Answer: by using the formula (pi)r^2
Step-by-step explanation:
the r stands for radius
Solve for x
41.68x+2000=60x
Answer:
109.17030567685
Step-by-step explanation:
41.68x+2000=60x
-41.68x -41.68x
2000=18.32x
/18.32 /18.32
109.17030567685=x
can you guys please help me with dis ill give you da crown da first one who answers
Hope u can see it : )
A test has 40 questions. The test awards 2 points if the answer is correct and takes away 1 point if the answer is incorrect. A student answered 5 questions incorrectly. And got 35 questions correct. What was his score?
$5
$12
$10
$60
Answer: 65...
Step-by-step explanation: (65 is not on there but..)
35x2= 70 (correct)
5x1= 5 (incorrect)
70-5= 65 (total)
YOOOOOOO HELLLPPPPPP PT.2
HERE 100 PLUS BRAINLIST
Answer:
The one in the bottom right hand corner.
Step-by-step explanation:
The one in the bottom shows a perfectly symmetric standard curve. In a standard curve, the mean and median and mode are equal.
In a right skewed curve, the median is less than the mean. An example of a right skewed curve is the bottom left hand corner.
In a left skewed curve, the mean is less than the median. An example of a left skewed curve is the top left hand corner.
I hope this helps! Let me know if you have any further questions.
In a cave, a stalactite gets 4 millimeters longer each year. This year is 72 centimeter long. How many years until it is 1 meter long?
Answer:
70 years
Step-by-step explanation:
28 cm more to reach 1 meter (100 cm)
28 cm / 4 mm/year =
280 mm / 4mm/year = 70 years
Help, please. been struggling on this one for a while.
Answer:
38 yds squared
Step-by-step explanation:
area is L x W
break figure down into two separate figures
see attached picture for detailed math
ill give brainly but hurry
Answer: the answer is 440 cm sq
Step-by-step explanation: since the formula is a+b/2 x h
where a is 19 cm ,
b is 25 cm and
h is 20 cm
Will give brainiest!! It is domain and range. Please help!
Answer:
domain: 1- infinity
range: 3- infinity
Step-by-step explanation:
it starts at 3,1 and increases
Answer:
Below in bold.
Step-by-step explanation:
The filled circle on the graph indicates that (3, 1) is included in the domain and range.
The Domain is [3, infinity)
The Range is [1, infinity).
The square bracket indicates that the 3 and 1 are included in the domain and the range.
In a picture, there are 40 monkeys, and 60% of the monkeys are in the trees.
How many monkeys are in the trees? Use a 10-squares model to explain your answer
Evaluate the expression. 11. [tex] 3(1+8)^{2} [/tex]
Mr. Millar's garden is in the shape of a trapezoid shown below. What is the area of the garden?
Answer:
12.5 unit square
Step-by-step explanation:
The area of a trapezoid is calculated with the following formula:
(b1 + b2)*h/2 (b1: base, b2: base, h: height)
(4+6)*(2.5)*2 = 12.5
Blue whales eat an average of 5,000 pounds of fish daily, with a standard deviation of 850 pounds. Approximately what percentage of blue whales eat more than 6,700 pounds of fish?
A. 2.5%
B. 5%
C. 15.87%
D. 31.74%
Answer:
it is C 15.87%
Step-by-step explanation:
can i get brainlyliest
Answer:
2.5%
Step-by-step explanation:
I did the math, it might be wrong but i looked up a chart and yeah, still the only one that makes sense out of all of these anyways.
Kenneth works in a carpet store. The graph shows the proportional relationship between the amount of carpet in square feet, x, and the cost of the carpet in dollars, y.
