help im in 6th grade

Answer and Step-by-step explanation:

To find the surface area, we have to find the area of all the faces of the shape, then add them together. We also only use the exposed faces, or the faces on the outside, not the inside.

Lets start with the rectangular prismed shape.

We have two faces with sides of 4 and 5, two faces with sides 16 and 4, and 1 side with 16 and 5.

Rectangles:

4 × 5 = 20

4 × 5 = 20

4 × 16 = 64

4 × 16 = 64

5 × 16 = 80

Now, let's do the triangles up top. There will essentially be 4 triangles, because we split them in half to find the area.

They have side lengths of 6 and 8.

Triangles:

6 × 8 = 48

6 × 8 = 48

6 × 8 = 48

6 × 8 = 48

Now, we have to the two rectangles up top.

They have side lengths of 10 and 4.

Top Rectangles:

10 × 4 = 40

10 × 4 = 40

Now, we add them all together.

20 + 20 + 64 + 64 + 80 + 48 + 48 + 48 + 48 + 40 + 40 =

40 + 208 + 192 + 80 =

520.

The Surface Area of the figure is 520 [tex]m^2[/tex]

#teamtrees #PAW (Plant And Water)

Answer:

120

Step-by-step explanation:

Answer:

The probability that a randomly selected resident of the Gold dorm is a senior is 0.1562

Step-by-step explanation:

The given percentage of each class of student is presented as follows;

Priority A (seniors) = 22%, ∴ P(s) = 0.22

Priority B (juniors) = 29%, ∴ P(j) = 0.29

Priority C (freshmen and sophomores) = (100 - 22 - 29)% = 49%, ∴ P(fs) = 0.49

The percentage of the seniors that elect to live at the Gold dorm, = 71%, ∴ P(sG) = 0.71

The percentage of the juniors that live at the Gold dorm = 19%, ∴ P(jG) = 0.19

The percentage of the freshmen and sophomores that live in the Gold dorm = 5%, ∴ P(fsG) = 0.05

The probability that a randomly selected resident of the Gold dorm is a senior = P(s∩sG) = P(s) × P(sG)

∴ P(s∩sG) = 0.22 × 0.71 = 0.1562

Therefore;

The probability that a randomly selected resident of the Gold dorm is a senior = P(s∩sG) = 0.1562.

Answer:

they are in 225kilometers apart.

hope it helps.

Answer:5

Step-by-step explanation:

Answer:

the answer is 5.

Step-by-step explanation:

_/25 = 5.

Answer:

let the numbers be, x and x+1 ( as it is consecutive number the next number will have 1 more than the number )

sum = 41

so, x + ( x + 1 ) = 41

      x + x + 1 = 41

        2x + 1 = 41

             2x = 41 -1 = 40

              2x = 40

                x = 40/2 = 20

x = 20

x + 1 = 20 + 1 = 21

so the consecutive numbers whose sum is 40 are, 20 and 21  

hope this answer helps you.....

please mark as brainliest... thank you!

Answer:

x + 7y

Step-by-step explanation:

[tex]3(x + 2y) - 2x + y \\ = 3x + 6y - 2x + y \\ = 3x - 2x + 6y + y \\ = x + 7y[/tex]

Answer: 16 is your answer hope this helped  

Step-by-step explanation:

pleas make brainly

Answer:

x=[tex]\frac{45.5-8}{2.5\\}[/tex]

Step-by-step explanation:

Each correct answer is 2.5 points

and the bonus was 8 points

and she has a total of 45.5 points

and if "x" was the number of questions she got correct then it's

x=[tex]\frac{45.5-8}{2.5\\}[/tex]

Hope this helps!

(and I wouldn't mind a crown ;-;)

Answer:

each interior angle = 150°

Step-by-step explanation:

(N x 180°) - 360° = the sum of interior angles

where N = the number of sides

(12 x 180°) - 360° = 1800°

Since it is a regular polygon, all 12 angles are equal:

1800°/12 = 150°

Answer:

Answer is C

Step-by-step explanation:

When we do the vertical line test the line intersects (cause its a circle)

This could explain better

Answer:

It is letter C No; the graph fails the vertical line test

Step-by-step explanation:

C is the answer

Answer:

$2.60

Step-by-step explanation:

13.00÷5=2.6

6 is in tens placement

Answer:

1) "Most certainly, do you like your math class?"

