Answer:
mean number of hours worked = 32
Step-by-step explanation:
The mean or average of a set of data is the sum of the individual data divided by the number of entries.
Therefore, the mean number of hours worked is calculated as follows:
sum of the number of hours = 30 + 15 + 32 + 48 + 16 + 51 + 30 + 35 + 32 + 31 = 320
Number of entries = 10
mean number of hours worked = sum of the number of hours ÷ Number of entries
mean number of hours worked = 320 ÷ 10 = 32
Help please will give brainliest
Answer:
A
Step-by-step explanation:
Answer no clue if u remember me but we was friends like last year over the summer. i found one our old conversations on here. j wanted to say hi and check in :)
Step-by-step explanation:
John should drive to his workplace and back to home. On the way to the workplace it was raining, so he drove at a speed of 42mph. On the way back the rain was over so his speed was 54mph. What was John's average speed, for the whole trip?
3. Three less than twice a number is 15. What is the number?
a.
b.
x= -6
x=6
c. x=-9
d. x=9
Answer:
x =9
Step-by-step explanation:
Let x = be the number
2x -3 =15
Add 3 to each side
2x-3 +3 =15 +3
2x = 18
Divide each side by 2
2x/2 =18/2
x =9
Answer: [tex]x=-6[/tex]
Step-by-step explanation:
Three (3) less than (-) twice (2) a number (x) is (=) 15
[tex]3-2x=15[/tex]
[tex]-2x=15-3\\-2x=12\\x=\frac{12}{-2}\\ x=-6[/tex]
Use the Rate-Factor Model for multiplication. The rate is 320 feet per hour, 320 feethour . The hiking team descended the mountain from 1 pm to 5 pm. The net change is a __________________ of _________________feet.
increase, 320 feet
decrease, 320 feet
increase, 1,280 feet
decrease, 1,280 feet
Answer:
The net change is a decrease of 1,280 feet
Step-by-step explanation:
From the question, we understand that the hiking team has a work rate of 320 feet / hour
Now that are descending between the hours 1pm and 5pm, this means that they descended for a total of 4 hours.
Now the total number of feet they have descended will be the number of hours * work rate = 4 hours * 320 feet/hour = 1,280 feet
Thus, the net change is decrease of 1,280 feet
Sybil's desk is 65 centimeters long. She says her desk is 6.5 meters long. Complete the explanation of her error. Sybil may have confused the units, since 65 centimeters is 6.5 --------------------- The correct length of the desk in meters is ----------------------- because a centimeter is--------------- of a meter.
Answer:
Sybil may have confused the units, since 65 centimetres is 6.5 meters The correct length of the desk in meters is 0.65 because a centimetre is 0.01 of a meter.
Step-by-step explanation:
Her desk is actually 65 centimetre long . She made an error and conclude the length of her desk is 6.5 meter long. She made a mistake in her conversion .
1 centimetre = 0.01 meters
65 centimetres = ? meters
cross multiply
65 × 0.01 = 0.65 meters
A centimetre is equal to 0.01 meters. Therefore, using that conversion rate 65 centimetres will evaluate to 0.65 meters.
The actual length of her desk in meters is 0.65. She made an error when converting her desk length from centimetres to meters.
Kim ate 10 apples and had 30 apples in the began
Answer:20 apples
Step-by-step explanation:
30-10=20
simple math
Sam is in charge of setting up rooms for parties at a hotel. On Saturday, there are two parties, one with 496 people and one with 784 people. Each table seats 8 people. How many total tables does he need for the two parties?
Answer:
160
Step-by-step explanation:
add the numbers together then divide by 8
Arnetta’s monthly gross pay is $4,200. Federal withholding is 16.05% of her pay. Her other deductions total $321.30. What is her net pay?
Answer:
c
Step-by-step explanation:
Solve y = x + 6 for x.
A. x = y + 6
B. x = -y + 6
C. x = y - 6
D. x = -y - 6
Answer:
B: x = -y+6
Step-by-step explanation:
Since y = x+6:
Bring x and y to their opposite sides:
x = -y+6
I hope this helps and plz mark me brainliest!!
Suppose you arrange 50 counters into rows. The first row has 4 counters. Each row after that has 3 more counters than the row before. How many rows do you need to make to use all 50 counters? nothing rows
Answer:
20
Step-by-step explanation:
hope it right not the best with counting
An emergency plumber charges $65 as a call-out fee plus an additional $75 per hour. He arrives at a house at 9:30 am and works to repair a water tank. If the total repair bill is $195.25 at what time was the repair completed?
