Please help me thanks!!!

Please Help Me Thanks!!!
Please Help Me Thanks!!!
Please Help Me Thanks!!!

Answers

Answer 1

Problem 9

r+h = 9

SA = 2*pi*r^2 + 2*pi*r*h = 54pi

2*pi*r^2 + 2*pi*r*h = 54pi

2pi*r(r + h) = 54pi

r(r+h) = 27

r(9) = 27

9r = 27

r = 27/9

r = 3

r+h = 9

h = 9-r

h = 9-3

h = 6

Answers:  r = 3 and h = 6 are the radius and height respectively.

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

Problem 10

d = diameter = 68 mm

r = radius = d/2 = 68/2 = 34 mm

SA = surface area of a sphere

SA = 4*pi*r^2

SA = 4*pi*34^2

SA = 4264pi

Answer:  4264pi square mm

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

Problem 11

Plug V = 3000 into the sphere volume formula and isolate r.

V = (4/3)pi*r^3

3000 = (4/3)pi*r^3

(4/3)pi*r^3 = 3000

4pi*r^3 = 3*3000

4pi*r^3 = 9000

r^3 = 9000/(4pi)

r = cube root(  9000/(4pi)  )

r = ( 9000/(4pi) )^(1/3)

r = 8.947002 approximately

Now we can determine the surface area of this sphere.

SA = 4pi*r^2

SA = 4*pi*( 8.947002 )^2

SA = 1005.923451

Answer:  1005.923451 square feet approximately

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

Problem 12

We'll follow the same idea as problem 11, but in reverse.

SA = 4*pi*r^2

400pi = 4pi*r^2

r^2 = (400pi)/(4pi)

r^2 = 100

r = sqrt(100)

r = 10

Luckily we get a nice whole number for the radius r. Use it to find the volume.

V = (4/3)*pi*r^3

V = (4/3)*pi*10^3

V = (4000/3)pi

Answer:   (4000/3)pi   cubic inches exactly

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

Problem 13

The diagram is missing. I don't have enough info to be able to answer.


Related Questions

Based on the work done in checking his solution, does it appear that x = 9/2 is the
solution? Explain why or why not

be detailed, giving out brainliest to.

Answers

Answer:

Yes x = 9/2 is the correct solution.

Step-by-step explanation:

You have substituted x = 9/2 into both sides of the equation and they have both simplified to the same value.

in the figure at the right DC = 20 cm and AB =36 cm . what is FE? a.16cm b.56cm c.28cm d.46cm​

Answers

Answer:

however dc =20 cm is

Step-by-step explanation:

so this isnt contrary to 50

Answer:

If it's all about trapezoid and FE is the median:

SOLUTION:

m = \frac{1}{2}

2

1

[(20) + (38)]

m = \frac{1}{2}

2

1

(58)

m = \frac{58}{2}

2

58

m = 26

ANSWER: 26 cm

Step-by-step explanation:

Calculate.
a) 130% of 220​

Answers

start off by saying:
130/100 * 220
so, the answer would be 286

this is as you simplify the fraction first by 10: 13/10 * 220
then you take out the ten on each side: 13 * 22
convert 130% to a decimal which is 1.3
then it’s simple math from there. multiply 220(1.3) and you get 286.

The total numbers of hours several different athletes spent training over the last year are shown below. 155, 175, 190, 210, 213, 243, 340, 380, 390, 457, 670 Which measure BEST shows the center of this data set? mean median mode range

Answers

Answer:

range is 515, mode:All values are equal, Median is 243 and the mean is  311.18

mean:to find the mean you need to add up all you numbers so all of these add up to be 3423 and then you divide by the amount of numbers which it 11 so 11 / 3423 = 311.18  so the answer is the mean is 311.18

median: to find it you need to put all the numbers smallest to biggest so it would be in the order 155, 175, 190, 210, 213, 243, 340, 380, 390, 457, 670 and then you pick the one in the middle and that would be 243

mode:All values appeared just once so there is not one

range: to find the range to need to find the differences in the smallest to the biggest number so smallest one is (155) biggers (670) so 155 - 670 = 515 so the range is 515

Hope This Helped

Graph the line whose x-intercept is 8 and whose y-intercept is -9.

Answers

Answer: attached image

Find point Z that partitions the directed line segment XY in the ratio of 2:1 where X(1, 2) and Y(7, 5). Show all steps.

!BRAINLIEST AND 5 STARS TO BEST ANSWER AND FULL EXPLANATION ONLY!

