Since, Kim works on commission and her trend of monthly earnings are not constant, Calculate the average from the data and estimate for the whole year , The answer is C) $15,720
What is statistics?Statistics is the branch of mathematics that deals with the collection, analysis, interpretation, presentation, and organization of data. It helps to make sense of large amount of data and use it to draw conclusions and make informed decisions. It provides methods to summarize, describe and analyze data, as well as techniques to infer characteristics of a population from a sample.
What is mean of the data?The mean is a measure of central tendency and a way to describe the average value of a dataset. It is calculated by adding up all the values in a dataset and then dividing by the number of values. The resulting value is the mean of the dataset, also known as the arithmetic average. Mean is commonly used to describe a large data set, while median is used to describe data with values have outliers.
salary for four months = $1625, $960, $1235, and $1420.
Average = ($1625 + $960+ $1235+$1420) /4 = $1310
for whole year = $1310 * 12 = $15,720
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NO LINKS PLEASE!!!!!!!!!!!!!
What is the sum of the following equation?
what is the approximate volume of the composite figure? use 3.14 for pi. round to the nearest hundredth.
a. 29.31 cm^3
b. 33.49 cm^3
c. 46.06 cm^3
d. 62.80 cm^3
Answer:
C. 46.06
Step-by-step explanation:
It's the volume of a sphere/2 plus volume of a cone
Are 2 3 5 the sides of right angled triangle?
Answer:
No
Step-by-step explanation:
Since [tex]2^2+3^2 \neq 5^2[/tex], the side lengths do not satisfy the Pythagorean theorem.
Please I need help with all four who or whom
Answer: 2=who
3=who
4=whom
5=I
Step-by-step explanation:
A concrete slab 4 inches deep will be poured for the floor of greenhouse A. How many cubic feet of concretar are needed for the floor
This question is incomplete
Complete Question
Consider greenhouse A with floor dimensions w = 16 feet , l = 18 feet.
A concrete slab 4 inches deep will be poured for the floor of greenhouse A. How many cubic feet of concrete are needed for the floor?
Answer:
96 cubic feet
Step-by-step explanation:
The volume of the floor of the green house = Length × Width × Height
We convert the dimensions in feet to inches
1 foot = 12 inches
For width
1 foot = 12 inches
16 feet = x
Cross Multiply
x = 16 × 12 inches
x = 192 inches
For length
1 foot = 12 inches
18 feet = x
Cross Multiply
x = 18 × 12 inches
x = 216 inches
The height or depth = 4 inches deep
Hence,
Volume = 192 inches × 216 inches × 4 inches
= 165888 cubic inches
From cubic inches to cubic feet
1 cubic inches = 0.000578704 cubic foot
165888 cubic inches = x
Cross Multiply
x = 16588 × 0.000578704 cubic foot
x = 96 cubic feet
Therefore, 96 cubic feet of concrete is needed for the floor
Help ASAP!!!!
Which of the following statements is NOT true?
Find the volume of each solid. Round to the nearest tenth if necessary. Use 3.14 for or
22/7
Answer:
half of 20 is 10
10 is your new radius so
10^2 = 100
100 x 3.14 = 314
Now we multiply by the height:
314 x 11 = 3,454 cm^3
The volume of the solid is option (a) 3454 cm³.
What is Volume?Volume of a three dimensional shape is the space occupied by the shape.
Given is a cylinder.
Volume of a cylinder = π r² h
Here r is the radius of the circular base and h is the height of the cylinder.
Given,
Diameter of circular base = 20 cm
Radius = Diameter / 2 = 20/2 = 10 cm
Height = 11 cm
Substituting,
Volume = π r² h
= (3.14) (10²) (11)
= 3454 cm³
Hence the volume of the cylinder shown is 3454 cm³.
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What is the measure of m?
Answer:
m=10
Step-by-step explanation:
hypotenuse is 15+5=20
to find shorter leg m divide the hypotenuse by 2
20÷2=10
What is the product of the complex numbers below?
(4-2i) (1 +7i)
Answer:
B
Step-by-step explanation:
Note that i² = - 1
Given
(4 - 2i)(1 + 7i) ← expand factors using FOIL
= 4 + 28i - 2i - 14i²
= 4 + 26i + 14
= 18 + 26i → B
What is the length of a leg of a 45 45 90 right triangle if the hypotenuse measures 5 square root of 2?
If the leg of the triangle is equal to a, then:
The second leg is also equal to a.
the given hypotenuse is a√2.
The given area is equal to a²/2; and
The perimeter equals a (2 + √2).
