Who knows how to solve this problem ”Surface Area-Prisms”?

Who Knows How To Solve This Problem Surface Area-Prisms?

Answers

Answer 1

Answer: You lay out the 3 demential shape into a net then find the area of the net. There are 2 surfaces that are 81 square feet. and 4 surfaces that are 18 feet. 81 + 81 + 18 + 18 + 18 + 18 = 234.

The surface area is 234 Square Feet. Hope this helps and brainliest is always appreciated. :)


Answer 2

Answer: 234

Step-by-step explanation:

Surface area of a rectangular prism: 2lengthheight + 2lengthwidth + 2heightwidth

Length: 9 | Height: 9 | Width: 2

2(9x9) + 2(9x2) + 2(9x2) = 234


Related Questions

Solve the proportion below. 55/x=5/6 x=? A. 50 B. 60 C. 56 D. 66

Answers

Answer:D)66


Step-by-step explanation:

55 /x = 5/ 6

Step 1: Cross-multiply.

55 /x = 5/ 6

(55)*(6)=5*x

330=5x

Step 2: Flip the equation.

5x=330

Step 3: Divide both sides by 5.

5x /5 = 330 /5

x=66

Answer:

d

Step-by-step explanation:

Does anybody know this?! I really need help...

Answers

Answer:

70

Step-by-step explanation:

Range is the difference between the lowest and the hist number

Range=max-min

120-50=70

since 120 is the highest number and 50 is the lowest you subtract and get 70

Hope this helps!

I got 83.48 so i think it's B 85%



Create an expression without parentheses that is equivalent to 4(6x + x).

Answers

A possible answer can be found using the distributive property:

4(6x + x) becomes 24x + 4x, which can then be simply died to 28x.

Either off these solutions will work, as they are both expressions equal to the original expression.

Hope this helps!

Determine whether the lines are parallel. Use slope to explain your answer. Use the graph shown below.

The slope is of the red line is ___

The slope is of the blue line is ___

The lines do/do not have the same slope so they are/are not parallel.

Answers

Answer:

red  2/3

blue 1/2

The lines do not have the same slope so they are  not parallel

Step-by-step explanation:

We can find the slope of the red line by using the formula

m = (y2-y1)/(x2-x1)

We have the points (0,2) and (3,4)

m= (4-2)/ (3-0)

  = 2/3



We can find the slope of the blue line by using the formula

m = (y2-y1)/(x2-x1)

We have the points (0,-2) and (4,0)

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

  = (0+2)/(4-0)

  = 2/4

 =1/2


The lines  do not have the same slope so they are  not parallel


Use a graphing calculator or online application to find the solution to 3 -x = x 3 + x to the nearest tenth.
The solution is approximately x = a0.

Answers

Answer:

x=1

Step-by-step explanation:

Question says to use a graphing calculator or online application to find the solution to [tex]3-x = x^3 + x[/tex] to the nearest tenth.

So we will create two equations y = 3-x and [tex]y = x^3 + x[/tex] using each sides of the given equation.

Now we graph both equation using some online calculator or graphing calculator. I'm going to use Desmos calculator.

Intersection point of both graphs will give the solution.

From graph we see that intersection point is at (1,2).

We are looking for value of x only.

Hence final answer is x=1

Answer:5

Step-by-step explanation:

Select Independent or Not independent for each description of events.

P(A)=0.3, P(B)=0.5, P(A|B)=0.15

P(A)=0.2, P(B)=0.4, P(A|B)=0.2

P(A)=0.6, P(B)=0.2, P(A|B)=0.3

Answers

Answer:

When two events X and Y are independent,

Then, P(X ∩ Y) = P(X) × P(Y)

We know that,

[tex]P(\frac{X}{Y})=\frac{P(X\cap Y)}{P(Y)}\text{ and }P(\frac{Y}{X})=\frac{P(X\cap Y)}{P(X)}[/tex]

Thus, by substituting the value of P(X ∩ Y),

[tex]P(\frac{X}{Y})=P(X)\text{ and }P(\frac{Y}{X})=P(Y)[/tex]

Which is the required condition for independent events.

In first option,

P(A)=0.3, P(B)=0.5, P(A|B)=0.15

[tex]\implies P(\frac{A}{B})\neq P(A)[/tex]

A and B are not independent events

In second option,

P(A)=0.2, P(B)=0.4, P(A|B)=0.2

[tex]P(\frac{A}{B})=P(A)[/tex]

A and B are independent events.