Answers

Hello, detailed answer is given below.

If you have any question(s), then feel free to ask in comments!

Of all of the medium mirrors that were shipped, how many of them were broken? 68 78 164 208

Answers

68 we’re broken during shipping

Pepper Jackie is putting 742 hard-boiled eggs into cartons for a community
farm fundraiser. Each carton holds 12 eggs. How many cartons of eggs can she
make?

Answers

Answer:

About 61 cartons with a reminder with a remainder of 10

Step-by-step explanation:

12 * 61 = 732 → 742 - 732 = 10 eggs

hope this helps

Which pair of angles shares ray A and F as a common side?

Answers

The pair of angles that share a ray as a common side in the given diagram is: ∠FAB and ∠FAD.

What are Adjacent Angles?

Adjacent angles are angles that lie adjacent or next to each other sharing a common vertex and have the same ray as a common side.

In the diagram attached below, ∠FAB and ∠FAD share a common vertex, A, and a ray FA as a common side.

Therefore, the pair of angles is: ∠FAB and ∠FAD.

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complete the proof and tell me how to come up with the answer please ASAP

Answers

Step 4 is the reason SSS

Patrick buys a wrench with a listed price of $22. Which of these coupons will deduct the most from Patrick's purchase price?

A. Save $5 + 10%
B. Save $10
C. 15% off
D. Save 25%

Answers

Answer:

B: Save $10

Step-by-step explanation:

A: $14.80, B: $12, C:$18.70, D: $16.50

Sarah opened new savings account on Tuesday with a deposit of $70. She made a deposit of $30 on Friday and a withdrawal of $60 on Saturday. Which of the following expression represents her new account balance.

Answers

Answer:

x=70+30-60

Step-by-step explanation:

Word to my mother

Decide whether quadrilateral ABCD with vertices 4(3,1), B(-1,-1) C(1,3), and D(5,5) is a rectangle, rhombus,
square, or parallelogram.

Answers

Answer: rectangle

Step-by-step explanation:

From the options, it is implied that it is a parallelogram.

From inspection, we can tell that not all the sides are congruent, so it is not a rhombus or a square.

To determine if it is a rectangle, we can use the slope formula to see if there is a pair of perpendicular sides (if this is the case, then this will be a parallelogram with a right angle, making it a rectangle)

[tex]m_{\overline{AB}}=\frac{1-0}{-4-(-3)}=-1\\m_{\overline{BC}}=\frac{4-1}{-1-(-4)}=1\\\therefore \overline{AB} \perp \overline{BC} \text{ because} \left(m_\overline{AB} \right) \left(m_{\overline{BC} \right)=1[/tex]

So, the most specific classification is a rectangle.

What should be added to both sides of this equation to solve for the variable?
P-33 = 17

Answers

Answer:

You add 33 on both sides to solve for the variable.

Step-by-step explanation:

Ted is cooking a stew. A stew for 4 people requires 300g potato, 180g meat and 500g root veg. He wants to cook the stew for 6 people. He has the following ingredients: 480g potato 300g meat 750g root veg Does he have enough to cook for 6 people?​

Answers

Yes he has enough ingredients he needs the following;
- 450g potatoes
- 240g meat
- 750g root veg

What is the volume, in cubic centimeters, of a cylinder with a height of 5 centimeters and a base radius of 10 centimeters, to the nearest tenths place?

Answers

Answer:

The volume of the cylinder is approximately 1570.8 cm³.

General Formulas and Concepts:
Pre-Algebra

Order of Operations: BPEMDAS

BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to Right

Geometry

Volume Formula [Cylinder]:
[tex]\displaystyle V = \pi r^2 h[/tex]

r is radiush is height

Step-by-step explanation:

Step 1: Define

Identify given variables.

h = 5 cm

r = 10 cm

Step 2: Find Volume

[Volume Formula - Cylinder] Substitute in variables:
[tex]\displaystyle V = \pi (10 \ \text{cm})^2 (5 \ \text{cm})[/tex][Order of Operations] Evaluate:
[tex]\displaystyle V = 500 \pi \ \text{cm}^3[/tex]Approximate:
[tex]\displaystyle V \approx \boxed{ 1570.8 \ \text{cm}^3 }[/tex]

∴ the volume of a cylinder whose height is 5 cm and radius is 10 cm is approximately 1570.8 cm³.

