Mathematics High School


2. Find the surface area of the following figure.
8 km
-3+3.5)
8 km
tis)
7 km
8 km
8 km

2. Find The Surface Area Of The Following Figure.8 Km-3+3.5)8 Kmtis)7 Km8 Km8 Km

Answers

Answer 1

Answer:

344

Step-by-step explanation:

First we are going to find the area of the top and bottom

8x8=64. Since the top and bottom are the same, we can do 64x2=128.

Now we are going to find the area of the left and right sides.

8x7=54. Since the right and left are the same, we can do 54x2=108.

Now we are going to find the area of the front side and the back side.

8x7=54. Since the front and back are the same, we can do 54x2=108.

Now we add our answers up. 128+108+108=344

Related Questions

16.9 divided by 4? please show your work, thank you!

Answers

Answer:

4.225

Step-by-step explanation:

16.9/4 = 4.225

........

Answer:

4.225 in decimal number is the answer.

Explanation:

16.9 / 9

= 4.225

It maybe helps you ☺️.

Thank you ☺️☺️

The L.C.M of 6 and 15 is what? first person Brainliest answer​

Answers

Answer:

The LCM of 6 and 15 is 30

Step-by-step explanation:

6 and 15 are both divisible by 30.

Answer:

30

Step-by-step explanation:

multiples 0f 6 are 6, 12, 18, 24, 30, 36, .......

multiples of 15 are 15, 30, 45, 60, .......

the LCM of 6 and 15 = 30

Karana's mom bought her two items using a credit card. The first item cost $254, and the second item costs $388. Later, she returned both items to the store. What was the change in the amount owed to the credit card company from returning both items?

Answers

Answer: the amount owed to the credit card company after returning both items is $642

Step-by-step explanation:

$254+$388= $642

Answer:

-642

Step-by-step explanation:

9.
Which of these is equal to {2 - 31}{21 +4}?

Answers

Answer:

-725

Step-by-step explanation:

The ratio of cats to dogs is 4:5 if there are 20 dogs how many are there

Answers

Answer:

16

Hope it helps!

16 would be the answer
Hope this helps:)
:):)n

A tree that is 9 feet tall casts a shadow that is 27 feet long. How
long will the shadow be of a tree that is 20 feet tall?

Answers

Answer:

60 feet

Step-by-step explanation:

9 / 27 = 20 / x

cross multiply and divide

9x = 540

x = 60

Determine the line symmetry for figure.

Answers

Answer:

where's the problem  

Step-by-step explanation:

Nathan is walking at a speed of 2.5 miles per hour. If he continues to walk at the same speed, how far can Nathan walk in 1.75 hours?

Answers

Answer:

4.375

Step-by-step explanation:

2.5mil = 1hr

xmil = 1.75hr

x = 1.75 * 2.5

x = 4.375

BRAINLIEST

does anyone have any ideas that i could write for my short story please??? i need help :(((

Answers

It depends what kind of short story you are writing

6. What is the measure of each exterior angle
of a regular decagon?
a.45°
B.36°
C. 30°
d. 40°

Answers

Answer:

36° .

⠀

Explanation :

⠀

For a regular polygon of n sides, we have

[tex]\bf \longrightarrow \qquad Each \: exterior \: angle = { \bigg( {\dfrac{360}{n} } \bigg)}^{ \circ} [/tex]

⠀

Here, We are to find the measure of each exterior ange of a regular decagon.

⠀

So, we know a regular decagon has 10 sides, so n = 10 .

⠀

Now, substituting the value :

⠀

[tex]\sf \longrightarrow \qquad Each \: exterior \: angle_{(Decagon)} = { \bigg( {\dfrac{360}{10} } \bigg)}^{ \circ} [/tex]

⠀

[tex]\sf \longrightarrow \qquad Each \: exterior \: angle _{(Decagon)}= { \bigg( {\dfrac{36 \cancel0}{1 \cancel0} } \bigg)}^{ \circ} [/tex]

⠀

[tex]\sf \longrightarrow \qquad Each \: exterior \: angle_{(Decagon)} = { \bigg( {\dfrac{36}{1} } \bigg)}^{ \circ} [/tex]

⠀

[tex] \pmb{\bf \longrightarrow \qquad Each \: exterior \: angle_{(Decagon)} = 36^{ \circ} }[/tex]

⠀

Therefore,

The measure of each exterior angle of a regular decagon is 36° .