In third option,

P(A)=0.6, P(B)=0.2, P(A|B)=0.3

[tex]\implies P(\frac{A}{B})\neq P(A)[/tex]

A and B are not independent events

First Part: Not independent

Second Part: Independent

Third Part: Not independent

Two events A and B are independent if:

[tex]P(A|B)=P(A|B') \\Or,P(B|A)=P(B|A')[/tex]

Given,

[tex]P(A)=0.3, P(B)=0.5, P(A|B)=0.15[/tex]

[tex]P(A)=0.2, P(B)=0.4, P(A|B)=0.2[/tex]

[tex]P(A)=0.6, P(B)=0.2, P(A|B)=0.3[/tex]

[tex]P(A\cap B)=P(A|B)P(B)[/tex]

Then by substituting we get,

[tex]P(A|B)=P(A)[/tex] and [tex]P(B|A)=P(B)[/tex]

Computation of First probability:

So, if the probability is independent it will follow the above conditions.

[tex]P(A|B)=0.15\\P(A)=0.3\\0.3\neq 0.15\\ P(A|B)\neq P(A)[/tex]

So, it is not independent

Computation of second probability:

So, if the probability is independent it will follow the above conditions.[tex]P(A|B)=0.2\\P(A)=0.2\\0.2=0.2\\ P(A|B)= P(A)[/tex]

So, it is independent

Computation of second probability:

So, if the probability is independent it will follow the above conditions.

[tex]P(A|B)=0.3\\P(A)=0.6\\0.3\neq 0.6\\ P(A|B)\neq P(A)[/tex]

So, it is not independent.

Learn More: https://brainly.com/question/11348505

Plz answer this question

Answers

Answer:

We will need 5 1/3 lbs  of hamburger

Step-by-step explanation:

We can use ratio's to solve this problem.  We will put breadcrumbs on top and hamburger on bottom.

1/4 c         1 1/3 c

--------- = -----------

1 lb             x lbs

Using cross products

1/4 *x = 1 * 1 1/3

1/4x = 1 1/3

Multiply each side by 4

4 * 1/4 x = 4 * (1 1/3)

x = 4 * 1 1/3

We need to convert 1 1/3 to an improper fraction

1 1/3 = (3*1+1)/3 = 4/3

x = 4 * 4/3

x = 16/3

Now we need to convert it back to a mixed number

3 goes into 16 5 times with 1 left over

x = 5 1/3 lbs

Need help with this asap!!!

Answers

Answer:

C x-3

Step-by-step explanation:

3 less than x - 49

Is means =

less than means -  (reversing the order)

x-3 = 49

Answer: C) x - 3 = 49


Step-by-step explanation: X represents the number that we are subtracting things from. 3 is how much (the number that we are) subtracting. 49 is the difference/answer. The problem is pretty much asking us to subtract 3 from x and get 49 as the answer. So, if you wrote that mathematically, the answer would be x - 3 = 49.

Hope that helped, fam!

-Une :D


a gray whale traveled 152 kilometers in one day. the whale swam between 7 and 8 kilometers each hour.About how many hours did it take the whale to swim the distance? Show two different ways that you can use compatible numbers to find an answer.Then solve.

Answers

Answer:

152/7=21.714 hrs

152/8=19

It took the whale between 19 and 21.7 hours to swim 152 kilometers

Step-by-step explanation:


Sam initially invested $4,500 into a savings account that offers an interest rate of 3% each year. He wants to determine the number of years, t, for which the account will have less than or equal to $7,020. Create the inequality that represents this situation and plot the solution set to the inequality on the number line.

Answers

[tex]\bf ~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\dotfill&7020\\ P=\textit{original amount deposited}\dotfill & \$4500\\ r=rate\to 3\%\to \frac{3}{100}\dotfill &0.03\\ t=years\dotfill \end{cases}[/tex]


[tex]\bf 7020\geqslant 4500(1+0.03t)\implies \cfrac{7020}{4500}\geqslant 1+0.03t\implies \cfrac{39}{25}\geqslant 1+0.03t \\\\\\ \cfrac{39}{25}-1\geqslant 0.03t\implies \cfrac{14}{25}\geqslant 0.03t\implies \cfrac{~~\frac{14}{25}~~}{0.03}\geqslant t\implies \cfrac{56}{3}\geqslant t \\\\\\ 18\frac{2}{3}\geqslant t\impliedby \textit{18 years and 8 months}~\hfill \boxed{0 \leqslant t \leqslant 18\frac{2}{3}} \\\\\\ ~\hspace{34em}[/tex]


check the picture below.


bearing in mind that "t" cannot be less than 0.