___

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___

Topic: Geometry

Is constructed by making arcs centered at a and b without changing the compass width. which equation is not necessarily true? a. pq = ab b. ap = pb c. aq = bq d. ar = rb

Answers

The equation that is not necessarily true is that PQ = AB.

How to illustrate the equation?

The perpendicular bisector of any line segment can be drawn by opening the compass more than half, by putting the nib of the compass at one end of a line segment, and by marking an arc on both sides of the line segment from both the ends of the segment.

The following Property that the perpendicular bisector PQ follows when it bisects the line segment AB include:

AP=BPAQ=BQAR=BR∠ARP=∠BRP=∠ARQ=∠BRQ=90°

Therefore, PQ is Perpendicular Bisector of Line Segment AB is not true.

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order the decimal greatest to least 8.31,8.295, 8.06,8.3

Answers

Answer:

Least 8.06, 8.295, 8.3, 8.31 Greatest

8.31, 8.3, 8.295, 8.06

Using the information in the diagram, what is the height of the tree to the nearest foot?

45 ft
54 ft
60 ft
135 ft

Answers

The relationship between the corresponding sides of similar triangles indicates that the height of the tree is 60 feet. The correct option is therefore;

60 ft

What are similar triangles?

Similar triangles are triangles in which the ratio of the corresponding sides of the triangles are equivalent for the three sides of the triangle.

The location of the tree divides the hypotenuse side and the base of the triangle formed by the building into two parts of the same length, therefore;

The length of the hypotenuse side to the building = 2 × 108 ft = 216 ft

The length of the base to the building = 2 × 90 ft = 180 ft

The ratio of corresponding sides of similar triangles and the trigonometric ratio of sines, indicates that we get;

Height of the tree/108 = 120/216

Height of the tree = 108 × (120/216) = 60 feet

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Find the product or type
"impossible".
[2 6 -7][5 -2 4]

Answers

The value of (26 - 7) and (5 - 24) when they're multiplied will be -399.

How to multiply the values?

From the information given, we are told to multiply (26 - 7) and (5 - 24). This goes thus:

= (26 - 7) × (5 - 24)

= 21 × -19

= -399

In this case, value of (26 - 7) and (5 - 24) when they're multiplied will be -399.

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10 points, helpppp please​!

Answers

Answer:

64

Step-by-step explanation:

Important angle relationships that will help us answer this question :

Supplementary angles : Supplemtary angles are angles that for a straight line. The sum of these angles is 180 degrees.Corresponding angles : corresponding angles are angles that are on the same side of the traversal as well as the same side of the intersecting lines. These angles are congruent ( equal to each other ) if the two lines that they fall on are parallel ( which they are )Opposite exterior angles - These angles are angles on the very outside of the lines and are on opposite sides of the transversal. These angles are congruent as well

For more clarification kindly view the attached images :)

Using these angles relationships, we can easily find the answer two different ways.

First way :

Creating an equation : We want to find the measure of angle MPN. It's important to note that this angle falls on a line made up of other angles ( angle mpe and angle npe ) forming a straight line ( line e )

Using our angle relationships we know that angles that form a straight line are supplementary and add up to 180 degrees.

So we can say angle mpe + angle npe + angle MPN = 180. ( we can use this equation to solve for angle MPN )

Here we are given that angle mpe is a right angle ( indicated by the little square ) meaning it has a measure of 90 degrees.

So we can further simplify our equation saying that angle npe + 90 + angle MPN = 180 ( by plugging in angle mpe = 90 )

Now if you didn't know we can solve an equation ( find the missing angle ) if there is a single variable ( in this case we want the variable to be angle MPN ). This means that in order to solve for angle MPN we just find the measure of the other angle, angle npe.

Finding angle npe

The angle under "x" is corresponding to angle mpE so we can say the angle under x = angle npe.

The angle under x also appears to be supplementary to the angle with a measure of 153 degrees. So we can say that angle under x + 154 = 180

Subtracting both sides by 153 we get that angle under x = 180 - 154 = 26 degrees.

Because the angle under x and angle npe are corresponding and equal to each other, angle npe also has a measure of 26 degrees.

