hello help me with this question thanks in advance​

Answer:

volume = 798.58 cm³ (nearest hundredth)

surface area = 678.31 cm³ (nearest hundredth)

Step-by-step explanation:

Volume of a cylinder:   [tex]V=\pi r^2h[/tex]

Surface area of a cylinder:   [tex]SA=2\pi r^2+2\pi rh[/tex]

Circumference:  [tex]C=2\pi r[/tex]

(where r is the radius and h is the height)

Given circumference = 56

⇒ [tex]56 = 2\pi r[/tex]

⇒ [tex]r=\dfrac{56}{2\pi }=\dfrac{28}{\pi }[/tex]

[tex]V=\pi \left(\dfrac{28}{\pi}\right)^2 \times3.2=\dfrac{2508.8}{\pi}=798.58 \textsf{ cm}^3 \textsf{ (nearest hundredth)}[/tex]

[tex]SA=2\pi \left(\dfrac{28}{\pi}\right)^2+56 \times3.2=\dfrac{1568}{\pi}+179.2=678.31 \textsf{ cm}^3 \textsf{ (nearest hundredth)}[/tex]

The pea plants and the yellow seeds are illustrations of genotype ration

The complete statement is: In a monotype cross of heterozygous pea plants with round (R) yellow (Y) seeds, there will be a ratio of 9 round and yellow, 3 round and not yellow, 3 not round and yellow, and 1 not round and not yellow

To determine the count, we make use of the following representations

From the complete question, we have:

Hence, the complete statement is:

9 round and yellow, 3 round and not yellow, 3 not round and yellow, and 1 not round and not yellow

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Answer:

9 w2 + 11 w - 3

Step-by-step explanation:

Answer:

3

Step-by-step explanation:
Just do inverse:

27-7=20

20+16=36

36÷3=12

12-9=3
To check:

3+9=12

12×3=36

36-16=20

20+7=27

✅

Answer:

It should be 3.

Step-by-step explanation:

27-7=20+16=36÷3=12-9=3

Answer:

y= 3$ + x km * 2$

Step-by-step explanation:

since the callout price is 3$ you are gonna pay at least this much.. and then for every km/mile you will pay 2$.

Answer:

In explanation

Step-by-step explanation:

272 for part A because say you took a test out of 850 and you got a total of 272 of them right then you would of gotten a 32%

200 for 2 because if 75% of them liked pop music and 150 teenagers what the number of teenagers surveyed then that means 200 of them were surveyed because 150 out of 200 is 75%

I don't know the last one because if you had anything there only could get a 100%(im sorry for this one it's a little confusing.

Hope this helps have a great afternoon:)

Answer:

D. y + 9 = -4( x + 7 )

slope -4

y-intercept (0,-37)

-

(-7 , -9 ) - slope -4

by using slop-intercept form

y = -4x - 37

Answer:

Uhm uhm i think its 10

Step-by-step explanation:

because 25% of 40 is 10

Sorry if wrong :,D

0.26 is the better and more accurate value as it has a more decimal point. However, if the question were to ask you to round to the nearest tenths, then 0.3 would be the better answer

Answer: 0.30 is > than 0.26 if that’s what you mean?

Step-by-step explanation:

0.3 can be written as 0.30

Answer:

the answer is 3 to the power of 6

Step-by-step explanation:

Answer:

22

Step-by-step explanation:

add them all together

Answer: (6, -1)

Step-by-step explanation:

Plug each pair in:

3(6)+7(-1)=11

11=11

True, so the first pair works.

Answer:

450 - 120 - 80

=250

2/5 × 250 = 100. A

3/5 × 250 = 120 B

Answer:

Grade A   2:9

Grade B   1:3

Grade C  4:15

Step-by-step explanation:

Students in grade A:

[tex]450-(120+80)=450-200=250[/tex]

if the ratio is 2:3 then

[tex]A=(250/5)(2)=(50)(2)=100[/tex] students

The ratio of students with grade A:

[tex]\frac{100}{450}=\frac{10}{45} =\frac{2}{9}[/tex]

= [tex]2:9[/tex]

Students with grade B.

[tex]B=250-100=150[/tex]

The ratio of B:

[tex]\frac{150}{450} =\frac{15}{45} =\frac{1}{3}[/tex]

[tex]= 1:3[/tex]

Ratio of students with grade C:

[tex]=\frac{120}{450} =\frac{12}{45} =\frac{4}{15}[/tex]

[tex]=4:15[/tex]

Hope this helps

Answer:

A. W2 and 1040 to begin a job.

Answer: B.) W-4 and I9

Hope this helps :)

Answer:

x=+46

Step-by-step explanation:

2x+4=4x-88

We move all terms to the left:

2x+4-(4x-88)=0

We get rid of parentheses

2x-4x+88+4=0

We add all the numbers together, and all the variables

-2x+92=0

We move all terms containing x to the left, all other terms to the right

-2x=-92

x=-92/-2

x=+46

Answer: Your Slope is 4/5

Step-by-step explanation:

Easiest way to find slope on a graph is to

brainliest will be nice

Answer:4/5

Step-by-step explanation:

The most appropriate client-leader relationship would be leader 1 - Jackson, leader 2 - Ellis, and leader 3 - Smith.

To represent this problem we must take into account the data they provide us. Once we see this data, we can infer that the best way to represent it is a bar graph that allows us to compare the data of each project leader with respect to each client.

This graph allows us to draw conclusions about what would be the most efficient way to assign the leaders with the clients. Therefore, the best distribution would be:

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Answer:

There are 2.54 centimeters in an inch. There are 63,360 inches in a mile. So, there are 160,934 centimeters in a mile. There are 3600 seconds in an hour.

36 cm/sec is 36 times 3600 cm/hour = 129,600 cm/hour. Therefore, there are 129,600/160,934 miles per hour = 0.80529 mph

Step-by-step explanation:

hope it helps

The speed from centimeters per second to miles per hour will be 0.805 miles per hour.

Unit modification is the process of converting the size of a given amount between different units, often by multiplicative constants that alter the value of the calculated quantity without altering its impacts.

The speed is given below.

Speed = 36 cm per second

We know that in 1 centimeter, there are 1 / 160934 miles. And in one second, there are 1/3600 hours.

Then convert the speed from centimeters per second to miles per hour. Then we have

Speed = 36 x (1/160934) ÷ (1/3600)

Speed = 36 x 3600 / 160934

Speed = 129600 / 160934

Speed = 0.805 miles per hour

The speed from centimeters per second to miles per hour will be 0.805 miles per hour.

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Answer:

I know this might not be a solid answer but its out of B or C but most likely B because they are all on the side of the triangle so pretty much B

Answer: c

Step-by-step explanation:

Answer:

C [tex]3\frac{11}{63}[/tex]

Step-by-step explanation:

[tex]5\frac{8}{9} -2 \frac{5}{7}[/tex]

= [tex]\frac{53}{9} - 2\frac{5}{7}[/tex]

= [tex]\frac{53}{9} - \frac{19}{7}[/tex]

= [tex]\frac{200}{63}[/tex]

= [tex]3\frac{11}{63}[/tex]

pls branliest

Answer: 2

Step-by-step explanation:

3•(-1)^3 - (-1)^3 + 5•(-1)^3 - 9•(-1)^3

3•(-1) - (-1) + 5•(-1) - 9•(-1)

-3 +1 -5 +9= 2

Answer: D

Step-by-step explanation:

Vertical angles are congruent, so

5x-2 = 4x + 17

x = 19

Answer:

Step-by-step explanation:

Let's say :

|1|2|3|4|

|a|b|c|d|

so it would be:

1.b) 2.d) 3.c) 4.a)

[tex]2\sqrt{3x^{2} y}[/tex] = [tex]x\sqrt{12y}[/tex],  [tex]2x\sqrt{6xy^{2} }[/tex] =  [tex]y\sqrt{24x^{3} }[/tex],  [tex]2y\sqrt{2x^{4} }[/tex] =  [tex]x^{2} \sqrt{8y^{2} }[/tex],  [tex]3x^{2} \sqrt{2y^{4} }[/tex] =  [tex]xy\sqrt{18x^{2} y^{2} }[/tex]

An expression or algebraic expression is any mathematical statement which consists of numbers, variables and an arithmetic operation between them.

Given expression

(i) [tex]2\sqrt{3x^{2} y}[/tex]

= [tex]2x\sqrt{3y}[/tex]

= [tex]x\sqrt{12y}[/tex]

(ii) [tex]2x\sqrt{6xy^{2} }[/tex]

=  [tex]2xy\sqrt{6x}[/tex]

= [tex]y\sqrt{24x^{3} }[/tex]

(iii) [tex]2y\sqrt{2x^{4} }[/tex]

= [tex]2x^{2} y\sqrt{2}[/tex]

= [tex]x^{2} \sqrt{8y^{2} }[/tex]

(iv) [tex]3x^{2} \sqrt{2y^{4} }[/tex]

= [tex]3x^{2}y^{2} \sqrt{2}[/tex]

= [tex]xy\sqrt{18x^{2} y^{2} }[/tex]

Hence, [tex]2\sqrt{3x^{2} y}[/tex] = [tex]x\sqrt{12y}[/tex],  [tex]2x\sqrt{6xy^{2} }[/tex] =  [tex]y\sqrt{24x^{3} }[/tex],  [tex]2y\sqrt{2x^{4} }[/tex] =  [tex]x^{2} \sqrt{8y^{2} }[/tex],  [tex]3x^{2} \sqrt{2y^{4} }[/tex] =  [tex]xy\sqrt{18x^{2} y^{2} }[/tex]

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Answer:

see below:-

Step-by-step explanation:

Given,

[tex] \displaystyle{5 \frac{1}{6} + 2 \frac{1}{3} - 5 \frac{11}{12} }[/tex]

[tex] \displaystyle{ \frac{31}{6} + \frac{7}{3} \ - \frac{71}{12} }[/tex]

[tex] \therefore{\displaystyle{ \frac{31}{6} + \frac{7}{3} - \frac{71}{12} = \frac{31 \times 2 + 7 \times 4 - 71 \times 1}{12} }}[/tex]

[tex] = \displaystyle{ \frac{62 + 28 - 71}{12} }[/tex]

[tex]\displaystyle{ = \frac{90 - 71}{12} }[/tex]

[tex]\displaystyle{ = \frac{19}{12} }[/tex]

[tex]\displaystyle{1 \frac{7}{12} }[/tex]

[tex] \quad\hookrightarrow\quad \sf {\dfrac{19}{12}\: or \: 1\dfrac{7}{12} }[/tex]

We will solve the given mixed fraction in 2 steps :

[tex] \implies\quad \tt {5\dfrac{1}{6}+2\dfrac{1}{3}-5\dfrac{11}{12} }[/tex]

[tex] \implies\quad \tt { \dfrac{(6\times 5)+1}{6}+\dfrac{(3\times 2)+1}{3}-\dfrac{(12\times 5)+11}{12}}[/tex]

[tex] \implies\quad \tt { \dfrac{30+1}{6}+\dfrac{6+1}{3}-\dfrac{60+11}{12}}[/tex]

[tex] \implies\quad \tt { \dfrac{31}{6}+\dfrac{7}{3}-\dfrac{71}{12}}[/tex]

[tex] \implies\quad \tt { \dfrac{(2\times31)+(4\times 7)-(1\times 71)}{12} }[/tex]

[tex] \implies\quad \tt { \dfrac{62+28-71}{12}}[/tex]

[tex] \implies\quad \tt { \dfrac{90-71}{12}}[/tex]

[tex] \implies\quad \tt {\dfrac{19}{12} }[/tex]

[tex] \implies\quad\underline{\underline {\pmb{\tt {1\dfrac{7}{12} }}}}[/tex]

Answer:

7g+3t+x

Step-by-step explanation:

You really don't have to do anything to this equation because each number in this equation has a variable, but since 1x is just x you can remove the 1 and you new equation becomes:

7g+3t+x

Answer:

7g+x+3t

Step-by-step explanation:

All you do is remove the 1 because x and 1 are the same

Answer:

x=15

Step-by-step explanation:

They are VERTICLE ANGLES meaning 125degrees = to the equation on the right.

(5x+30)=125

5x=85

x=15

Answer:

QP = 29

Step-by-step explanation:

[tex]let \: QP = x \\ 31 \times 31 + 31x = 43 {}^{3} \\ 961 + 31x = 1849 \\31x = 1849 - 961 \\ 31x = 888 \\ x = \frac{888}{31} \\ x= 28.64516129032258 \\ approx \: \: x=29[/tex]

Qp = 29

Answer:

4

Step-by-step explanation:

multiply equation [1] by 4 and equation [2] by 2

divide both sides by 8

a=3

substitute 3 for a in equation 2 above

take 6 to the other side of the equation

the symbol changes

divide both sides by 4

p=4

(a) True. Suppose A is a not a square matrix, with m rows and n columns. Then A² is not defined, because you can't multiply an m×n matrix by another m×n matrix.

(b) False. As an example, consider the matrices

[tex]A_{3\times2} = \begin{bmatrix}1&0\\0&1\\0&0\end{bmatrix}[/tex]

[tex]B_{2\times3} = \begin{bmatrix}-1&0&1\\0&0&1\end{bmatrix}[/tex]

Then both AB and BA are defined, with

[tex]AB_{3\times3} = \begin{bmatrix}-1&0&1\\0&0&1\\0&0&0\end{bmatrix}[/tex]

[tex]BA_{2\times2} = \begin{bmatrix}-1&0\\0&0\end{bmatrix}[/tex]

In general, you can multiply any m×n by any n×m matrix.

(c) True. Multiplying a m×n matrix by a n×m matrix always yields a m×m matrix, and multiplying a n×m matrix by a m×n matrix always yields a n×n matrix.