Answer:
box 1 = 30
box 2 = 45
Step-by-step explanation:
it is because it shows us that the 30 x and 45 y meet at same point and x is area which means box 1 is 30 and y is cost so box 2 is 45
i hope this helps
Solve for the missing variables. (Geometry)
Step-by-step explanation:
we are using the right triangle altitude theorem. it means that in a right-angled triangle the geometric mean of the two segments of the Hypotenuse (the baseline opposite of the 90° angle) equals the altitude.
in other words
h² = p×q
h = height
p, q are the 2 segments of the Hypotenuse.
so, in our case we have
100 = x(x + 21) = x² + 21x
that gives us the following quadratic equation
x² + 21x - 100 = 0
the general solution to a quadratic equating is
x = (-b ± sqrt(b² - 4ac))/(2a)
in our case
a = 1
b = 21
c = -100
so,
x = (-21 ± sqrt(21² - 4×1×-100))/(2×1) =
= (-21 ± sqrt(441 + 400))/2 = (-21 ± sqrt(841))/2 =
= (-21 ± 29)/2
x1 = (-21 + 29)/2 = 8/2 = 4
x2 = (-21 - 29)/2 = -50/2 = -25
x2 would give us negative lengths for the triangle, which does not make sense.
so, x = 4 is our solution.
that makes the segments of the Hypotenuse 4 and (4+21) = 25 units long (the whole baseline is then 4+25 = 29).
If my current grade is a 65.50 percent and I get an 98 percent on a 60 point test what will be my new percentage
Answer:
81.75%
Step-by-step explanation:
98 percent on a 60 point test is 59/60
65.50+98/2 = 81.75%
[tex]13.18\colon[/tex] The average of five numbers is 18 . Let the first number be increased by 1 , the second number by 2 , the third number by 3 , the fourth number by 4, and the fifth number by 5 . What is the average of the list of increased numbers?
Answer: :
If the average out of 5 numbers is 17 then to know the sum
Step-by-step explanation:
An account earns 3% yearly simple interest. How much interest will you earn in 9 years if you put $820 in the account
A. $1069.91
B. $1041.40
C. $249.91
D. $221.40
the scoop of an excavator holds 26 ft³of sand. if the capacity of a freight car is 39 tons of sand and we know that 1 ft³ of sand weighs 0.05 ton how many freight cars can be filled with 120 scoops?
Answer:
4!
Step-by-step explanation:
its 0.05 not 0.5! instead of it being 40, its 4
4 freight cars can be filled by 120 scoops of excavator having a total mass of 156 tons and a volume of 3120 ft³.
What do we mean by volume or capacity of a substance?In three-dimensional space, volume refers to the entire amount of space occupied by an item. Capacity refers to an object's capacity to contain, absorb, or accept anything (such as a solid material, gas, or liquid).
What do we mean by the mass of a substance?The amount of matter in a substance or object is measured by its mass.
How do we solve the given question?In the question, we are given that the scoop of an excavator holds 26 ft³of sand.
We are asked if the capacity of a freight car is 39 tons of sand, then how many freight cars can be filled with 120 scoops.
We are also informed that 1 ft³ of sand weighs 0.05 tons.
We first find the mass of sand in one scoop of an excavator.
The volume of sand in one scoop of an excavator = 26 ft³.
Mass of 1 ft³ of sand = 0.05 tons.
∴ Mass of 26 ft³ of sand, that is, the mass of sand in one scoop of an excavator = 26*0.05 tons = 1.3 tons.
∴ Mass of 120 scoops = 120*1.3 tons = 156 tons.
The capacity of one freight car = 39 tons
∴ Number of freight cars in 156 tons = 156/39 = 4.
∴ 4 freight cars can be filled by 120 scoops of excavator having a total mass of 156 tons and a volume of 3120 ft³.
Learn more about the mass and volume of a substance at
https://brainly.com/question/1354972
#SPJ2
After grading the most recent chapter test, a science teacher asks twelve of his 10th grade summer school students how long they studied for the test. Their answers, as well as their corresponding test grades, were recorded on a table and placed on the scatter plot below.
According to the actual data represented in the scatter plot, the student who spent zero hours studying for the test actually earned a corresponding grade of ___ on the test.