Finishing creating the equation and solving for angle MPN : So we have angle npe + angle mpe + angle MPN = 180

We know angle mpe = 90 and angle npe = 26

So we can say 90 + 26 + angle MPN = 180

Now we can solve for angle MPN

90 + 26 + angle MPN = 180

==> combine like terms

116 + angle MPN = 180

==> subtract 116 from both sides

angle MPN = 64 degrees

Second way :

We can also solve for angle MPN using the angle relationship " opposite interior angles "

The angle with a measure of 154 degrees and angle ePN are opposite exterior angles meaning they are congruent. ( so angle ePN = 154 )

Angle ePN is made up of angle mpe and angle MPN. This means that angle mpe + angle MPN = 154

We've already identified that angle mpe = 90 degrees because it's a right angle so we can say angle angle MPN + 90 = 154

Subtracting both sides by 90 we get that angle MPN = 154 - 90 = 64 degrees

And we are done!

I inserted a photo please answer ASAP I will mark brainliest PLEASEEEEE

Answers

Answer:

B, C, D

Step-by-step explanation:

Square roots are not in polynomials

HELP PLEASE HURRY
g(x)
3
f(x) = 4x + 5
-32
#12
Which function has the greatest y-intercept?
3/
h(x)=3 sin(2x + 1)-2

Answers

Answer:

pls write your answer in order i dont know if they are together or separate

help me pleaseeeeeeeee

Answers

[tex]\textit{exponential form of a logarithm} \\\\ \log_a(b)=y \qquad \implies \qquad a^y= b \\\\[-0.35em] ~\dotfill\\\\ 2^3~~ = ~~8\implies \log_2(8)~~ = ~~3[/tex]

What are the coordinates of the point that is 2/5 of the way from a to b

Answers

Answer:

the cords for a should be (-3,0) and the cords for b should be (7,15) sorry if im incorrect

1.
Solve the equation below.
a.
x = 1
x = -2
x = 3
x = -4
b.
C.
d.
2x + 3 = 5

Answers

Answer:

a) x = 1

Step-by-step explanation:

Given: 2x + 3 = 5

1. Subtract 3 from both sides:

2x + 3 - 3 = 5 - 3

⟹ 2x = 2

2. Divide both sides by 2:

2x ÷ 2 = 2 ÷ 2

x = 1

3. Check your work:

2(1) + 3 = 5

2 + 3 = 5

5 = 5 ✔

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Here is a growing pattern of sequences:

Answers

Answer:

  A, C, F

Step-by-step explanation:

The first figure is drawn using 8 squares. The next uses 11 squares, and the one shown in Step 3 uses 14 squares. The numbers of blocks follow the sequence ...

  8, 11, 14

which begins with 8 and increases by 3 from one step to the next. This constant increase from one term to the next makes it an arithmetic sequence.

__

explicit form

The general term, an, of an arithmetic sequence can be written in terms of its first term, a1, and its common difference, d, as ...

  an = a1 +d(n -1)

When the first term is a1=8, and the common difference is d=3, this becomes ...

  an = 8 +3(n -1)

which simplifies to

  an = 8 +3n -3 = 3n +5

Written in functional form, these explicit equations are ...

  f(n) = 8 +3(n -1) . . . . . matches choice A

  f(n) = 3n +5 . . . . . . . . matches choice F

__

recursive form

The recursive form of the definition of a sequence starts with the first term, then tells you how to obtain the next term from that. Here, the first term is ...

  f(1) = a1 = 8

and each term is 3 more than the last:

  f(n) = 3 +f(n-1) . . . . . . . . . 3 is added to the previous term

Together, this is ...

  f(n) = 8, f(n) = 3 +f(n -1) . . . . . matches choice C

A butterfly is 12 inches long and 13 inches wide. Lashay makes a scale drawing
of the butterfly that is 1 inch long. What is the width of his drawing?

Answers

Answer:

1.08 inches

Step-by-step explanation:

13 / 12 , to keep aspect ratio the same

1.08 inches

Because 13/12 ratio aspect has to be the same

How does the volume of the larger cube compare to the volume of the smaller cube? Use pencil and
paper. Use this and other examples to describe what happens to the volume of a cube if you triple the length
of the edges.

Answers

Answer:

Option C, The volume of the length cube is 3 times the volume of the smaller cube

Step-by-step explanation:

21.8 / 7.8 = 2.8

the volume of the larger would be 21.8^3 = 10360.23

the volume of the larger would be 7.8^3 = 474.55

If f(x) =
(3 + x)
(x-3)
what is f(a + 2)?

Answers

Answer:

(a^2)+4a-5

Step-by-step explanation:

(3+a+2)(a+2-3)

(a+5)(a-1)

use FOIL or box method

5a-5+(a^2)-a simplifyes to

(a^2)+4a-5

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