Answer:
The two most widely used measures of the “center” of the data are the mean (average) and the median. To calculate the mean weight of 50 people, add the 50 weights together and divide by 50 . To find the median weight of the 50 people, order the data and find the number that splits the data into two equal parts.
1
Two radio stations are playing this week's #1 hit song. One radio station plays the song every 18 minutes. The other radio station plays the song every 24 minutes. Both stations play the song at 3pm. How many minutes will pass before they play the same song again.
Answer:
72 minutes until they play again
Step-by-step explanation:
18+18+18+18=72
24+24+24=72
Answer: 72 minutes
======================================================
Explanation:
The GCF of 18 and 24 is 6, since this is the largest factor shared between the two numbers
18 = 6*324 = 6*4To find the LCM, we'll involve the GCF. The LCM of two numbers x and y is found by multiplying them, and then dividing over the GCF of them.
LCM of x and y = (x*y)/(GCF of x and y)
LCM of 18 and 24 = (18*24)/6
LCM of 18 and 24 = 432/6
LCM of 18 and 24 = 72
-----------
To help confirm this, we can list out the multiples of each
multiples of 18 are: 18, 36, 54, 72, 90, ...multiples of 24 are: 24, 48, 72, 96, ...We see that 72 is the lowest common multiple. This is the final answer because each station will play the same song 72 minutes apart.
The stations play the same song at 3 PM. Then 72 minutes later (4:12 PM), the same song is played again on both stations at the same time. Then at 5:24 PM, another 72 minute gap, is when the same song is played again at the same time. And so on.
----------
Side note: 72 minutes = 60 min + 12 min = 1 hr, 12 min
Find the radius, diameter, circumference and the approximate area for the circle in the image attached. To find the approximate area, please use 3.14 for π. SHOW WORK!
Answer:
The radius is already given, which is 6 in.
Diameter is equal to 2 times the radius (2x6), which is 12 in.
Finally, circumference is equal to 3.14 times the diameter, which is 37.68 in.
Let me know if this helps!
6.28 * 6 : 37.68
note:
radius is the length of half the circle. and diameter is always double the radius.
solve by factoring
x^2+7x+12 =0
Answer:
(x + 4)(x + 3)
Step-by-step explanation:
x² + 7x + 12 = 0
~Rewrite
(4x + 12) + (x² + 3x)
~Factor out 4 and x
4(x + 3) + x(x + 3)
~Factor out x + 3
(x + 4)(x + 3)
Best of Luck!
Answer:x=-3 x=-4
Step-by-step explanation:
So sorry I really need help
Answer:
(2 x 2 x 2) x (0.03125)
Step-by-step explanation:
Figure ABCD has verticies A(-4, 1) B(2, 1) C(2, -5) D(-4-3). What was the area of Figure ABCD.
area: 18 units^2
Step-by-step explanation:
the shape is a quadrilateral, with one slanted side, so I separated the shape into a rectangle and triangle, and and calculated their area respectively, then added the products up. please correct me if I'm wrong. hope this helped. :)
Can someone please help with questions 4 and 5 and explain it to me I’ll appreciate!
Answer for number 4:
4. It will take them 3.5 hours on the fourth day.
Alright, so this is a multistep problem.
1. We need to calculate how many miles they have already traveled.
In order to do that, we multiply the number of hours by the average speed on each day.
- On day 1, they drove 5 hours at an average of 70 mph. 5 * 70 = 350, so they drove 350 miles on the first day.
- On day 2, they drove 7 hours at an average of 65 mph. 7 * 65 = 455, so they drove 455 miles on the second day.
- 350 miles + 455 miles = 805 miles, so they've driven 805 miles so far.
2. We need to figure out how far they have left to travel.
They started out with 1,050 miles, so they've got 245 miles left. 1,050 - 805 = 245.
3. We need to figure out how many hours they've got left to drive.
On the third day, they drive at an average speed of 70 mph, and they've got 245 miles left. to find the amount of time they need to drive, we divide the distance by the speed.
245 miles ÷ 70 mph = 3.5 hours. Therefore, it will take them 3.5 hours to reach their friend's home.
Answer For Number 5:
10 gallons of water will leak out in 30 hours.
This question involves unit rates.