Answer:

It is 36 degrees because the out side is equal to 360 degrees

If you divide that by ten you get 36 for each angle

Step-by-step explanation:

Given mn, find the value of x. + >m (8x+5)° (4X-17)°​

Answers

8x + 5 + 4x - 17 = 180

12x - 12 = 180

12x = 192

x = 16

The value of x is 16.

Brandon bought three pounds of bananas for $1.35. How much would ten pounds of bananas cost at the same price per pound?​

Answers

Take 1.35/3 and take that number x10 to get $4.50

K is the midpoint of JL. If JK = 5x and JL = 8x + 10, what is JL?

Answers

Answer: 50

Step-by-step explanation:

what is at the end of a rainbow​

Answers

Answer:

A pot of Gold supposedly with a leprechaun next to it

Step-by-step explanation:

Answer:

You can't reach the end of the rainbow because a rainbow is kind of like an optical illusion. A rainbow is formed because raindrops act like little prisms. So no matter how you move, the rainbow will always be the same distance away from you. That's why you can never reach the end of the rainbow.

Kiki’s mother cooked a dinner that contained a total of 992 calories. She also prepared a dessert that contained a total of 846 calories. The dinner was divided into 4 equal servings. The dessert was divided into 6 equal servings. Kiki had one serving of dinner and one serving of dessert.

Answers

she had 248 calories for dinner and 141 calories of dessert.

How to change a fraction into a percentage

Answers

Answer:

divide the numerator by the denominator

Step-by-step explanation:

2 = 2/3 = 0.666666667

3

Please help me out, I don't get it

Answers

Answer is B
Correct me if I’m wrong.

HELP ME AND I WILL GIVE BRAINLIEST I REALLY NEED HELP
Find the value of x in this case-

Answers

Answer: 22 degrees

Step-by-step explanation:

The ratio of the measure of two supplementary angles is 15:21. What is the measure of the smallest angle?

Answers

Answer:

75

Step-by-step explanation:

The measure of two supplementary angles =  15:21

The angles are  15x , 21x

15x + 21x = 180       {Supplementary}

         36x = 180

             x = 180/36

             x = 5

Smallest angle = 15 * 5 = 75

The area of a rectangular field is 4864 m².
If the width of the field is 64 m, what is its length?

Answers

Answer:

76 m

Step-by-step explanation:

The area of a rectangle = length × width.

If we know that the area is 4864m² and the width is 64m, we can substitute this into the formula:

4864 = length × 64

To find the length, all we have to do is divide the area by 64: length = 4864 ÷ 64 = 76 m

Hope this helps!

Find the circumference of a circle with a radius of 25.83 inches to the nearest tenth of an inch

Answers

Answer:

162.3 in^2

Step-by-step explanation:

C=2πr=2·π·25.83≈162.29468in

I don’t know how to do this because my teacher doesn’t teach us anything.

Answers

Answer: Choice D)

He needs to square each deviation in the numerator.

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

Explanation:

The sample standard deviation involves these steps

Find the sample mean xbar.Subtract the xbar value from each data point. This gets us the list of deviations or how far each person is from the mean.Square each difference in the previous stepAdd up the squares from step 3. This is referred to as the Sum of the Squared Errors (SSE)Divide the SSE over n-1. If Toby was doing a population standard deviation, then he'd divide over n instead of n-1. However in much of statistics, we don't know much about a population and instead rely on sample statistics.The result of step 5 gets the variance. Apply the square root to the variance to get the standard deviation.

The step 3 highlighted in bold is where Toby made an error. He subtracted xbar from each person correctly, but forgot to square those deviations. The squaring is done to ensure we don't have any negative deviations.

This is what his work should look like when calculating the sample standard deviation

[tex]s = \sqrt{\frac{(6-7)^2 + (5-7)^2 + (9-7)^2 + (8-7)^2}{3}}[/tex]

11. The tree diagram below illustrates the possible outcomes of two tosses of a balanced coin.
Heads
Heads
Tails
Heads
Tails
Tails
What is the probability that heads will come up on at least one of the tosses?

