Answer:
820
Step-by-step explanation:
Find the number in the ten place 2 and look one place to the right for the rounding digit 3. Round up if this number is greater than or equal to
5 and round down if it is less than 5.
Anyone know this answer Help ASAP
Answer:
The right answer is A (x=2,y=-1)
am i correct if not pelase hep
Answer:
Step-by-step explanation:
12 feet
100 POINTS AND BRAINLIEST. PLEASE HELP!!!!!! Ava’s watering can holds 2 liters of water. She uses 200 milliliters to water each of her plants. How many plants can she water if she fills the watering can two times?
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
A customer satisfaction analyst wants to sample owners of a certain type of car to estimate what proportion of all owners are satisfied with that car. They will use the sample data to construct a one-sample z zz interval for the proportion, and they are considering two sample sizes: a large sample of n = 800 n=800n, equals, 800 for more accurate results, or a small sample of n = 200 n=200n, equals, 200 to save time and money. Assuming the sample proportion is the same in each sample, what is true about the margins of error from these two samples?
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:
The volume of a cylinder of radius 14cm is 210cm”, what is the
curved and total surface area of the cylinder.
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:
https://brainly.in/question/11560872
#SPJ5
What’s the slope?? Please help!
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 :)
The price of an item has risen to $258 today. Yesterday it was $120. Find the percentage increase
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
Find the solution(s) of the following equation.
16
ba
121
Lesson 3:
numbers
Choose all answers that apply:
Lesson 4: $
line
4
Lesson 5:1
11
4
11
Extra pract
None of the above
Quiz 1:6
Prarth
Answer:
C and D
Step-by-step explanation:
::::
b= 4/11 , b= - 4/11
Please help (no links) or i will report you i just need answers
1. b=117°
2.c=67°
have an amazing day <3
what is the square root 165
Answer:
12.8
Step-by-step explanation:
Answer:
12.8452325787
Step-by-step explanation:
Is 2.2, 4.5 and 6.7 a right triangle ?
Answer:
No
follow the pythagorean theorem and find out why . ..
Solve 3x^2 if x is 10
By the way, the x is a variable
300 is your answer.......
Find the volume of the solid figure shown below. The area of the base is 40 square inches and the height of the figure is 7 inches
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.
What is 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
A triangle has an area that is 125 m2. The measure of the base is 20 m so, h = ? 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
15
What time is it 2 hours and 35 minutes after 2:45 p.m.?
OA. 5:20 p.m.
OB. 4:20 p.m.
C. 5:47 p.m.
D. 4:47 p.m.
Reset
Submit
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
Carl can do a particular job in 4 hours. It takes Mike 7 hours to do the same job. Approximately how long will it take them to do the same job working together?
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
The land area of Charlotte, NC is approximately 3 x 102 square miles. There are 6.4 x 102 square acres in a square mile. How many
square acres are in the city of Charlotte?
A 1.92 x 105 square acres
B. 2.13 X 104 square acres
C 4.7 x 105 square acres
D 9.4 x 104 square acres
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
I NEED HELP CLICK HERE PLEASE
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
Help please. Need answers asap.
Answer:
a) 3
b) 30
c)48.8
don't forget to follow meBrian has 2 fish ponds in his backyard connected by a waterfall The top pond
holds 24 gallons of water. The bottom pond holds 158 gallons of water. How many total
gallons do the 2 fish ponds hold?
Answer:
182 gallons of water
Joy baked 2 pizzas and cut each pizza into 8 slices. Joy and her brother ate all but 4 slices of the pizza. Which equation can be used to find s, the number of slices joy and her brother ate?
2 x s = 8 x 4
2 x 8 + 4 = s
s = (2 + 8) - 4
8 x 2 = s + 4
Answer: 8 x 2 = s + 4
Can someone pls help me
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
For the following system, use the second equation to make a substitution for y in the first equation.
3x+y= 2
y+ 4 = 3x
Answer:
try mathpappa.com I love it so good.
Which expression is equivalent to..
Which situation CANNOT be represented by this equation? −13+15=9
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.
A coin is flipped 20 times. It lands on heads 11 times and tails 9 times. What is the theoretical probability that you will flip heads? Please show your work.
Answer:
11/20
Step-by-step explanation:
probability-- number of favourable outcome/ number of total outcome
probability--11/20
what is the fornula for find arithemetic ewuation
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.
There are 165 deer in a state park. The population is increasing at the rate of 12% per year. Enter a prediction for how long it will take the population to reach 300. If necessary, round your answer to the nearest tenth.
The deer population will reach 300 in approximately _____
years.
SOMEONE HELP ME WITH THISS
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.
Which of the following represent the numerical expression 2p? (c (Select all that apply.) 1: The product of 2 and p 2: Two more than p 3: Two less than p 4: Two groups of p 5: The quotient of 2 and p 6: Two multiplied by p
Whoever answer this question Get Mark Brainiest
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.