1. We need to figure out how much water leaks out per hour.
- Since 7 gallons of water will leak out in 21 hours, we divide the amount of water by the amount of time it took for it to leak out. The answer will be how much water leaks out in an hour.
- 7 gallons ÷ 21 hours = 1/3 gallon of water. Now we have our unit rate. Every hour, 1/3 gallon of water leaks out.
2. We need to figure out how much water will leak out in 30 hours.
- Since we know how much water leaks out in 1 hour, we can easily figure out how much water leaks out in 30 hours. All we need to do is multiply how much water leaks out in one hour by 30!
- 1/3 gallon * 30 hours = 10 gallons of water.
Therefore, 10 gallons of water will leak out in 30 hours.
I hope this helps!
Two tapes -red and green- with lengths of 416 ft and 780 ft respectively are cut into two pieces of equal lengths without remainder. What is the greatest length possible for the pieces?
Answer:
416 is cut to 410 and 780 is cut to 410
Step-by-step explanation:
416-6=410
780-370=410
sorry if its not right
bers on a number line Use before Lesson 1-4 What is the distance of each point from zero on the number line? 31. A 32. B A A 33. C 34. D 0 2 B C С D + 4 6 8 10
Answer: i think its C
Answer:
[tex]\text{Not enough info, can't answer.}[/tex]
Evaluate: 8a+3b−10+c28a+3b−10+c 2 8, a, plus, 3, b, minus, 10, plus, c, squared when a=2a=2a, equals, 2, b=5b=5b, equals, 5, and c=4c=4c, equals, 4.
Answer:
a+b+c=40
Step-by-step explanation:
The sum of two consecutive integers is -92. Find the integers.
Answer:
x = -46.5
x + 1 = -45.5
Step-by-step explanation:
x + x + 1 = -92
2x + 1 = -92
-1 -1
------------------
2x = -93
---- ----
2 2
x = -46.5
x + 1
(-46.5) + 1
-45.5
Answer:
No solution
Step-by-step explanation:
We can set up an equation where x is the integer and x+1 is the next one
x+x+1=-92
2x+1=-92
2x/2=-93/2
x=-46.5
-46.5+1=-45.5
The problem is that integers do no include decimals so there is no possible whole number. This problem would be possible if it was consecutive odd integers.
Plz I need the answer ASAP.
Answer:
-10
Step-by-step explanation:
The reason why I believe the answer to your question is -10 is because inequality represents the difference in size, degree, circumstances, etc.; lack of equality. So I had to find the difference between -5 and 5, and -5 minus 5 is -10.
Also if this helps, it would be nice if you gave brainlest :)
What is the solution to –2(8x – 4) < 2x + 5?
x > x is greater than StartFraction 1 Over 6 EndFraction.
x < x is less than StartFraction 1 Over 6 EndFraction.
x > 6
x < 6
Answer:
1/6 < x
Step-by-step explanation:
–2(8x – 4) < 2x + 5
Distribute
-16x +8 < 2x+5
Add 16x to each side
-16x+8+16x < 2x+16x+5
8<18x+5
Subtract 5 from each side
8-5 < 18x+5-5
3 <18x
Divide each side by 18
3/18 <18x/18
1/6 < x
A trader has purchased ball pens at the rate of Rs. 42 per dozen. If he sells each ball
pen for Rs. 5, he gets
(A) profit of Rs. 8 (B) profit of Rs. 18 (C) loss of Rs. 18 (D) loss of Rs.8
Answer:
im confused
Step-by-step explanation:
Answer:
(B)
Step-by-step explanation:
The total would be Rs. 60, so a profit of Rs. 18. Also, please mark brainliest.
Plz help me and explain
**Solve the equation:
x(x+3)(x+3)=0
Answer:
three solutions: {-3, -3, 0}
Step-by-step explanation:
This polynomial has already been factored, and the factors are x, x + 3 and x = +3. To solve this equation, set each of the factors equal to zero separately and solve each of the resulting equations:
x = 0 is a solution; the given equation equals zero when x = 0.
The next factor is x + 3; setting this equal to 0 yields the solution x = -3.
The last factor is x + 3; x = -3 is the third solution.