Now, looks easy, but from where does it come? There are various of methods to prove that equation, the most popular of them are:
By using the Pythagorean theorem, we can do that.
As you know one leg length a, then you know the length of the other as well, as both of them are equal.
The given 45 45 90 triangle shows the remaining parameters. Now you know that:
hypotenuse length is - 9 in * √2 = 12.73 in.
area is - 9 in * 9 in / 2 = 40.5 in²; and
perimeter - 9 in + 9 in + 9 in * √2 = 30.73 in.
Find the hypotenuse from the Pythagorean theorem:
a² + b² = c² => a² + a² = c² so c = √(2a²) = a√2
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[tex]3 \ \frac{2}{5} \times 3 \times \frac{1}{3} [/tex]
answer in fraction plz
Answer:
[tex] \displaystyle \frac{17}{5} [/tex]
Step-by-step explanation:
we are given
[tex] \displaystyle3 \frac{2}{5} \times 3 \times \frac{1}{3} [/tex]
since ⅓ is a reciprocal of 3 therefore if we multiply it we'd get 1
[tex] \displaystyle3 \frac{2}{5} \times \cancel{ \: 3} \times \frac{1}{ \cancel{ \: 3}} [/tex]
[tex] \displaystyle 3\frac{2}{5} [/tex]
remember that
[tex] \displaystyle \rm c\frac{a}{b} \xrightarrow{ \text{improper fraction}} \frac{b \times c + a}{b} [/tex]
so,
[tex] \displaystyle \frac{17}{5} [/tex]
An object is launched at 39.2 meters per second (m/s) from a 42.3-meter tall platform. The equation for the objects height s at time t seconds after launch is s(t)=-4.9t^2+39.2t+42.3, where s is in meters. Create a table of values and graph the function. Approximately what is the maximum height of the object?
Question 13
Find the area of the (gray) shaded region. (2 tangent circles inscribed in a rectangle):
20
Answer:
42.92 square
Step-by-step explanation:
The radius of the circles is 5m
So, area of 1 circle is π(5×5)=78.54 square
Two areas will (78.54+78.54)=157.08 square
Rectangles height is ( 5+5)=10m
Rectangles area is (10×20)=200 square
Shaded region=(200-157.08) square =42.92 square
Help please, i have been stuck on this question for 20 minutes AND I DONT GET IT. Please help me.
Answer:
d
Step-by-step explanation:
sorry if im wrong
what is the circumference of the circle that circumscribes a triangle with side lengths 3, 4 , and 5?
Answer:
Circumference of the circle = 15.70 units.
Step-by-step explanation:
In this question three sides of a triangle has been given as 3, 4 and 5 units.
These are the sides of a right angle triangle.
3² + 4² = 5² [By Pythagoras theorem]
9 + 16 = 25
If this triangle is inscribed in a circle then Hypotenuse of the triangle will be the diameter of the circle.
Theorem for the angle formed in the semicircle says, "angle formed by drawing the the lines from the ends of the diameter of a circle to it's circumference form a right angle."
Therefore, radius of the circle will be units
Now we know the formula of circumference of the circle = 2πr
= 2π(2.5)
= 2(3.14)(2.5)
= 15.70 units
The question is in the picture I would appreciate if you could explain how to get the answer thank you.
The equation that is modeled to the situation is x - 2y + 2 = 0 and the slope of the line is 1/2.
The slope of an equation:
A line's steepness and direction are measured by the line's slope. Without actually using a compass, determining the slope of lines in a coordinate plane can assist in determining if the lines are parallel, perpendicular, or none at all.
The slope intercept form of a line is y = mx + c
Where, c - y-intercept and m - the slope of the line
Given that
The cost of using the internet at an internet cafe is equal to a fee plus a certain rate per minute.
4 minutes of internet costs $ 3
8 minutes of internet costs $ 4
[ We can represent the given situation as given below ]
And the coordinates formed are (4, 3) and (8, 4)
The slope of the line formed = (4 - 3)/(8 - 4) = 1/4
Let y = mx + c be the equation to the model situation
=> y = (1/2)x + c
=> 2y = x + c ---- (1)
As we know (1) will pass through (4, 3)
=> 2(3) = 4 + c
=> 6 = 4 + c
=> c = 6 - 4
=> c = 2
=> 2y = x + 2
=> x - 2y + 2 = 0
Therefore,
The equation that is modeled to the situation is x - 2y + 2 = 0 and the slope of the line is 1/2.
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What is 78,400,000 expressed in scientific notation?