Answer:
Around 11:15 am
Step-by-step explanation:
Let h represents the number of hours the plumber works
Since the plumber charges $65 fee plus $75 per hour, the bill can be calculated by:
→ bill = 65 + 75h
Since the bill is $195.25
→ 195.25 = 65 + 75h
→ 75h = 130.25
→ h = 1.74
1.74 implies that the plumber worked almost 1 hour and 45 minutes. Since the plumber started at 9:30, the repair was completed around 11:15 am.
Help me it’s urgent
Answer:
∠GHJ and ∠IHJ
Answer:
[-10, 10]
This is an absolute value problem and numbers within the brackets are always seen as positive. [-10] = 10 and [10] = 10
Step-by-step explanation:
What is the area of triangle MOL? 200 square units 250 square units 300 square units 500 square units
Answer:
300 square units
Step-by-step explanation:
explanation-because i just know
Answer:
300
Step-by-step explanation:
300 is correct
Just got it correct on Edge IYI
Convert 4.5 x 10
to a normal number
Step-by-step explanation:
4.5 × 10
= 45
this is the answer
Divya’s recipe calls for 3.25 pounds of beef, 0.65 pounds of onions, 0.2
pounds of potatoes, 0.15 pounds of tomatoes, and 0.33 pounds of asparagus.
How much will Divya pay for all the ingredients in the recipe? Show your work.
The beef price is $10.65
Onions price is $2.49
Potatoes are $3.29
Tomatoes are $8.45
Asparagus is $4.99
3.25 pounds of beef is 3.25 * 10.65 = 34.61
0.65 pounds of onions is 0.65 * 2.49 = 1.62
0.2 pounds of potatoes is 0.2 * 3.29 = 0.66
0.15 pounds of tomatoes is 0.15 * 8.45 = 1.27
0.33 pounds of asparagus is 0.33 * 4.99 = 1.65
Adding these up we get 34.61 + 1.62 + 0.66 + 1.27 + 1.65
This is equal to 39.81
A recipe is mixture of ingredients.
Divya will pay $39.81 for all the ingredients in the recipe.
The beef price is $10.65 per pound
So, price of 3.25 pounds of beef is , [tex]3.25 * 10.65 = 34.61[/tex]
Onions price is $2.49 per pound
So, price of 0.65 pounds of onions is, [tex]0.65 * 2.49 = 1.62[/tex]
Potatoes are $3.29 per pound
So, price of 0.2 pounds of potatoes is , [tex]0.2 * 3.29 = 0.66[/tex]
Tomatoes price are $8.45 per pound.
So, price of 0.15 pounds of tomatoes is , [tex]0.15 * 8.45 = 1.27[/tex]
Asparagus price is $4.99 per pound.
So, price 0.33 pounds of asparagus is , [tex]0.33 * 4.99 = 1.65[/tex]
Hence, total amount paid by Divya is,
[tex]=34.61 + 1.62 + 0.66 + 1.27 + 1.65=39.81[/tex]
Thus, Divya will pay $39.81 for all the ingredients in the recipe.
Learn more:
https://brainly.com/question/18994792
5/8 entre 1/4
Help me please
Answer:
5/2
Step-by-step explanation:
5/8 ÷ 1/4
= 5/8 × 4
= 5/2
what is the answer to y+5=2(x+1)
Answer: y + 5 = 2 ( x + 1 ) = 2 x − y + 2 = 5
Answer:
Slope = 4.000/2.000 = 2.000
x-intercept = 3/2 = 1.50000
y-intercept = -3/1 = -3.00000
Step-by-step explanation:
I hope this helped!
What is the solution to the system of equations?
y = *x+3
X = -2
• (-2. -
15
• (-2, 4)
• 6-2.1
Answer:
(-2,1)
Step-by-step explanation:
The two equations cross at (-2,1). Hope this helps.
QUESTION 1 What is the median of the data set? 23 19 13 11 17 19 18 12 17 19
Answer:
17.5
Step-by-step explanation:
First you need to put those numbers in order from least to greatest
second go from each side and count till you get to the middle 17 and 18
third add 17 + 18 = 35
fourth divid by 2 35/2 = 17.5
Hope this helps
A cylindrical swimming pool has a height of 4 feet and a circumference of about 75.36 feet. What is the area of a vertical cross section through the center of the pool? Use 3.14 for π.
The area of a vertical cross-section through the center of the pool is 24 square feet for a cylindrical swimming pool having height of 4 feet and a circumference of 75.36 feet.
Area is the total space occupied by a 2D figure.