A. 3.75
B. 25
C. 52.5
can someone help me please
Answer: Yes the triangles are the same, just one is smaller than the other
Step-by-step explanation: if you flip tringle y, you get the same messurments, its just smaller.
This graph shows how far a hurricane travelled in 4 h. What was the hurricane’s average speed in kilometres per hour?
Answer:
The hurricane's speed was 200kmphat average
Step-by-step explanation:
The way how we can find this is simple. If we look at the graph, we see that in 1 hour, the hurricane traveled at a constant rate of 200kmph
Hence, the hurricane's average speed was 200kmph
How do I do this? I'm so confused
Answer:
The answer is 67.5
Step-by-step explanation:
Pls help
Due pretty soon
Answer:
I think the area is 25 im unsure of the perimeter amd sorry if I'm wrong.
if you remove one red marble from the bag and add one blue marble , what fraction of the marbles are blue?
Answer:
This depends on how many blue and red marbles there are in total.
Answer:
D) 2/3
Step-by-step explanation:
If you remove 1 red marble then there is 1 marbles left red.
If you add a blue marble then there is 4 blue marbles.
So it is 4/6 and when you simply it is 2/3.
PLEASE HELP!! FIRST QUICK CORRECT ANSWER GETS BRAINLIEST
Answer:
A) [tex]x=42\sin32^\circ[/tex]
Step-by-step explanation:
With respect to our angle, the side opposite to it is [tex]x[/tex], and the hypotenuse is [tex]42[/tex], so the trig ratio we need to use here is sine as [tex]\displaystyle \sin\theta=\frac{\text{opposite}}{\text{hypotenuse}}[/tex]. Hence, if we rearrange the equation so that we solve for the opposite side [tex]x[/tex], then we'll have [tex](\text{hypotenuse})(\sin\theta)=\text{opposite}\rightarrow42\sin32^\circ=x[/tex] as the correct equation.
Select the correct comparison PLEASE HELP ASAP!
Answer:
c
Step-by-step explanation:
Calculate.
6-[(-3)+(-7)]-[(-1)-(-5)-(-8)]
Answer:
if you calculate 6-[(-3)+(-7)]-[(-1)-(-5)-(-8)] you get 4
Step-by-step explanation:
step by step by step
The two plots below show the heights of some sixth graders and some seventh graders of a school:
The mean absolute deviation (MAD) for the first set of data is 1.2 and the MAD for the second set of data is 0.7. Approximately how many times the variability in the heights of the seventh graders is the variability in the heights of the sixth graders? (Round all values to the tenths place.)
A. 0.5
B. 1.2
C. 1.7
D. 3.4
Answer
(B) 1.2
Step-by-step explanation:
Please help!!
Use the drop-down menus to explain which student is correct.
Use the ruler. Click the Ruler button below.
sides of equal
Click the arrows to choose an answer from each menu.
The shape has Choose... of parallel sides and choose...
length. The shape is Choose....
Choose...
correct
60
Curiem Ano Alved. These many portion there may not be reproduced or shared in any manner without prin consent of Curriculum Associates
The shape has 2 pairs of parallel lines and 4 sides of equal length. The shape is a rhombus. Jabar is correct.
Also, I-Ready? Is that like a practice thing or the actual test? Because there is no way that you can take a picture of that in school
Will give brainiest!!! Rose has no more than $65 to spend on girl scout cookies. She has already spent $38.50 on samoas; if thin mints cost $4 each, how many boxes of thin mints can Rose afford? 65.00 Is the answer 6 cuz that's what I got?
Answer:
6
Step-by-step explanation:
so if she has $65 and she spent 38.50 you find the difference which is $26.50 then you divide it by 4 which is 6.62 so yes your right its 6 if you round it
Answer:
6 boxes.
Step-by-step explanation:
65 ≥ 38.50 + 4x where x is the number of boxes of mints.
65 - 38.50 ≥ 4x
(65-38.40/ 4 ≥ x
x ≤ 6.625
so the answer is 6 boxes.
