The surface area of a cube is 328.56 square inches. How long are it’s sides?

Answers

Answer 1

Answer:

7.4 in

Step-by-step explanation:

Surface area of a cube = 6s²

(where s is the side length)

Given:

SA = 328.56 in²

Substituting the given value into the formula and solving for s:

⇒ 328.56 = 6s²

⇒ 328.56 ÷ 6 = 6s² ÷ 6

⇒ 54.76 = s²

⇒ s = √54.76

⇒ s = 7.4 in

Answer 2

TSA of a cube=328.56

Side be x

6x²=328.56x²=54.76x=√54.76x=7.4in

Related Questions

find the sum of the arithmetic series shown below 10+9+8… +(-255)

Answers

Answer:

−228

Step-by-step explanation:

10+9+8+−255

Add 10 and 9 to get 19.

19+8−255

Add 19 and 8 to get 27.

27−255

Subtract 255 from 27 to get −228.

−228

1/3 + 1/4 + ? = 1

? = the answer

Answers

Answer:

5/12 (corrected)

Convert with lowest common denominator, 12(find by multiplying)

1/3 = 4/12

1/4 = 3/12

Add the fraction's numerators

4 + 3 = 7

Subtract by 1 whole

7/12 - 12/12 = 5/12

Thus, your answer is 5/12

Answer:

5/12

Step-by-step explanation:

to give the fractions the same denominator, find their gcm

3 * 4 = 12

therefore multiply 1/3 by 4/4 to get 4/12

multiply 1/4 by 3/3 to get 3/12

3/12 + 4/12 = 7/12

to find the remainder subtract

12/12 - 7/12 = 5/12

your answer is 5/12

hope this helps:)

if v1 = (3,7) and v2 = (2,4), then v1 v2 is equal to which of the following

Answers

Answer:

If it is dot product, then 32.

Step-by-step explanation:

3*2+7*4

6+28

32

Which statement is true about the circumference of a circle?
A: The circumference is the measurement around the circle.
B: The circumference is the measurement of the radius.
C: The circumference is the measurement of the diameter.
D: The circumference is double the radius.

Answers

Answer:

[tex]\large\boxed{\textsf{A: The circumference is the measurement around the circle.}}[/tex]

Step-by-step explanation:

[tex]\textsf{We are asked what's true about the Circumference.}[/tex]

[tex]\large\underline{\textsf{What is the Circumference?}}[/tex]

[tex]\textsf{The Circumference is the sum of all the arcs of a circle.}[/tex]

[tex]\textsf{Arcs are the curved edges of a circle that make up the \underline{Perimeter}.}[/tex]

[tex]\textsf{Because the Circumference makes up all of the Arcs in a circle, which is the perimeter;}[/tex]

[tex]\textsf{Option A is the most reasonable choice, as the circumference is the perimeter of}[/tex]

[tex]\textsf{a circle.}[/tex]

F is directly proportional to A. If F=36 when A=9 find, F when A=4

Answers

Answer:

16

Step-by-step explanation:

f=ka

36=9k

k=4

f=4×4

f=16

Part of the population of 7,500 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 3 of them are infected. How many elk are likely to be infected?

Answers

When the sample is given, the number of elk are likely to be infected is to be considered as the 450.

Calculation of the number of elk:

Since the population is 7,500.

The random sample is 50.

So here be like

[tex]7500[/tex] ÷ [tex]50[/tex] × [tex]3[/tex]

= 450

hence, When the sample is given, the number of elk are likely to be infected is to be considered as the 450.

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Please help i will give brainliest

Answers

Answer:

See below

Step-by-step explanation:

The flat line portions of the graph are where Tim is not moving....the first flat area is where he had the puncture to fix....the second is tea-time

A/    16:00 - 16:20     20 minutes

B/    2000 meters in 10 minutes would be 12 000 m /hr = 12 km/hr

C/    No, he was slower   ....on the way there it took him 20 minutes total cycling time

       15:30 to 15:40    plus   15:50 to 16:00        

Can't figure out the other ones. There are two inages for this. Use the square to answer the following questions. DC=8.5 and DW=6

Answers

Answer:

  6; 12; 8.5; 90°; 90°; 45°; 45°

Step-by-step explanation:

A square has all sides the same length, and diagonals the same length. The diagonals bisect the right angles in the corners, and they cross at right angles.