2) "Sometimes it is difficult but I just request extra help."

3) "For sure! As long as you keep trying, your efforts will pay off. It was nice talking to you."

Step-by-step explanation:

8y=78/5x=20

x=2/5

5(2/5)+y=16

2+5y=5(16)

2+5y=80

5y=78

y=78/5

Answer:

1. The volume of the cylinder is 263 [tex]cm^{3}[/tex].

2. The volume of the cylinder is 12 [tex]m^{3}[/tex].

3. The volume of the cylinder is 3165.1 [tex]cm^{3}[/tex].

4. The radius of the cylinder is 3.6 cm.

5a. Area of the base is 50.2 [tex]cm^{2}[/tex].

5b. The curved surface area of the pencil holder is 351.7 [tex]cm^{2}[/tex].

5c. The surface are of the pencil holder is 452.2 [tex]cm^{2}[/tex].

Step-by-step explanation:

1. The given shape is a cylinder, so that;

volume of a cylinder = [tex]\pi[/tex][tex]r^{2}[/tex]h

                                  = 3.14 x [tex](3.8)^{2}[/tex] x 5.8

                                  = 262.98128

The volume of the cylinder is 263 [tex]cm^{3}[/tex].

2. This is also a cylinder, but with a given diameter.

radius = [tex]\frac{diameter}{2}[/tex]

          = [tex]\frac{1.2}{2}[/tex] = 0.6 m

volume of a cylinder = [tex]\pi[/tex][tex]r^{2}[/tex]h

                                  = 3.14 x [tex](0.6)^{2}[/tex] x 10.6

                                  = 11.98224

The volume of the cylinder is 12 [tex]m^{3}[/tex].

3. volume of a cylinder = [tex]\pi[/tex][tex]r^{2}[/tex]h

                                      = 3.14 x [tex]6^{2}[/tex] x 28

                                      = 3165.12

The volume of the cylinder is 3165.1 [tex]cm^{3}[/tex].

4. volume of a cylinder = [tex]\pi[/tex][tex]r^{2}[/tex]h

239 = 3.14 x [tex]r^{2}[/tex] x 6

239 = 18.84 [tex]r^{2}[/tex]

[tex]r^{2}[/tex] = [tex]\frac{239}{18.84}[/tex]

   = 12.6858

r = [tex]\sqrt{12.6858}[/tex]

 = 3.5617

The radius of the cylinder is 3.6 cm.

5. Area of the base = [tex]\pi[/tex][tex]r^{2}[/tex]

radius = [tex]\frac{diameter}{2}[/tex]

           = [tex]\frac{8}{2}[/tex] = 4 cm

Area of the base = 3.14 x [tex]4^{2}[/tex]

                            = 50.24

Area of the base is 50.2 [tex]cm^{2}[/tex].

5b. Area of the curved surface of the pencil holder = 2[tex]\pi[/tex]rh

                                                                    = 2 x 3.14 x 4 x 14

                                                                     = 351.68

The curved surface area of the pencil holder is 351.7 [tex]cm^{2}[/tex].

5c. Surface area of the pencil holder = 2[tex]\pi[/tex]rh + 2[tex]\pi[/tex][tex]r^{2}[/tex]

                               = 2[tex]\pi[/tex]r(h + r)

                                = 2 x 3.14 x 4 (14 + 4)

                                = 452.16

The surface are of the pencil holder is 452.2 [tex]cm^{2}[/tex].

Answer:

100 degrees

Step-by-step explanation:

α=2θ

α=2(50)

α=100

Answer:

.27

Step-by-step explanation:

Answer:

the 3rd option

Step-by-step explanation:

Answer:

the correct answer to this is C, have a wonderful day :)

Step-by-step explanation:

Answer:

16.5

Step-by-step explanation:

Find the value represented by a z-score of 2.403, given µ=63 and σ=4.25. Round your answer to one decimal place.

The z score formula =

z = (x-μ)/σ, where

x is the raw score = ?