Given the following,
Height of the pool, h= 4 feet
Circumference of pool, C= 75.36 feet
C=2πrh
On substituting the values of h=4 and π=3.14
[tex]75.36=2\times 3.14\times r\times 4\\\\[/tex]
[tex]r=\dfrac{75.36}{2\times 3.14\times 4}\\r=3[/tex]
Thus the given pool is of radius 3 feet.
Vertical cross-sectional area of a cylinder= Area of rectangle
Area of cross-section = Width*Height
Here for a cylindrical pool,
Width of cylindrical pool=2r=2*3
Width of cylindrical pool=6 feet
Height of cylindrical pool= 4 feet
Area of cross section =6*4
Area of cross section= 24 square feet
Thus, the cross-sectional area of a pool is 24 square feet.
Learn more about area, here:
https://brainly.com/question/30106292
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The radius of a sphere is multiplied by 7. What effect does this have on the volume of the sphere?
The volume of the sphere is multiplied by 373
B. The volume of the sphere is multiplied by a
C The volume of the sphere is multiplied by .
D. The volume of the sphere is multiplied by :
E. The effect on the volume of the sphere cannot be determined.
Answer:
The new volume is 7^3 or 343 times the old volume
Step-by-step explanation:
The original sphere has a volume of
V = 4/3 pi r^3
The radius is multiplied by 7
The new volume is
V = 4/3 pi (7r) ^3
V = 4/3 pi (7)^3 r^3
The new volume is 7^3 or 343 times the old volume
i cannot find the correct answer please help me i cant get this wrong
Answer:
x>0
Step-by-step explanation:
you can also write the expression like
√7x^2
----------
√3x
( I tried making a fraction above if you couldn't tell srry)
Also remember, if you're dividing by something, the denominator cannot be 0. So, a restriction is that x cant be 0. It can't also be negative, besides complex numbers, the root of a negative number is non-existant. So the value of x cannot be below 0. So the answer would be x>0.
X>0 because everything above 0 is positive and this inequality shows that it doesn't include 0 as well.
Ask if u have any more questions! :)
Reid has a bag that contains fruit. The bag contains 16 pineapple 17 pomegranates and 12 melons. what is the probability pulling pomegranate out of the bag?
Answer:
17/45
Step-by-step explanation:
Answer:
is your brainly working?
Step-by-step explanation:
9. What is the volume of the given prism? Round the answer to the nearest tenth of a centimeter.
The figure is not drawn to scale.
8.8 cm
/
4.7 cm
13.1 cm
313.3 cm3
436.4 cm
541.8 cm3
681.5 cm3
Answer:
The answer is 541.8 cm³
Step-by-step explanation:
you just have to multiply the measures of each side:
(8.8)(4.7)(13.1) = 541.8
A school team won 15 out of 20 games. Express this as a ratio in lowest terms.
Answer:
3/4 or 3:4
Step-by-step explanation:
To express this as a ratio, we simply place 15 over 20
mathematically that would be;
15/20
divide numerator and denominator by 5
= 3/4
HELP ME ASAP! Will give BRAINLIEST! Please read the question THEN answer correctly! No guessing. Answer BOTH of them plz
de
considerando AB =PQ. Na figura abaixo, para que os triângulos ABC e PQR sejam congruentes, os
valores de xe y devem ser
Y-3
2x + 1
Q
R
A) x = 2 e y = 12
B) x = 4 e y = 8
C) x = 5 e y = 2
D) x = 6 e y = 8
Answer:
The answer might be d.
Which tree diagram shows all of the possible outcomes for tossing a coin and rolling a fair number pyramid that has four sides labelled 1 through 4?
The answer is D.
For a toss of heads you can have a roll of 1, 2, 3 or 4.
and for a toss of tails you could have a roll of 1, 2, 3, or 4
Find the circumference of a circle whose area is 24 ft2
Answer: [tex]17.33ft[/tex]
Step-by-step explanation:
We need to go from area to radius to circumference.
Formula for the area:
[tex]A=\pi r^2[/tex]
Solve for r;
Divide by pi
[tex]r^2=\frac{A}{\pi}[/tex]
Extract the square root.
[tex]r=\sqrt{\frac{A}{\pi} }[/tex]
Plug in the value of the area.
[tex]r=\sqrt{\frac{24ft^2}{3.14} } \\r=2.76ft[/tex]
Now that you've found the radius, use the circumference formula to calculate it.
[tex]C=2\pi r\\C=2(3.14)(2.76ft)\\C=17.33ft[/tex]
The simplified form of 3root45 - root 125 + root 500
Answer:
the answer and explanation is in the picture
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hope this helps