__

As you have already observed, ...

  BW = DW = 6

 AC = BD = 2(DW) = 2(6) = 12

Further, ...

  DA = DC = 8.5 . . . . sides of a square are the same length

  ∠DWA = 90° . . . . . diagonals cross at right angles

 ∠ABC = 90° . . . . . corner angles are right angles

  ∠ABD = 45° . . . . . the diagonal cuts the corner angle in half

  ∠DCA = 45° . . . . . all of the acute angles are congruent

_____

Additional comment

A square is a rhombus that is also a rectangle. The relevant characteristics are ...

all sides of a rhombus are congruentthe diagonals of a rhombus cross at right angles. Each bisects the vertex angles at either end, which are congruent.the corner (vertex) angles of a rectangle are right angles

The table shows the ratio of people who ate a certain type of lunch to the total number of people who ate lunch. A total of 840 people ate lunch. What statement is true?

Answers

The sum of the individual lunch ate by people is equal to the total number of people who ate lunch.

What is an equation?

An equationi is an expression that shows the relationship between two or more variables and number.

Given that the total number of people who ate lunch is 840, hence:

The sum of the individual lunch ate by people is equal to the total number of people who ate lunch.

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Simplify: 39x+21x-4. Round to the nearest ten

Answers

Answer:

60x-4

Step-by-step explanation:

39x+21x=60x

Therefore, you are left with 60x-4, which is in its simplest form.

The sum of the digits of a two - digit number is 15. if the the digits were reversed , the number increases by 9 . Find the number .

Stay away if u don't know the ans.
Well explained ans needed :) ​

Answers

Answer:

78

Step-by-step explanation:

Let the two-digit number have the digits a and b.

It mentions that they add up to 15.

Then the possible numbers are :

69 (6 + 9 = 15)78 (7 + 8 = 15)

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

Let's reverse the numbers :

69

69 ⇔ 9696 - 69 = 27Not the right number ×

78

78 ⇔ 8787 - 78 = 9This is correct √

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

Solution :

Hence, the number needed is 78

Step-by-step explanation:

no. 10y+x

no. formed by reversing the digits = 10x+ y

ATQ

EQ(1)= x+y=15

EQ (2)=10x+y+9=10y +x ( Digits are reversed)

9x-9y=-9

x-y=-1

x+y=15 ( given)

2x=14,x=7

and y=15–7=8

thus the number=78

Find the slope of the tangent line to the curve y = 3x2
- 2x at the point (1,2)

Studying for final pls help

Answers

Answer:

slope is 4

Step-by-step explanation:

since your trying to find the slope of the tangent line, you have to find the first derivative, once you do plug in your x to give your slope at the designated spot,

Determine the sum of the terms in the series 25 + 30 + 35 + ⋯ + 245. Show your work.

Answers

Answer:

6075

Step-by-step explanation:

Given series is: 25 + 30 + 35 + ⋯ + 245.

Here, first term (a) = 25Common difference (d) = 5Last term [tex](a_n) = 245[/tex]

First we find the number of terms that this series has by the following formula:

[tex]a_n = a+(n-1)d[/tex]

Plugging the values of a, d and [tex]a_n[/tex], we find.

[tex]245 = 25+(n-1)5[/tex]

[tex]\implies 245 - 25=(n-1)5[/tex]

[tex]\implies 220=(n-1)5[/tex]

[tex]\implies \frac{220}{5}=n-1[/tex]

[tex]\implies 44=n-1[/tex]

[tex]\implies 44+1=n[/tex]

[tex]\implies\red{\bold{ n=45}}[/tex]

Thus, the given series contains 45 terms.

Next, we find the sum of the given series using the formula given below.