Answer:
7.84 × 10 ^7
Step-by-step explanation:
What's the answers I'm insanely bad at reorganizing the y=mx+b equations (Possibly a brainliest if I learn a lot)
Answer:
x = 2, y = 0
Step-by-step explanation:
find y in terms of x:
8x - 4y = 16
4y = 8x - 16
y = 2x - 4
substitute y:
8x + 4y = 16
8x + 4(2x - 4) = 16
8x + 8x - 16 = 16
16x = 32
x = 2
find y:
8x + 4y = 16
16 + 4y = 16
y = 0
In the figure below, side AC of ABC lies on line l.
A. 25
B. 30
C. 22
D. 24
As you can see, 5y is an external angle of triangle ABC
we know that 5y=180-x
since angle B is 40, and angle A=x and C=x, we have
x%2Bx%2B40=180
2x=180-40
x=140%2F2
x=70
so, angle A=70 and C=70
then
5y=180-70
5y=110
y=110%2F5
y=22
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35 cubes with a length of 7 meters, height of 1 meter, and width of 5 meters.
What is the length of the figure?
7 m
What is the width?
5 m
What is the height?
1 m
What is the number of cubes?
What is the volume?
Answer:
35 cubic meters along with 35 cubes.
Answer:
The Answer is length 7m Width 5 m Height 1 m number of cubes 35 and volume 35
Step-by-step explanation:
help me out yall!!!! I need answers ASAP
Answer:
199
Step-by-step explanation:
Ok, lets do the math, 41,790 is going to be the number we divide by, and than we use 210 to divide it with, meaning the final answer is 199.
explaination with steps
Answer:
50
Step-by-step explanation:
angleQPR=50
becauseQR=RP
so angleRQP=RPQ
x=50
Answer:
50
Step-by-step explanation:
angle QPR = 50 because QR= rp
Plasserea numbers in ascending Order
Answer:
the pic is 't clear
Step-by-step explanation:
Mr. Wú needs to buy new carpet for his
office. The length of the office is 12 feet
and the width is 10 feet. If each square
foot of carpet costs $3, how much will it
cost Mr. Wú to buy carpet for his office? NEED HELP PLS!!!
Answer:
A - $360
Step-by-step explanation:
Length times width equals area.
12 × 10 = 120
His office has 120 sq ft of space. If each sq ft costs $3
120 × 3 = $360
A
Answer:
A ($360)
Step-by-step explanation:
imagine a rectangle with one side 12ft and one side 10ft
multiply the length and the width to find the square footage:
12*10=120ft^2
each square foot is $3 so multiply 3 by 120
$3*120ft^2= $360
oops didn't realize someone already answered sorry
help again please thank you and no links! ^^
Answer:
23
Step-by-step explanation:
Angles x and 157 are linear pairs,
x + 157 = 180
x = 180 - 157
x = 23
Answer:
23°
Step-by-step explanation:
180-157= 23
You roll a 6-sided die.
What is P(even)?
Write your answer as a percentage rounded to the nearest tenth.
%
P(even) is 50%
It is simple to calculate the likelihood of one die roll.
Calculating the likelihood of experiments happening is one of the branches of mathematics known as probability. We can determine everything from the likelihood of receiving heads or tails when tossing a coin to the likelihood of making a research blunder, for instance, using a probability.
First, keep in mind that a prime number is an integer that has exactly two factors: 1 and the number itself (which is why 1 does not qualify: it has only one factor). The appropriate numbers from 6 onward are 2,3,5. Your response, given that there are six sides, is: P(prime) = 3/6 = 1/2 = 50%
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Can u plz help me thank you
Answer:
A) first quadrant
hope it helps.
stay safe healthy and happy.You accepted a job for which the annual salary is $39236. This salary
includes a year-end bonus of $500. You will be paid once a month. What
will your gross pay be for each paycheck?
Answer:
$3228
Step-by-step explanation:
39236 - 500 = 38736
38736 / 12 = 3228
Write the formula to find the length of the rectangle and then solve.
Formula:___________
Length:____________
Answer:
Formula-W=A/L
Legnth-17
Step-by-step explanation:
Using the formula to find width of a rectangle, (width= area divided by legnth), you get 17. You can check by multiplying 26 by 17 to get 442. Hope this helps (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧
Answer:
Formula : L x W
Length : 17.
Step-by-step explanation:
26 times 17 is 442
pleaseeeeeeeeeeeeeeeeeeee help
Answer:
0
Step-by-step explanation:
Well, since the line has the same y coordinates, you know it's a horizontal line.
All slopes of horizontal lines are 0.