Sue has 7/8 of her book left to read. If she reads another 2/7 of the book how much of the book will she have left?
A 33/56
B 1/5
C 5/8
D 23/40

Answers

Answer:

A. 33/56

Step-by-step explanation:

Make them have the same denominator of 56

so you get for the first one 49/56

the second one will be 16/56

subtract both and you get your answer of 33/56

Answer: A. 33/56

Step-by-step explanation:

To get the number of pages left, all we need to do is to subtract 2/7 from 7/8

number of pages left = 7/8 - 2/7

=49 - 16 / 56

= 33/56

What is the better buy? 1.50 for 5 oz 1.20 for 3 oz

Answers

Final answer:

To find the better buy, calculate the unit price of each item by dividing the cost by the weight, and compare them. The first item at $1.50 for 5 oz has a lower unit price ($0.30 per oz) than the second item at $1.20 for 3 oz ($0.40 per oz), so it is the better buy.

Explanation:

To determine which is the better buy between two products, you need to calculate the unit price for each and then compare them.

The unit price is the cost per unit of weight or volume.

Calculate the unit price of the second item: $1.20 for 3 oz means the cost per ounce is $1.20 ÷ 3 oz = $0.40 per oz.Compare the unit prices: The first item has a lower unit price ($0.30 per oz) compared to the second item ($0.40 per oz), making it the better buy.

Final answer:

To find the better buy between $1.50 for 5 oz and $1.20 for 3 oz, calculate the cost per ounce for each and compare. The first option is cheaper at $0.30 per ounce compared to the second option at $0.40 per ounce.

Explanation:

To determine which is the better buy between $1.50 for 5 oz and $1.20 for 3 oz, we need to calculate the cost per ounce for each option.

Step-by-step Comparison

Calculate the cost per ounce for the first option: Divide $1.50 by 5 oz to get $0.30 per ounce. Calculate the cost per ounce for the second option: Divide $1.20 by 3 oz to get $0.40 per ounce. Compare the two cost per ounce figures: The first option at $0.30 per ounce is cheaper than the second option at $0.40 per ounce.

Therefore, the better buy is the first option, $1.50 for 5 oz, since it has a lower cost per ounce.

Jamal is shopping with a gift card he received for his birthday. After he purchases two T- shirts the gift card balance has dropped from $50 top $20.02. What is the unit rate of the cost per T- shirt?

Answers

Answer:

14.99

Step-by-step explanation:

20.02=50-2t

20.02-50= -2t

-29.98= -2t


work out the value of (10^4)^2

plsssssss this is urgentttttt

Answers

[tex](10^4)^2[/tex]


When you multiply an exponent directly into another exponent, you multiply the exponents.

For example:

[tex](x^{2})^3=x^{2(3)}=x^6[/tex]

[tex](x^5)^3=x^{5(3)}=x^{15}[/tex]


So:

[tex](10^4)^2=10^{4(2)}=10^8=100,000,000[/tex]

Answer:

it is 200000

Step-by-step explanation: ok you want me to show you! huh! :)

so you do 10 times the 4 which is 100000

next you times it by 2 which is equal to 200000

so your answer is 200000

Find the distance between the two points shown in the coordinate plane below to the nearest hundredth.

(-2, -2)
(3, 4)

Answers

Answer:

7.81

Step-by-step explanation:

Given points (-2,-2)  and (3, 4)

To find distance between points we apply distance formula

[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

(x1,y1) is (-2,-2)  and (x2,y2) is (3,4)

Plug in the values in the formula

[tex]D = \sqrt{(3-(-2))^2+(4-(-2))^2}[/tex]

[tex]D = \sqrt{(5)^2+(6)^2}[/tex]

[tex]D = \sqrt{25+36}[/tex]

[tex]D = \sqrt{61}[/tex]

D= 7.810249676

Round to nearest hundredth

So distance = 7.81


Evaluation the expression when x=-1 and y=3.