[tex]S_n = \frac{n}{2}(a+a_n)[/tex]

[tex]\implies S_{45}= \frac{45}{2}(25+245)[/tex]

[tex]\implies S_{45}= \frac{45}{2}(270)[/tex]

[tex]\implies S_{45}=45*135[/tex]

[tex]\implies\orange{\boxed{\boxed{\boxed{\bold{ S_{45}=6075}}}}}[/tex]

Probability & Sampling:Question 8
Mr. Evans wanted to compare the math grades of his 6th
grade students and 7th grade students. He displayed the
data on dot plots.

Answers

The conclusion that Mr. Evans can make is that On average, students in 6th Grade have lower grades than students in 7th Grade.

What is a dot plot?

This is also known to be a dot chart. It is said to be a statistical chart that is made up of data points which are known to be plotted on a little and simple scale.

Note that based on the dotted plot of the  student's grade, the conclusion that can be drawn or the one that Mr. Evans can make is that On average, students in 6th Grade have lower grades than students in 7th Grade.

See full question below

What conclusion can Mr. Evans make? Hint: Find the mean

answer choices

On average, students in 6th Grade have lower grades than students in 7th Grade.

On average, students in 6th Grade have higher grades than students in 7th Grade.

Students will always have a lower math grade in 6th Grade than 7th Grade.

On average, students in 6th Grade and 7th Grade have about the same grade

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Volleyball players are randomly placed on teams by spinning a spinner with four congruent, colored sections. They are assigned positions on the team by rolling a six-sided die. The team colors are red, black, green, and purple.

What is the conditional probability of rolling a 5 given that the spinner landed on black?

A. 1/6
B. 1/24
C. 2/5
D. 1/4

Answers

C is the answer I’m pretty sure

Dylan has a total of 25 marbles. He gives ! marbles to his sister, Jane. What fraction
of marbles did Jane receive?

Answers

The Dylan sister Jane received 1/5 marbles, which is a part of 25 if the Dylan has a total of 25 marbles.

What is a fraction?

Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.

The total number of marbles Dylan has = 25

The total number of marbles Dylan gave to his sister = 5

If we choose one marble out of 25 = 1/25

If we choose 5 marbles = 5(1/25) = 1/5

Thus, the Dylan sister Jane received 1/5 marbles, which is a part of 25 if the Dylan has a total of 25 marbles.

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split 54 between 4 people

Answers

Answer:

your answer is 13.2

Step-by-step explanation:

A wheel on Aldo's bicycle is 0.3m in diameter. Aldo rides the bicycle in a race, and the wheel turns 45 times during the course of the race. How long is the race?

Use the value 3.14 for pi. Round your answer to the nearest tenth. Do not round any intermediate steps.

Answers

Answer:

42.39m Please round it to nearest tenth.I haven't rounded it

What does X= and what is the angle

A. Corresponding
B.same side interior
C. Alternate interior
D.Alternate exterior

Answers

B is the correct and right answer

Please help fghgbvnghgbvhgghg

Answers

Answer:

x=326

Step-by-step explanation:

0.3x - 34 + 0.2x -39 = 90.

Simplify this equation.

0.5x = 163

x = 326

Nancy has 8 meters of rope. How many pieces of rope of length 1/2 meter can she cut from it

Answers

Answer:

16

Step-by-step explanation:

8 divided by 1/2 is

8 times 2

which is

16

Which function best models the data in the graph? y = 10.1x 101 y = x2 101 y = 101(2x) y = 1.01x2 101

Answers

Based on the calculations, the function which best models the data in the graph is y = 10.1x + 101.

How to determine the function?

Mathematically, the equation of a line in standard form is given by this formula:

y - y₁ = m(x - x₁)

Where:

m is the slope.y is the point on the horizontal axis.x is the point on the vertical axis.

In order to determine the function which best models the data in the graph shown in the image attached below, we would calculate the slope of the data by using this formula:

[tex]Slope = \frac{Change\;in\;y\;axis}{Change\;in\;x\;axis}\\\\Slope = \frac{y_2\;-\;y_1}{x_2\;-\;x_1}\\\\Slope = \frac{202\;-\;101}{10\;-\;0}\\\\Slope = \frac{101}{10}[/tex]

Slope = 10.1.

For the function, we have:

y - y₁ = m(x - x₁)

y = 10.1(x - 0) + 101

y = 10.1x + 101.