In summary, (x + 3)(x = 3) = 0 has two solutions; we call them "repeated roots." x(x + 3)(x = 3) = 0 has three solutions: {-3, -3, 0} of which two are "repeated."
A triangle is going to be reflected over the x-axis and translated 4 units left and 2 units up. Which of the following is a TRUE statement?
A
The image with be larger than the pre-image
B
The image with be smaller than the pre-image
C
The image and pre-image will be congruent
D
The image and the pre-image will not be congruent.
Help!
What is equivalent to the expression 6(21)
A. 6(21-1)
B. 6(20 + 1)
C. 6(20-1)
D. (3+2)(21+1)
E. (3+2)(20+1)
Answer:
I think e no answer is correct
Plz Help me Asap. And explain
Answer:
n=(1/6) or n=-5/2
Step-by-step explanation:
|6n+7|=8
6n+7=8 or 6n+7=-8
6n=1 or 6n=-15
n=(1/6) or n=-5/2
Hi can someone help me with this question please?
If h(x) = x2-5x + 7
find: h(-5)
Answer:
h(-5)=22
Step-by-step explanation:
Replace x with -5.
[tex]h(-5) = (-5)2-5(-5) + 7[/tex]
Simplify.
[tex]h(-5)=-10+25+7[/tex]
Simplify.
[tex]h(-5)=22[/tex]
PLZ ANSWER!!! IF YOU ANSWER U GET 20 POINTS
Find |-65|.
0
65
-65
Find the values for which the statement is true.
lxl=x
3(2x + 9) = 6x +
help please
Step by step on how to do this plz
Answer:
Rational, irrational, irrational
Step-by-step explanation:
A) sqrt(16)=4 which is rational
B) and C) are both irrational
Answer:
they are all irrational numbers but unfortunately I can't go step by step please excluding the square root of 16
pls help me with this friends
Answer:
A,B,C
Step-by-step explanation:
if you see that two small make a square then you know three make one and a half.
Find the area of the figure in the image attached. Round to the nearest tenth if necessary.
A circle is cut from a square piece of cloth, as shown:
A square, one side labeled as 42 inches has a circle inside it. The circle touches all the sides of the square. The portion of the square outside the circle is shaded.
How many square inches of cloth are cut from the square? (π = 3.14)
131.88 in2
168.00 in2
1,384.74 in2
1,764.00 in2
Answer:
A
Step-by-step explanation:
I think you are supposed to do is 42x3.14=131.88 so the answer is 131.88
hope this helps :)
Answer:
Step-by-step explanation:
Given the choices of answers we have to consider that:
The cloth is cut from the square = Area of circle
Area of circle = π r² = 3.14 * 21² = 1,384.74 in²
**TIMED** I need help
Step-by-step explanation:
from what I understand this should be the answer:
x. y
12. 7. Because y=x-5 and 7=12-5
30. 25 Because 25=30-5
15. 10 Because 10=15-5
Answer:
10
Step-by-step explanation:
15-5=10, simple.
Angie and Kenny play online video games. Angie buys 1 software package and 2 months of game play. Kenny buys 1 software packages and 6 months of gameplay. Each software package costs $50. If their total is $250, what is the cost of one month of gameplay?
Answer:
$18.75 is the cost for 1 month of gameplay.
Step-by-step explanation:
2 software packages in total
Unit price for software package is $50, and since there are two packages, $50x2=$100
Now, we know that the total amount of money that the software cost was $100, we can do 250-100=150
150 is how much they spent for 8 months of gameplay. (2+6=8)
To find how much 1 month of gameplay costs, we need to do 150/8 which is equivalent to $18.75
Please multiply 6c(4)
Answer:
24c
Step-by-step explanation:
6 * c * 4 = 6 * 4 * c = 24c
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
Answer:
24c
Step-by-step explanation:
6c * 4 is 24c. You multiply normally and make it c :)
plz help, will mark brainliest!
Answer:
the answer is "B" (thank me later) ;))
Answer:
Given:- [tex]f(x)=\frac{x-3}{x+2}[/tex]
Solution:- [tex]\left(-\infty \:,\:-2\right)\cup \left(-2,\:\infty \:\right)[/tex]
So, Answer:- [tex]All \: real\: value \: of x\: such \; that \: \neq -2[/tex]
OAmalOHopeO