5x^-6y^-2
—————
Y

Answers

Put the vales of x and y to the expression:

[tex]x=-1;\ y=3\\\\\dfrac{5x^{-6}y^{-2}}{y}=\dfrac{5(-1)^{-6}(3)^{-2}}{3}=\dfrac{5(-1)^6\left(\dfrac{1}{3}\right)^2}{3}=\dfrac{5(1)\left(\dfrac{1}{9}\right)}{3}=\dfrac{\dfrac{5}{9}}{3}\\\\=\dfrac{5}{9}\cdot\dfrac{1}{3}=\boxed{\dfrac{5}{27}}[/tex]

The cost of an online movie rental service is $89.94 for 6 month. What is the cost per month? Please show work

Answers

Answer is $14.99. You would do 89.94 divided by 6 which equals 14.99

please answer this, Thnks, also, whoever does, is amazing and i love you for it. LOL IM CrAzY

Answers

Answer:

35[tex]\pi[/tex]


Answer:

C = 35 * pi

Step-by-step explanation:

The circumference is pi * d

The new diameter is 5 cm longer than the given one.

d = 30 + 5

d = 35

C = 35 * pi

*20 points*

Four times a number is
six less than twice the number what is the number?

Answers

Answer:

your number is n= -3

Step-by-step explanation:


Answer:

n=-3

Step-by-step explanation:

4n-2n=-6

2n=-6

2 x n / 2 = 6 / 2 then simplify to get the answer! Hope this is Helpful! ;3


if two angles of a triangle each measure 45 degrees what is the third angle

Answers

Since we know that there are exactly 180 degrees in any triangle, and if each angle is equal to 45 degrees, we must add 45 to 45 and then subtract the result from 180 to find the 3rd angle. Since 45+45=90,we subtract 180-90 and get 90 degrees or a right angle.


The measure of the third angle is 90° a right angle isosceles triangle.

What is a triangle?

A triangle is a three-sided closed-plane figure formed by joining three noncolinear points. Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.

We know the sum of all the interior angles in a triangle is 180°.'

Given, a triangle with a measure of its two angles is 45° and 45°.

∴ The measure of the third angle is 180° - (45 + 45)°.

= 180° - 90°.

= 90°.

It is an isosceles right-angle triangle.

learn more about triangles here :

https://brainly.com/question/16886469

#SPJ2

Roger is having a picnic for 72 guests. He plans to serve each guest at least one hot dog. If each package, p, contains eight hot dogs, which inequality gives the minimum number of packages he will need to buy? A) p ≥ 9 B) p ≥ 6
C) p ≤ 6 D) p ≤ 9

Answers

Answer:

The answer is A.

Step-by-step explanation:

To solve this problem, use the inverse operation of multiplication, which is division. 72 ÷ 8 = 9. Since the problem stated "which inequality gives the minimum number of packages he will need to buy?" 9 is the minimum number. Therefore, A is the answer.

Show Work:

8p ≥ 72

÷8    ÷8

 p ≥ 9

Answer:

A     p≥9

Step-by-step explanation:

PLLLZ HELP I'LL GIVE BRAINLISET

Answers

Answer:


Step-by-step explanation:

Sandy only because the 2 prisms overlap

The ratio of boys to girls in Anaya’s class is 10 to 15. There are 20 boys how many girls are there

Answers

Answer:

30 girls

Step-by-step explanation:

10 x 2= 20

15x2=30

For every 10 boys there are 15 girls. since 20 is just 10 multiplied by 2 you can multiply 15 by 2

i'm not really sure whats the answer is

Answers

2 lawns per hour, 16/8=2

Naomi and Sofia go to the movie theater and purchase refreshments for their friends. Naomi spends a total of $111.25 on 9 drinks and 8 bags of popcorn. Sofia spends a total of $33.25 on 3 drinks and 2 bags of popcorn. Write a system of equations that can be used to find the price of one drink and the price of one bag of popcorn. Using these equations, determine and state the price of a bag of popcorn, to the nearest cent.

Answers

Answer: popcorn = $5.75 per bag

Step-by-step explanation:  

Set up the equation for each person.