μ is the population mean = 63

σ is the population standard deviation = 4.25

z = 2.403

Hence,

2.403 = (x - 63)/4.25

Cross Multiply

2.403 × 4.25 = x - 6.3

10.21275 = x - 6.3

Collect like terms

10.21275 + 6.3 = x

x = 16.51275

Approximately to 1 decimal place the value = 16.5

Answer:

the right answer will be c.360

360 degree of rotation about the origin will cause the triangle below to map onto itself.

A point, line, or geometric figure can be transformed in one of four ways, each of which affects the shape and/or location of the object. Pre-Image refers to the object's initial shape, and Image, after transformation, refers to the object's ultimate shape and location.

We have to find the degree of rotation that cause the triangle below to map onto itself.

As, A figure will be mapped onto itself if it circles the graph 360 degrees.

So, there are 360 degrees in a circle, the figure has just completed a full circle and returned to where it was before rotating.

Thus, the degree of rotation is 360.

Learn more about Transformation here:

https://brainly.com/question/16941421

#SPJ5

Answer:

x≥1

Step-by-step explanation:

Answer:

Speed = 7520 km/h

Step-by-step explanation:

Given the following data;

Distance = 22,200,000 km.

Time = 1230 Earth days

To find the average speed of the planet;

First of all, we would have to convert the time in Earth days to hours;

1 Earth day = 24 hours

1230 Earth day = x

Cross-multiplying, we have;

x = 1230 * 24

x = 29520 hours

Therefore, time = 29520 hours

Substituting into the formula, we have;

Speed = 22200000/29520

Speed = 7520.325 km/h

To 3 significant figures;

Speed = 7520 km/h

The number of candles will be 42.

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Number of candles =(total volumes used by the company)/(volume of one candle)

Volume of one candle =5cm x 2cm x 12cm=120cm^3

Number of candles =5040/120

N = 42 candles

Therefore, the number of candles will be 42.

To know more about an expression follow

https://brainly.com/question/24011021

#SPJ2

Answer:

11.30 g/in^3

Step-by-step explanation:

Given data

Dimensions of a rectangular prism

5.2 in by 4.5 in by 6.0 in

Hence the volume is given as

Volume= 5.2*4.5*6.0

Volume= 140.4in^3

Weight=  1587 grams

We know that density is

Density= mass/volume

Density=  1587 / 140.4

Density= 11.30 g/in^3

Answer: 490

Step-by-step explanation: If 7 out of ten students have a backback you can also say 7/10. If in total there are 700 students we can multiply 7/10 or .7 woth 700 and get the answer.  (7/10)(700)=490

Answer:

Zeroes are x = 6 and x = -4

Factored form is - ( x + 4 ) ( x - 6 )

Standard form is -x^2 + 2x +24

Step-by-step explanation:

Solve out the equation to get the standard form, then factor that equation to get the factored form. Set each factor equal to zero and solve for x to get zeroes of the function

Hopefully this helps - let me know if you have any questions!

Answer:

when you add them up then youll find your answer

Step-by-step explanation:

im just saying what my math teacher said im sorry if im wrong

Answer:

Verify if sides are proportional:

XW/XV = XY/XZ

∠X is common and included, the side ratios are same.

ΔXZV ~ ΔXYW by SAS

Verify side ratios are equal, from least to greatest:

Since ratios are same, the triangles are similar by SSS

Ratio of corresponding sides:

(x + 2)/3 = 10/(x + 1) = 8/4

Ratio of corresponding sides:

18/3x = (x + 1)/15 = 9/13.5

Step-by-step explanation:

So in here we can put the y-intercepts and x-intercepts together as (x, y), (x, y). (-3,0), (0,-6). And let's name them as X one, Y one and X two, Y two.

After that let's find the gradient(m) frist :

m = x-x1 / y - y1

= 0 - - 3 / -6 - 0

= 3/-6

= - 1/2

Then let's find the equation of the line :

Now we need to take one of the ys and xs we

had, (-3,0) and (0,-6). Let's take (-3,0) and the

m which is -1/2 :

y-y1 = m (x-x1)

y - 0 = -1/2 ( x - - 3)

y = -1/2 ( x +3)

y = - 1/2x - 3/2

Hope u find this helpful : )