Please help!!
Sean needs to read a book that is 374 pages long. The graph shown at the right shows his progress over the first 8 hours of reading. If he continues to read at the same rate how many hours total will it take for Sean to read the entire book?
A. 15 hours
B. 17 hours
C. 19 hours
D. 21 hours
Answers
Answer:15 hours
Step-by-step explanation:
You have to subtract to get your answer.I'll show you how I got 15:
374-8=366
366-8=358
358-8=350
350-8=342
Whatever number you get after you subtracted, you subtract that number from 8 until you get your answer.
Good luck!!
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if a = b, then ac = bc
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a polygon has 6 sides the interior angle measures are 118°, 115°, 131°,118°,130° find the value of x PLEASE HELP I WILL GIVE BRAINLIEST
Answers
Answer:
X=108
Step-by-step explanation:
ASSUMING ITS A HEXAGON the sixth angle would be 108 degrees. You get this by adding all the five angles which give you 612. You then subract 612 from 720. Because 720 is the whole measure of a hexagon. and then when you subtract you get 108.n
Kids on a field trip to a dairy farm are gathered in the barn with cows. If
there are 11 heads and 28 legs in the barn, how many kids and how many cows are
in the barn?
Answers
These types of questions can be very confusing to grasp if you don’t know what to look for. In this case you need to really think about the words given.
When talking about heads, a cow and a kid have the same amount (one of course). So when the question states we have a total of 11 heads, we also have a total of 11 cows and kids combined. We can state this as x+y=11 (x being for the amount of kids and y being the amount of cows.) we can now put this equation to the side for now and find the next equation needed.
We then need to use the given legs in the barn, in which case kids have 2 and cows have 4, therefore we can get the equation 2x+4y=28 (x being the amount of kids and y being the amount of cows).
We now have two options to do complete this task: elimination and substitution. We’ll do substitution as to I confuse you too much.
So we have two equations x+y=11 and 2x+4y=28. We need to substitute in our value for x or y. So to do this I will find what x equals from the first equation we made (x+y=11). First subtract y from both sides of the equation to get x=11-y.
Next (so we can make this even simpler) let’s grab the equation 2x+4y=28 and make it simplified even more by halving the entire equation because all the numbers are even, leaving us with x+2y=14.
Now here’s the substitution part, since we have the first equation as to what x would equal (x=11-y) we then put that into the new equation x+2y=14. The equation that will solve for y while now look like 11-y+2y=14. Now we want to add like terms to get 11+y=14 and then subtract by 11 to get y by itself which leaves us with y=3. Y is stated in our equation to be the amount of cows, therefore we have 3 cows. Because we had a total of 11 cows and kids, we can then infer there are 8 kids in the barn based on the previous equation x+y=11 now being x+3=11.
Is it true that 5 + 4 = 4 + 5 ? Explain why.
Answers
Answer:
Yes, it is.
Step-by-step explanation:
Its just reversed add 5+4 and its 9. Now add 4+5, its also 9.
Please answer! I WILL MARK BRAINLIEST!!
Answers
Answer: is this an acute im confused
Step-by-step explanation:
Answer:
NOM, MON, 3, O
Step-by-step explanation:
Most mornings Kevin stops for coffee on the way to work. He spends 527 each month on coffee. In addition, he likes to
occasionally go out to lunch with his coworkers. This month, he is trying not to spend more than $87 on both coffee and lunch
out. If he spends an average of $6 each time he eats lunch out, and x represents the number of times he eats out, which of the
Inequalities represents this situation?
ОА
$27x+ $6 587
B $6x + $27587
ec. $27x36587
D
56x527587
Answers
Answer:In addition, he likes to - 17987421. ... In addition, he likes to occasionally go out to lunch with his coworkers. This month, he is trying not to spend more than $87 on both coffee and lunch out. If he spends an average of $6 each time he eats lunch out, and x represents the number of times he eats out, which ...
the inequality that represents the qualities is b
Step-by-step explanation:
Solve the formula for the indicated variable.
The formula for density is D =m/v, for v. What is v equal to?
Answers
Answer:
v = m/D
Step-by-step explanation:
D =m/v
Multiply each side by v
Dv =m/v *v
Dv = m
Divide each side by D
Dv/ D = m/D
v = m/D
Put the numbers in order from least to greatest. -√29, -5.39, -27/5, -5 7/20
Answers
Answer:
-27/5 -5 7/20 -√29 -5.39
Good Luck!!!
Find the slope of a graph.
PLEASE HELP !!!
Answers
Answer:
6/-2 or -3
Step-by-step explanation:
rise /run
strat at -4 go up 6 points
go left 2 that would make it -2
6/-2=-3
Vertical angles are supplements of each other
a. sometimes
b. always
c. never
Answers
Answer:
a sometimes
Step-by-step explanation:
Vertical angles are equal
If they both are 90 degrees, then they are supplements because they add to 180
So the correct answer is sometimes
A scientist needs ten liters of a 20 percent acid solution for an experiment but she has only a five percent solution and a forty percent solution. To the nearest tenth of a liter about how many liters of the five percent and the forty percent solutions should she mix to get the solution she needs?
Answers
Answer:
We need 5.7 liters of the 5% volume solution and 4.3 liters of the 40% volume solution.
Step-by-step explanation:
Let V₁ be the volume of the 5% solution required and V₂ be the volume of 40% solution required.
Since mass = concentration × volume, the combined mass of the 5% and 40% volume solution equal the mass of the 10 liter 20% volume solution.