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The next part is D then C

Step-by-step explanation:

If dave decides to go scuba diving for the first time. If he descends at -2 1/3 feet every second, at what depth will he be at after 3 1/2 seconds.

Answers

Answer:

-8.66666667 feet because:

Step-by-step explanation:

-2 1/3 x 3 = 7

-2 1/3 ÷ 2 = 1.66666666667

7 + 1.6666666667 = 8.66666667

If y varies directly with x and y = 87 when x = 3, find y when x = 5. Write and solve a direct variation equation to find the answer

Answers

Answer:

145

Step-by-step explanation:

y=kx

87=3k

k= 87/3

k= 29

y=29×5

y= 145

Whats the area of this shape?

Answers

The area of the shape shown in the image which is in the shape of kite figure is 168 squared centimeters.

What is the area of the kite figure?

The area of the kite figure is half of the product of its diagonals. Area of kite figure can be find out using the following formula.

[tex]A=\dfrac{pq}{2}[/tex]

Here, p and q are the diagonals of the kite.

The length of the first diagonal of the kite figure is,

p=6+15

p=21 cm

The length of the second diagonal of the kite figure is,

q=8+8

q=16 cm

Thus, the area of kite figure is:

[tex]A=\dfrac{21\times16}{2}\\A=\dfrac{21\times16}{2}\\A=168\rm\; cm^2[/tex]

Thus, the area of the shape shown in the image which is in the shape of kite figure is 168 squared centimeters.

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There are 20 boys and 18 girls in a class find the percentage of {1} boys {2} girls, in the class

Answers

Answer:

1. 52.63% 2. 47.36%

Step-by-step explanation:

20 + 18 = 38 total people

20 divided by 38 = 0.5263 to 52.63%

18 divided by 38 = 0.4736 to 47.36%

Hope this helps!

So confused! Anyone good at this?

Answers

Answer:

x = 90 degrees.

Step-by-step explanation:

These are all regular octagons and the value of x = 2 * external angle of an octagon.

The sum of external angles of a polygon sum to 360 degrees and in the case of an octagon each external angle = 360/8 = 45 dgrees,

So angle x = 2*45 = 90 degrees.

I need help asap please

Answers

Answer:

52 seconds5833 feet

Step-by-step explanation:

Each plane has a starting altitude and a fixed rate of climb. Its altitude at some time t will be the sum of the starting altitude and t times the rate of climb.

__

plane A

  altitude = starting altitude + t × rate of climb

  a(t) = 4000 +35.25t

plane B

  b(t) = 2427 +65.5t

same altitude

The planes will be at the same altitude at the same time when ...

  a(t) = b(t)

  4000 +35.25t = 2427 +65.5t

  1573 = 30.25t . . . . . . . . . . subtract 2427+35.25t

  52 = t . . . . . . . . . . . . . divide by 30.25

That altitude is ...

  a(52) = 4000 +35.25×52 = 4000 +1833 = 5833

summary

52 seconds will pass before the planes are at the same altitude.

Their altitude then will be 5833 feet.

billy has 2.4m of ribbon for crafts. he wants to share it evenly with 12 friends. how many centimeters of ribbon would 7 friends get

Answers

The 7 friends would get 1.4m of ribbon.

You would have to do 2.4 divided by 12 to get 0.2. Then multiply 0.2 by 7 to get 1.4.

Answer:

140cm

Step-by-step explanation:

We first have to change 2.4 meters into centimeters. And the formula for that is (x)m = (x)cm x 100.

So 2.4 x 100 = (x)m. We can solve this by moving the "." two times to the right and we will get 2.4m = 240cm.

The next step is to divide it by twelve because Billy wants to share it with 12 friends. 240cm/12 = 20cm per person.

Then we have to multiply 20 with 7 to see how many centimeters 7 friends would get.

20*7 = 140. So the answer is 140cm.

For an end of the year party, Ms. Dean purchased 96
stickers, 80 lollipops, and 40 cookies. Each student will
receive an equal number of each. There will be no stickers,
lollipops, or cookies left over. What is the greatest number
of students Ms. Dean can have in her class?

Answers

Answer: 15

Step-by-step explanation:

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