A cube has a side length of 3.5 cm. What is the surface area of the cube?

Answers

Answer 1

Answer:

73.5

Step-by-step explanation:

3.5 times 3.5 = 12.25

Multiply 12.25 by 6 since there are 6 faces with the same surface area to get 73.5 as your answer.


Related Questions

2 ( x - 3 ) = 2x + 5 find the value of x

Answers

Answer: THERE IS NO VALUES OF X THAT MAKE THE EQUATION TRUE.

Step-by-step explanation:

NO SOLUTION

Answer:

2x-6=2x+5

2x-2x=5+6

=11

How does Hectors rate compare to the fitness challenge rate?

Answers

Answer:

> and greater than

Step-by-step explanation:

I just did the Iready

Answer:

> and greater

Step-by-step explanation:

Find the value of x.

Please help and can somebody tell me how to find x?

Answers

Answer:

x = 75°

Step-by-step explanation:

Sum of the interior angles of a triangle = 180°

Therefore,

78° + 27° + x° = 180°

Add like terms

105 + x = 180

105 + x - 105 = 180 - 105 (substraction property of equality)

x = 75°

5 times 4 times 2 times 2 divided by 2 minus 4​

Answers

Answer:

36

Step-by-step explanation:

5 x 4 = 20

20 x 2 = 40

40 x 2 = 80

80 ÷ 2 = 40

40 - 4 = 36

what is the slope of the line passing through the points (4,7) and (-2,10)?

Answers

Answer:

-1/2

Step-by-step explanation:

Answer:

the answer is the slope is -1/2

Which of the following best classifies a quadrilateral with coordinates A(7,0), B(3, 1), C(4,7), and D(8, 6)?
A.Rectangle
B.Parallelogram
C.Trapezoid
D.Square

Answers

Answer:

B. Parallelogram

Step-by-step explanation:

The opposite sides of the quadrilateral are equal and so the quadrilateral is a rectangle, the correct option is A.

What is a Quadrilateral?

A quadrilateral is a polygon with four sides.

The coordinates of a quadrilateral are:

A(7,0), B(3, 1), C(4,7), and D(8, 6)

The distance between the coordinates has to be determined to identify the type of quadrilateral

The distance formula is

[tex]\rm D = \sqrt { ( x- x_1)^2 + (y-y_1)^2}[/tex]

[tex]\rm AB = \sqrt { (3-7)^2 + (1-0)^2}\\AB = \sqrt { 17}[/tex]

[tex]\rm BC = \sqrt { ( 1)^2 + (6)^2}\\BC = \sqrt {37}[/tex]

Similarly,

[tex]\rm CD= \sqrt { 17}\\\\AD = \sqrt{37}[/tex]

The opposite sides of the quadrilateral are equal and so it is a rectangle.

To know more about Quadrilateral

https://brainly.com/question/13805601

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hi I hope you are all okay could someone help me with this math question thankyou !!!

y

1

x
If
y
=
7
when
x
=
64
find,
x
when
y
=
8

Answers

Answer:

x = 49

Step-by-step explanation:

Given the mathematical expression and data;

y = 1/√x

y = 7 and x = 64

First of all, we would find the constant of proportionality, k;

y = k/√x

7 = k/√64

7 = k/8

k = 7 * 8

k = 56

Next, to find the value of x, when y = 8

y = k/√x

Substituting the values, we have;

8 = 56/√x

Cross-multiplying, we have;

8 * √x = 56

√x = 56/8

√x = 7

Taking the square of both sides, we have;

(√x)² = 7²

x = 49

(2a^3 b^4) ^4=
What is the answer to this problem ?

Answers

Answer: 16a^12 b^16

Step-by-step explanation:

Everything in the parenthesis to the 4th power.

2a^4= 16a

3*4=12

b^4*4=b^16

If you were to randomly pick a ball from the pile below what is probably that the ball picked is a yellow ball

Answers

Answer:

1/4

Step-by-step explanation:

The perimeter of a rectangle is
30m. The length of the rectangle is
3 m more than twice the width. Find
the dimensions of the rectangle
a. 3m x 12m
b 4m x 11m
c 8m x 7m
d 6m x 9m

Answers

[tex]verified \: answer \sqrt} [/tex]

Equation for Perimeter of a rectangle: Perimeter = 2W + 2L

Defining the variables, let

Width = xLength = 2x+3 (3 more than twice the width)

Plugging everything into the equation

30= 2(x) + 2(2x+3) using the distributive property,

30=2x+4x+6 combining like terms

30=6x+6 subtracting 6 from both sides,

24=6x divide both sides by 6

4=x This means that the width is 4 m.

To get the length, use the expression L=2x+3 and plug in x = 4 that was already solved for

L=2(4)+3

L=8+3 = 11 m

So the dimensions of the rectangle are width is 4 m and length is 11 m.

I will mark you branlist!!

Answers

Answer:

25

Step-by-step explanation:

1/5 x 125 = 25

Answer:

25 :)

Step-by-step explanation:

Determine the mean of given data
-7, 6, -6,5, -5, -11

Answers

Answer:

-3

Step-by-step explanation:

-7+6-6+5-5-11/6 = -3

A total of 12 runners complete in a race. The first three runners to cross the finish line will win medals. and how many different arrangements can the three medals be awarded?
A. 1,320
B. 79,833,600
C. 1,728
D. 220​

Answers

Don’t click linkkkkkkkkkk

The students at a High School earned money for an international animal rescue foundation. 82 seniors earned an average $26.75 per student, 74 juniors earned an average $12.25 per student, 96 sophomores earned an average $15.50 per student, and 99 freshmen earned an average $10.85 per student. What was the average collection for a student in this school?
A. $16.63
B. $16.13
C. $5.37
D. $16.34

Answers

Answer:

B. $16.13

Step-by-step explanation:

The Total Students= 82+74+96+99=351

Sum of earnings of 82 seniors = $26.75 x 82 = $ 2193.5

Sum of earnings of 74 juniors = $ 12.25 x 74 = $ 906.5

Sum of earnings of 96 sophomores = $15.50 x 96 = $ 1488

Sum of earnings of 99 freshmen= $ 10.85 x 99 = $ 1074.15

Total earnings = $2193.5 + $ 906.5 + $1488 + $ 1074.15 = $ 5662.15

( Total Earnings) ÷ (Total Students)

= $5662.15 ÷ 351

= $16.13

It’s b lovely glad to help

8.6 mi
18 mi
A) 53.2 mi?
C) 106.4 mi?
E) 212.8 mi?
B) 221 mi?
D) 110.5 mi?

