2)X + 18 = 6X +18

PLEASE HELP ITS DUE SOONNNNN

Answers

Answer:

1 is correct.

2 is incorrect.

3 is correct.

4 is correct.

5 is correct.

6 is incorrect.

Step-by-step explanation:

You're welcome, hope I helped.

oouuu i’m glad the person above helped

Answer the photo below thanks

Answers

Answer:

Tu = 15

Step-by-step explanation:

Since

rec MNOP is similiar to STUV

then

OP/UV = NO / Tu

then

4/6 = 10/ Tu

Tu = 6 * 10 / 4 = 15

math help me pls now now

Answers

Answer:

14/1

Step-by-step explanation:

16/3 –5/4

(16*4–5*3)/12

49/12

1 4/1

Answer: 4 1/12

Step-by-step explanation:

Hope this helps!

geometry, write statement and reason

Answers

when i do proofs, i always have notes that tell me the answer. maybe look in your book, sometimes they r in there! hope this helps
AB is parallel to DC (given).
AB is congruent to DC (given).
Both triangles share line AC...so you can start there and say that AC is congruent to AC (reflexive property).
Since AB and DC are parallel, and they are cut by a transversal (line AC), you can say that angle DCA is congruent to angle BAC (alternate interior angles theorem).
Since you have 2 sides and the included angle congruent on these 2 triangles, you can say that triangles ABC and CDA are congruent by the SAS (Side-Angle-Side) theorem...or just “SAS”

Find the HCF of 45 and 81.​

Answers

Answer:

3² = 9

Step-by-step explanation:

45 =  3² × 5

81  = 3⁴

================

HCF = 3²

NEED HELP A mine extracts 2 tons of ore in an hour. Of the total ore extracted in a day, 4 tons is purchased by the government and more than 10 tons is sold to a mineral extractor. If the mine operates for x hours in a day, what is the simplest inequality that represents the number of hours the mine must operate to meet its obligations?
A.
x > 3
B.
x > 4
C.
x > 5
D.
x > 7

Answers

Answer:

D. x > 7

Step-by-step explanation:

The mine operates x hours per day and extracts 2 tons of ore per hour.

The amount of ore extracted as a function of hours of operation is

2x

The mine must produce 4 tons plus more than 10 tons each day. The mine must produce more than 14 tons in one day. That means that 2x must be greater than 14.

2x > 14

Divide both sides by 2.

x > 7

Answer: D. x > 7

ANSWER ASAP GIVING BRAINLIEST FIVE STARS AND A HEART I ONLY NEED A FEW SENTENCES!
Please answer the following essay question:
An isosceles triangle has two congruent angles. Write an expression to represent the measure of the third angle of the triangle. Explain.

Answers

Answer:

third angle =180-two congruent angles. is expression.

Solve for x.
ax + b = r
O
b-r
X=
a
O
r-b
X=
a
b-a
X=
r
O
ar
X=
b

Answers

Answer:

x = (r-b) /a

Step-by-step explanation:

ax + b = r

Subtract b from each side

ax+b-b = r-b

ax = r-b

Divide each side by a

ax/a = ( r-b)/a

x = (r-b) /a

(Grade 7 math) What is the area of the triangle when b=3.5 and h=3? B is the base and h is the height

Answers

Answer:

The area of the triangle

    A = 5.25 square units

Step-by-step explanation:

Explanation:-

Given that the base of the triangle(b) = 3.5

The height of the triangle(h)  = 3

The area of the triangle

                                 [tex]A = \frac{1}{2} base X height[/tex]

                                [tex]A = \frac{1}{2} (3.5) (3)[/tex]

                               A = 5.25 square units

can someone solve this

Answers

the answer is 5r^2 -1
hope this helps !

whoever answers this question first gets brainly

Answers

Answer: B

Step-by-step explanation:

9.62112750.....

area = πr²

3.5 ÷ 2 = 1.75

1.75² × π = 9.6211250....

= 9.6 ft²

solve for x or find x ​

Answers

X=9
Prove
9+27=36
4(9)=36

There are 6 bananas in a bunch and 4 monkeys want to share them
evenly. How many bananas does each monkey get? *

Answers

Answer:

1.5 banana each

Step-by-step explanation:

2) Add the following:

4a2 + b2 – 3ab, 3a2 – 7b2 + 8ab and a2 – b2 + 2ab



​

Answers

Answer:

8a2-8b2+7ab

Step-by-step explanation:

Putting together all of the a2 gets you to 8a2

Putting together all of the b2 gets you to -8b2

Putting together all of the ab gets you to 7ab

Find the solution of y = 3x + 3 for x = –3.


(12, –3)

(–3, –6)

(–3, 0)

(–3, –2)

Answers

Answer:

B.

Step-by-step explanation:

Well, we know x=-3.

Substitute -3 for x in the equation, and solve. You should get -6.

(x,y)

(-3,-6)

please help me on this will give you brainliest

Answers

It should be 16 if I am correct

-8a^2+40a=
this is a factoring question

Answers

Answer:

-8a(a-5)

Step-by-step explanation:

-8a^2+40a

-8a(a-5)

Model the unknown number problem by writing an
algebraic expression. Then complete the statements.
Juan doubled his workout time.
Replace the words 'workout time" with.
The word "doubled" means
The correct algebraic expression is

Answers

Answer:

Model the unknown number problem by writing an algebraic expression. Then complete the statements.

Juan doubled his workout time.

Replace the words “workout time” with.

✔ the variable w

.

The word “doubled” means  

✔ multiplied by 2

.

The correct algebraic expression is  

✔ 2w

.

Step-by-step explanation:

Answer:

Model the unknown number problem by writing an algebraic expression. Then complete the statements.

Juan doubled his workout time.

Replace the words “workout time” with.

✔ the variable w

The word “doubled” means

✔ multiplied by 2

The correct algebraic expression is

✔ 2w

Step-by-step explanation:

find the value of x

Answers

Answer:

x=32

Step-by-step explanation:

52=whatever angle x+20 is.

help plz. thank u so much.​

Answers

Answer:

i think x/y=4

Step-by-step explanation:

3 times the sum of a number and 8​

Answers

Answer:

uh 3x+24 only if the the number is x if it is definite just plug it in to the equation

Step-by-step explanation:

If A = (- 1, - 3) and B = (11, - 8) what is the length of AB? 13 units 12 units C. 11 units D. 14 units

Answers

Answer:

12 units is the answer.

Find the product (x + 4)​

Answers

Answer:

4x

Step-by-step explanation:

It would be 4x because you have no value given of the variable "X"

therefore, your answer would just be adding the x to the 4 making it 4x

hope this helped!

p=

A. i
B. -1
C. -i
D. 1

Answers

Answer:

la respuesta es capó la B

Step-by-step explanation:

xeos para rellenar ti dirección para saber cómo está buenardo que la mujer de mi celular no puedo consultar con ningún compañero

There are 21 animals living in the barn. Some are chickens and some are horses. There are 46 legs in all. How many chickens and how many horses are in the barn?

Answers

Answer:

7 horses,and 6 chickens

Work out the values of a and b in the identity
4(9x + 11)+5(3x+b)
A=
B=

Answers

Answer:

=36x+44+15x+5bƩƩƩƩ

=51x+44+5b ƩƩƩƩƩ

Which of the following best describes the equation below?

y = -3x - 13
A.
both linear and nonlinear
B.
nonlinear
C.
neither linear nor nonlinear
D.
linear

Answers

Answer:

d. linear

Step-by-step explanation:

using the format y=mx+b

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