Answers

Answer is: 50 percent or 1:2
50 percent Or 1/2 which ever works

At rehearsal for the school play, jack sings three times as many songs as Jennifer, and then dances to 5 more songs, just to show off. He does 44 performances in total. The equation 3x + 5 = 44 describes this situation. What does the variable x represent?

Answers

Step-by-step explanation:

3x+5=44

3x=44-5

3x=39

x=39÷3

x=13

The mode in
11, 6, 7, 7, 4?
3, 4, 4, 4, 6, 7, 6, 9, 2?
3, 6, 7, 9, 4, 4?
4, 9, 16, 11, 8, 1, 4?

Answers

The answer is: 4 because the mode is the number that appears the most.

Answer:4

Step-by-step explanation:

organize:

1

2

3 3

4 4 4 4 4 4 4 4

6 6 6 6

7 7 7 7

8

9 9 9

11 11

16

what appears the most : 4

i think of a number, half it and subtract four

Answers

Answer:

-2

Step-by-step explanation:

I thought of the number 4

Divide 4 by 2

2

2 - 4 = -2

Hope I helped :)

Please consider Brainliest :)

(if you want)

Answer:

12-4=8

Step-by-step explanation:

12-4 = 8

There are 6 blue, 8 green, 5 red, and 10 yellow marbles in a bag. If a
marble is picked from the bag at random, what is the probability that it
will be green or red?

Answers

Answer:

13/29

Step-by-step explanation:

6 + 8 + 5 + 10 = 29

8 + 5 = 13

#4 and #5 find the slope in the graph MULTIPLE CHOICE

Answers

Answer: The first answer would be C. The second answer would be B

Step-by-step explanation:

draw a right triangle between the points (4, 3) & (-4, -1) for the first one as for the second use the points (0, 4) and (-1, -3)

and use the formula

[tex]m = \frac{rise}{run} [/tex]

2x – 2y = 24
4x + 7y = –40

Answers

Answer:

Step-by-step explanation:

The length of a rectangle is four times its width, If the perimeter of the rectangle is 90 m, find its length and width.​

Answers

Answer:

detail answer is given go through it .....

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Thepen has three sides of fencing because the width of the pen sits against the side of a barn.If the farmer has 180 feet of fencing, what dimensions maximize the area of the pen?a. 40 ft by 100 ftb. 45 ft by 45 ftc. 45 ft by 90 ftd. 50 ft by 65ft A scale drawing for a backyard is shown below. In the drawing, 3 cm represents 4 m. Assuming the patio is rectangular, find the area of the real patio. 18 cm 9 cm Patio 3 cm Lawn 3 cm George and Maria decided to create a garden in their backyard. George works on the garden every third day and Maria works on the garden every fourth day.If they worked on the garden today, the number of days until they work on the same day again would be Ahhhhhh PLEASE HELP ME I NEED HELP 4. How does Jonas describe a person with "pale eyes"? the giver What would the answer be ? 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You will keep doing this until they lose or they reach the end(represented by the "W").Sample Output #1:[Maze Game]O.X._.X.X._.X._.X.W._._._.X._.X.X._._._._._._.X.X.Which direction do you want to move? UpYou can't move there - it's out of bounds!Which direction do you want to move? Down_.X._.X.X.O.X._.X.W._._._.X._.X.X._._._._._._.X.X.Which direction do you want to move? Down_.X._.X.X._.X._.X.W.O._._.X._.X.X._._._._._._.X.X.Which direction do you want to move? DownYou hit a wall - Game Over!Sample Output #2:[Maze Game]O.X._.X.X._.X._.X.W._._._.X._.X.X._._._._._._.X.X.Which direction do you want to move? EleventyThat's not a valid direction!Which direction do you want to move? Down_.X._.X.X.O.X._.X.W._._._.X._.X.X._._._._._._.X.X.Which direction do you want to move? Down_.X._.X.X._.X._.X.W.O._._.X._.X.X._._._._._._.X.X.Which direction do you want to move? Right_.X._.X.X._.X._.X.W._.O._.X._.X.X._._._._._._.X.X.Which direction do you want to move? 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