Let x represent the cost of one drink and y represent the cost of one bag of popcorn.

           drinks    popcorn       Cost                     EQUATION

Naomi:      9            8            $111.25                9x + 8y = 111.25

Sofia:         3            2           $33.25                 3x + 2y = 33.25


Next, solve the system:

9x + 8y = 111.25   →    1(9x + 8y = 111.25)   →    9x + 8y = 111.25

3x + 2y = 33.25   →  -3(3x + 2y = 33.25)   → -9x  - 6y = -99.75

                                                                                2y =  11.50

                                                                                  y =  5.75

Answer:

System of equations :

$111.25=$9x+$8y

$33.25=$3x+$2y

The cost of 1 drink = $x = $7.25

The cost of 1 popcorn bag = $y = $5.75

Step-by-step explanation:

Given :  

Naomi spends a total of $111.25 on 9 drinks and 8 bags of popcorn.

Sofia spends a total of $33.25 on 3 drinks and 2 bags of popcorn.

To Find : A system of equations that can be used to find the price of one drink and the price of one bag of popcorn.

Solution :

Let cost of 1 drink = $x

⇒ cost of 9 drinks = $9x

⇒ cost of 3 drinks = $3x

Let cost of 1 popcorn bag = $y

⇒Cost of 8 popcorn bags = $8y

⇒Cost of 2 popcorn bags = $2y

Since Naomi spends a total of $111.25 on 9 drinks and 8 bags of popcorn.

So, equation will be : $111.25=$9x+$8y  --(A)

Since, Sofia spends a total of $33.25 on 3 drinks and 2 bags of popcorn.

So, equation will be :  $33.25=$3x+$2y--(B)

SOLVING A and B by using substitution method

finding value of x from equation B :


[tex]x=\frac{33.25-2y}{3}[/tex]


Putting this value in Equation (A)


⇒[tex]111.25=9(\frac{33.25-2y}{3})+8y[/tex]


⇒[tex]111.25=99.75-6y+8y[/tex]


⇒[tex]111.25=99.75+2y[/tex]


⇒[tex]y = 5.75[/tex]


Thus, cost of 1 popcorn bag =y = $5.75

Now put this value of y in equation A to get value of x

⇒$111.25=$9x+$8(5.75)

⇒$111.25-$46 = 9x

⇒$65.25 = 9x

⇒65.25/9 = x

⇒$7.25 = x

Thus, The cost of 1 drink = $x = $7.25




Pizza is cut into six equal pieces each slice is then cut in half to create two smaller equal pieces. what fraction of the total pizza does one of the small pieces represent??

Answers

Answer:

1/12

Step-by-step explanation:

6 x 2 = 12

6 = the original amount of slices

2 = it was cut in half so multiply by 2

each slice now represents 1/12

Answer:

Each slice represents 1/12th of the total pizza.

Step-by-step explanation:

1 = 1/6 = 1/12


draw a bar model that shows how the number of hours in March compared with the number of hours in February of this year

Answers

Answer: Your answer will be 1,416


Step-by-step explanation: First you see how many day March and February had March had 31 days and 31 days= 744 hours and February has 28 days and 28 days= 672 hours so know I add the two numbers 744 + 672 = 1,416.


Answer:

You should multiply with the days in March which is 744 hours. And then you have to multiply with the days in February witch is 696 and then you have to subtract them.

Step-by-step explanation:

have a nice day.

Population density is the number of people per unit of area. What is the population density of a state that has 1,627,260 people in 1,490 square miles? Round to the nearest whole number

Answers

Answer:

             = 1092 people/ sq mile  

Step-by-step explanation:

Population density is the number of people per unit of area.


We know the population is 1627260

The are is 1490 mi ^2

Population density = 1627260/1490

                                 =1092.120805  people / sq mile

Round to the nearest whole number

                                  = 1092 people/ sq mile  

I need help with numbers 7-9 please

Answers

Answer:

C

5(10)+10=60

-2(-5)+7=17

Step-by-step explanation:


what is the 52nd term for the following sequence ? 14,6,-2,-10,-18

Answers

Answer:

[tex]a_{52}[/tex] = - 394

Step-by-step explanation:

these are the terms of an arithmetic sequence with nth term

[tex]a_{n}[/tex] = [tex]a_{1}[/tex] + (n - 1)d

where d is the common difference and [tex]a_{1}[/tex] the first term

d = - 18 - (- 10) = - 10 - (- 2) = - 2 - 6 = - 8 and [tex]a_{1}[/tex] = 14, hence

[tex]a_{52}[/tex] = 14 + (51 × - 8) = 14 - 408 = - 394


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