So, 0.05V₁ + 0.4V₂ = 0.2 × 10
0.05V₁ + 0.4V₂ = 2 (1)
Also, the total volume of the solution must equal 10 liters. So,
V₁ + V₂ = 10 (2)
V₁ = 10 - V₂ (3)
substituting (3) into (1), we have
0.05(10 - V₂) + 0.4V₂ = 2
0.5 - 0.05V₂ + 0.4V₂ = 2
collecting like terms, we have
- 0.05V₂ + 0.4V₂ = 2 - 0.5
0.35V₂ = 1.5
dividing through by 0.35, we have
V₂ = 1.5/0.35
V₂ = 4.29
V₂ = 4.3 liters to the nearest tenth of a liter
Substituting V₂ into (3), we have,
V₁ = 10 - 4.3
V₁ = 5.7 liters
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why is this scientific notation: 12,050,000 = 1.25×107 wrong
Answers
Answer:
1.234 × 101
Step-by-step explanation:
If I get to watch my niece for 82 min. and then watch my little cuz for 67 min., how long do I watch both of them? Please include hours and minutes.
Answers
Answer:
2.5 hours roughly (2 hours 29 mins)
Answer:
1:49 is your answer. your welcome
a paper boy delivers papers. he delivers "189" papers in 3 hours. what is the unit rate of this deliveries per hour?
Answers
The paperboy delivers 63 papers per hour.
First, you must set up the equation.
[tex]\frac{189}{3}=\frac{x}{1}[/tex]
Then, you must cross multiply.
[tex]189=3x[/tex]
Then, divide 3 on both sides.
[tex]x=63[/tex]
45mph = how many feet per second
Answers
Answer: 66 feet per second.
Answer: 66 feet per second
Step-by-step explanation: Hope this helps :)
Solve b/6 > -7.
A.) b > -42
B.) b > -7/6
C.) b < -42
D.) b < -7/6
Answers
I took the quiz.
To find the solution, multiply by a six.
ANSWER ASAP PLEASE
Q is the midpoint of PR. If QR = 3x and PR = 4x + 2, what is PR?
Answers
Since Q is the midpoint of PR, PQ = QR = PR/2
Now, plug in.
3x = (4x + 2)/2
3x = 2x + 1
x = 1
PR = 4x + 2, so PR = 4(1) + 2, so PR = 6.
Hope this helps
Three times a number increased by 4 is 13.
show steps please brainliest if right
Answers
3*3=9
9+4=13
Mike hiked to a lake in 5.5 hours at an average rate of 4 - miles per hour. Pedro hiked the same distance at
of A
3
a rate of 4 miles per hour. How long did it take Pedro to reach the lake? Round to the hundredths place.
5
It took Pedro
hours to reach the lake.
PLS HELP!!!!
Answers
Answer:3.1957 hours
Step-by-step explanation:
Help pls it’s due today *photo*
Answers
9514 1404 393
Answer:
ACBD-BDAC
Step-by-step explanation:
It is convenient to compare the values of each of the functions when h=1. On the graphs, find 1 on the horizontal axis, then read the value of the function at that point from the vertical axis.
For the equations, the value for h=1 will be its coefficient in the equation.
__
1) a: 80,b: 50, c: 75, d: 30
Fastest to slowest is ACBD.
__
2) a: 4, b: 2, c: 8, d: 3
Slowest to fastest is BDAC
__
The code is these lists, separated by a dash: ACBD-BDAC.
5 root 32- 15 root 2
Answers
Answer:I think it's 7, but im not sure
Step-by-step explanation:
Answer:
5 root 2Step-by-step explanation:
5 root 32 - 15 root 2
20 root 2 - 15 root 2
5 root 2
please have a look of photo for exact answet
You and your friend race in a trail flag is 10 miles long. In each situation, does your friend pass you before the end of the trail? Justify your answer.
A- You have a four-mile head star and jog at 6 miles per hour. Your friend bikes at 8 miles per hour.
B- You have a five-mile head start and run at 7 miles per hour. Your friend bikes at 17 miles per hour.
Answers
Answer:
b
Step-by-step explanation:
invest $300.00 at a rate of 13.50% per annum compounded quarterly, how much
interest will you earn after 5 years? show work.
Answers
Step-by-step explanation:
amount=$300
rate=13.5
time=5 years
interest =(300×13.5×5)/100=$202.5
Giselle’s youth club sells cookies to fund their trips and activities. Each year they need to earn $1,247 from selling cookies. For each box of cookies they sell, they make $1.45. If Giselle’s club has already made $472.70 from selling cookies, how many more boxes do they need to sell to meet their goal?
Answers
Answer:
534
Step-by-step explanation:
1247:1.45=860
472.7:1.45=326
860-326=534
What is the equation of the line that goes through the points (5, 11) and (7,21)?
Answers
Answer:
y = 5x - 14
Step-by-step explanation:
First point coordinates
x₁
5
y₁
11
Second point coordinates
x₂
7
y₂
21
Result
Slope (m)
5
m = 10 / 2 = 5 / 1 = 5
Your function
The entered points belong to an increasing, linear function.
Equation: y = 5x - 14.
Hope i helped :)
Pls help I really want to get this done and be able to have fun
Answers
1x + 6 = 3x + 8
Solve the equation.
Answers
Answer:
X = -1
Step-by-step explanation:
Step-by-step explanation:
collect like terms on one side
6-8=3x-1x
-2=2x
-2/2=x
-1=x
or
x=-1
Write a real-world problem with y=x(2)+2?
Answers
Answer:
Step-by-step explanation
the diving board is 2 ft then mike jumps 2 more ft off the diving board how high was mike off the ground after he jumped
Terrible at math. Anyone out there smart in math
Answers
Answer:
A, C, E
Step-by-step explanation:
You can put A, C, and E in the blank.
Answer:
A
Step-by-step explanation:
What does the sentence 120+n=-60 tell you
Answers
Answer:
It tells me that n=-180
Step-by-step explanation:
