Please help. 25 points.

Answer:

If you can please edit the question and give us the situation choices, we can help. (Answering this to hold my spot so some scammer doesn't answer). You can also comment them.

Answer:

a_{n} = a_{1} + (n-1)d

a_n = the nᵗʰ term in the sequence

a_1 = the first term in the sequence

d = the common difference between terms

The general term of an arithmetic sequence can be written in terms of its first term a1, common difference d, and index n as follows: an=a1+(n−1)d. ... The nth partial sum of an arithmetic sequence can be calculated using the first and last terms as follows: Sn=n(a1+an)2.

Answer:

12.8

Step-by-step explanation:

Answer:

12.8452325787

Step-by-step explanation:

Answer:

try mathpappa.com I love it so good.

Answer:

11/20

Step-by-step explanation:

probability-- number of favourable outcome/ number of total outcome

probability--11/20

Answer:

182 gallons of water

5km

Step-by-step explanation:

The required curved surface area =30.772 cm² and the total surface area = 1261.412 cm² for the cylinder.

The volume of a cylinder of radius 14cm is 210cm².
curved and total surface area to be determined.

The cylinder is defined as a 3D solid that keeps two identical bases joined by a curved surface, at a certain distance.

Here, Volume of cylinder(V) = 210 cm²

   V=πr2h

   h = V/πr2

   h = 210/π*14²

   h = 0.34105

Area of curved surface = 2πr*h
                                       =  2*3.14*14*0.34
                                       =  30.772 cm²

The total surface area of the cylinder,
A = 2πrh+2πr²
A = 2*π*14*0.34+2*π·*14²
A = 1261.412 cm²

Thus, The required curved surface area =30.772 cm² and the total surface area = 1261.412 cm² for the cylinder.

Learn more about cylinder here:
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Answer:

The right answer is A (x=2,y=-1)

300 is your answer.......

Answer:

/_ 12 is the angle of depression from the firefighter to the second story window.

Step-by-step explanation:

Hope it helps!

#CarryOnLearning

Answer:

2nd option is the correct answer

Step-by-step explanation:

[tex] \angle 12[/tex] is the angle of depression from the second story window to the firefighter.

Answer:

I believe the slope of the line is 5

Step-by-step explanation:

5 + 5 = 10

10 + 5 + 15

15 + 5 = 20

Hope this helps :)

Answer:

[tex] \displaystyle V _{ \text{cuboid}} =280 {in}^{3} [/tex]

Step-by-step explanation:

We are given the area of the base and the measure of the height of a solid figure . We want to find the volume of the figure.

Notice that the area of the base of the figure is not a perfect square. Thus, we assume the solid figure to be a cuboid.

Cuboid is a three dimensional rectangle. The dimensions of cuboid are length, width and height

Remember that

[tex] \displaystyle V _{ \text{cuboid}} = l\times w \times h[/tex]

Since the base area (l×w) is 40in² and height (h) is 7in, simply substitute:

[tex] \displaystyle V _{ \text{cuboid}} =40 \times 7[/tex]

simplify multiplication:

[tex] \displaystyle V _{ \text{cuboid}} =280[/tex]

hence,

The volume of the figure is 280 in³

Answer:

it is the one above the last one

Step-by-step explanation:

i hope it helps

Answer:

x-5

Step-by-step explanation:

when x=(a number) then you -5 you find 5 less then a number therefore x-5 is the anwser

Answer:

Step-by-step explanation:

12 feet

Answer:

50.3 is the circumference

Step-by-step explanation:

Answer:

circumference = 50.2 in

Step-by-step explanation:

circumference = 2rπ

circumference = 8 x 2 x 3.14 = 50.24 in

Answer:

(1) The product of 2 and p (6) Two multiplied by p​.

Step-by-step explanation:

The given numerical expression is 2p.

Here, 2 is a variable and p is a constant. 2 and p are getting multiplying. The multiplication of two numbers is called their product.

The product of 2 and p is equal to 2p.

Also, product of 2 and p.

Hence, the statement that represents 2p are : (1) The product of 2 and p (6) Two multiplied by p​.

Answer

138

Step-by-step explanation:

The answer is 138 because, when you take 258 and subtract it by 120, you will end up with 138!  

Answer:

It was most likely raised by 46%

Step-by-step explanation:

120/258

Answer:

a) 3

b) 30

c)48.8

Answer: 8 x 2 = s + 4

Answer:

2.13 X 104 square acres

Step-by-step explanation:

Divide 6.4 acres by 3 miles = factor of 2.13

Therefore the answer must be 2.13 X 104 square acres

Answer: 1/2

Step-by-step explanation:

This is straight from Khan

ample size and margin of error

In a one-sample

z

zz interval for a proportion, the

margin of error

margin of errorstart text, start color #11accd, m, a, r, g, i, n, space, o, f, space, e, r, r, o, r, end color #11accd, end text is how far our interval extends above and below the sample proportion:

(

statistic

)

±

(

margin of error

)

p

^

±

z

∗

p

^

(

1

−

p

^

)

n

(statistic)

p

^

​

​

±(margin of error)

±z

∗

n

p

^

​

(1−

p

^

​

)

​

​

​

Since the sample size

n

nn is in the denominator, increasing the sample size will lead to a smaller margin of error.

Hint #22 / 3

Comparing sizes of margins of error

Let's look at each margin of error in terms of its sample size.

Smaller sample,

n

=

200

n=200n, equals, 200:

=

z

∗

p

^

(

1

−

p

^

)

200

error

margin of

=z

∗

200

p

^

​

(1−

p

^

​

)

​

​

start text, e, r, r, o, r, end text, start superscript, start text, m, a, r, g, i, n, space, o, f, end text, end superscript, equals, z, start superscript, times, end superscript, square root of, start fraction, p, with, hat, on top, left parenthesis, 1, minus, p, with, hat, on top, right parenthesis, divided by, 200, end fraction, end square root

Larger sample,

n

=

800

n=800n, equals, 800:

=

z

∗

p

^

(

1

−

p

^

)

800

=

z

∗

p

^

(

1

−

p

^

)

4

⋅

200

=

z

∗

1

4

⋅

p

^

(

1

−

p

^

)

200

=

1

2

⋅

z

∗

p

^

(

1

−

p

^

)

200

error

margin of

​

=z

∗

800

p

^

​

(1−

p

^

​

)

​

​

=z

∗

4⋅200

p

^

​

(1−

p

^

​

)

​

​

=z

∗

4

1

​

⋅

200

p

^

​

(1−

p

^

​

)

​

​

=

2

1

​

⋅z

∗

200

p

^

​

(1−

p

^

​

)

​

​

​

Even though

800

800800 is

4

44 times larger than the smaller sample, the margin of error from the larger sample is

1

2

2

1

​

start fraction, 1, divided by, 2, end fraction the margin of error from the smaller sample.

Equivalently, the margin of error from the smaller sample is

2

22 times the margin of error from the larger sample.

Hint #33 / 3

Answer

The margin of error from the larger sample will be

1

2

2

1

​

start fraction, 1, divided by, 2, end fraction the margin of error from the smaller sample.

Answer:

1/2

Step-by-step explanation:

Answer:

No

follow the pythagorean theorem and find out why . ..

Answer:

C and D

Step-by-step explanation:

::::

b= 4/11 , b= - 4/11

Answer:

The answer is 5:20 p.m

Step-by-step explanation:

2:45 to 3:45 is 1 hour. 3:45 to 4:45 is 2 hours and add 35 minutes is 5:20 p.m

Answer:

12.5

Step-by-step explanation:

12.5 multiplied by 20 is 250 which you divide by 2 to get the area. it plugs in to the triangle area formula which is 1/2 base times height.

Answer:

Hello! answer: h = 12.5

Step-by-step explanation:

H = 12.5 because 12.5 x 20 = 250 then we divide by 2 and get our area 125. so h = 12.5

Answer:

28/11hr or about three hr

Step-by-step explanation

1/4+1/7=11/28

or 28/11 hr

Answer:

2 hours and 32.7 minutes. This is a good problem to become familiar with. It comes up in physics quite frequently.

Step-by-step explanation:

1 job/4 hours + 1 job / 7 hours = 1/x

1/4 + 1/7 = 1/x

(7 + 4)/28 = 1/x

11/28 = 1/x

x / 1 = 28/11

x = 2.54 hours repeating.

1 hour = 60 minutes

0.54 hours = x minutes

1/.54 = 60/x

x = 0.54 * 60

x = 32.7 minutes

Answer:

She can water 20 plants

Step-by-step explanation:

She has a total of 2 liters in each can, and if she uses 2 full cans, she has a total of 4 liters. 4 liters=4000 milliliters.

To find the amount of plants she can water, we need to divide the amount of water she has by how much it takes to water each plant. So,

[tex]\frac{4000}{200}[/tex]

[tex]=\frac{20}{1}[/tex]

[tex]=20[/tex]

So, she can water 20 plants with two full water cans.

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Answer:

20 plants

Step-by-step explanation:

SEE THE IMAGE FOR SOLUTION

HOPE IT HELPS

HAVE A GREAT DAY

1. b=117°

2.c=67°

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