Answers

Answer:

C

Step-by-step explanation:

x/3 = -2 what does x equal

Answers

Answer:

x = -6

Step-by-step explanation:

What is the Total number of Outcomes for a family of 3 with having boys and girls?

Answers

There are 8 possible outcomes, all equally likely (if we assume each gender is equally likely). Hence the choice is 3/8. We can also think about it in at least one more way: You identified all the possible ways to get 2 boys and one girl.

Find the surface area of
the net below

a. 25 square inches
b. 100 square inches
c. 75 square inches
d. 150 square inches

Answers

C because count all the 5 inches

The Boston Red Sox had 949 runs in their 2004 season. In their 2015 season, they had 748 runs. Find the rate of change in runs.​

Answers

Answer: -18.27 per year

Step-by-step explanation:

The difference in years is:

= 2015 - 2004

= 11 years

In those 11 years, the runs decreased from 949 to 748.

The total decrease is:

= 949 - 748

= 201 runs

The rate of change is:

= 201 / 11

= 18.27 per year

Since it is reducing, the rate is:

= -18.27 per year


There were approximately 3.3 x 108 people in the United States of America in 2018. The average person consumed about 3.4 x 10 milligrams of sodium cach day. Approximately
how much sodium was consumed in the USA in one day in 2018? Write answer in scientific notation.

Answers

Answer:(3.3 x 10^8) x (3.4 x 10^2) = 1.22 x 10^11

Step-by-step explanation:

round 23.0975 to the nearest tenth

Answers

Answer:

23.1

Step-by-step explanation:

Answer:

23.0980. lol tell me.if it's wrong

pls answer ill give brainliest!

Answers

I believe the first one is false and the second is true .

Step-by-step explanation:

i bileve false numver 1 false

hurry please i will give yo a thanks and a full star rating if you get it right please thanks

Answers

Answer:

12+21x

Step-by-step explanation:

Please help me Please help me Please help me Please help me Please help me Please help me Please help me Please help me

Answers

Answer:

is a d :) for a 20y

Step-by-step explanation:

Factorize the following:
49x² - 25​

Answers

Answer:

(7x+5)(7x-5)

Step-by-step explanation:

We can use the difference of squares equation which states that when a number is multiplied like: (ax+b)(ax-b) then it equals (ax-b). In this equation, since there is no "b" in the typical ax^2+bx+c, we can recognize that the answer is not a square, but a difference of squares.

PLS HELP ME!! :((

Find the volume, given that the apothem is 11.3 in. (hint: remember for regular polygons, A = 2 (apothem) (Perimeter) Round your answer to the nearest - tenth.

Answers

Answer:

V = 3085 in³

Step-by-step explanation:

The volume is given by:

[tex] V = A*h [/tex]

Where:

A: is the area

h: is the height = 7 in

The area of the polygon can be found by using the given equation:

[tex] A = \frac{1}{2}a*p [/tex]

Where:  

a: is the apothem = 11.3 in

p: is the perimeter

The perimeter is:

[tex] p = 13*6 = 78 in [/tex]      

Hence, the volume is:

[tex] V = A*h = \frac{1}{2}a*p*h = \frac{1}{2}11.3 in*78 in*7 in = 3085 in^{3} [/tex]  

     

I hope it helps you!                      

Sydney brings $200 to the mall. She buys a $ 70 watch and some shirts for $40 each.

Which inequality represents the situation?

Also determine how much money Sydney has left after she buys 2 shirts?

Question 2 options:

40x+70≤200, 50


40x+70<200, 120


110x>200, 128


40x+70≥200, 130

Answers

Answer:

A

Step-by-step explanation:

In this arithmetic sequence 3, 8, 13, 18, ... which term has the the value 123?

25
24
617
613

Answers

Answer:

term 25

Step-by-step explanation:

a is the number added from 3 to 8 is 5(must be constant like 8 to 13 is also 5

b is the zero term so 3-a which is 3-5=-2

The distance an object falls when dropped from a tower varies directly as the square of the time it falls. If the object falls 144 feet in 3 seconds, how far will it fall in 17 seconds? a 4046 ft b 272 ft c 4624 ft d 5202 ft answer is C​

Answers

Answer:

the object will fall 792 feet in 17 seconds

Step-by-step explanation:

first you can do 144 multiplied by 5 because that would be 15 of those seconds next you would do 144 divided by 2 because you only need 2 seconds to reach 17 your answer would be 72 then you would do 720+72=792 so it would fall 792ft in 17 seconds

Step-by-step explanation:

Assuming the Height is denoted by "h" and the time by "t" , h=kt² since h varies as t².

When h=144ft , t=3

k=h/t²

k=144/3²

k= 16

This implies that h=16t² is the relation to be used.

Therefore when t= 17s, h=16*17²

h=4624ft

Round the fraction to 0, 1/2, or 1.



4/7

Answers

Answer:

It is closer to 1/2 than anything

Step-by-step explanation:

so 1/2

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