Answer:
D
Step-by-step explanation:
Answer:
D) 27.98
Step-by-step explanation:
All you have to do is subtract, have a nice day <3
In science class, a student is measuring the temperature of a solution in science experiment. The solution
started at -3.4 degrees. After two minutes the temperature had increased 12.4 degrees. After a few more
minutes, the temperature decreased 20.4 degrees. After one more minute the temperature increased by
3.2 degrees. What is the final temperature?
Answer:
-11.8
Step-by-step explanation:
Given:
-3.4 to 12.4 increased (difference = 15.8)
12.4 to 20.4 decreased (difference = 8)
20.4 to 3.2 increased (difference = 17.2)
To find:
Final temperature.
Solution:
As we noticed, this is a pattern of increase, decrease, increase... (and so on and so forth). From this alone, we have gotten the clue that the temperature is going to decrease. But here is the thing, How far will it decrease?
Use the difference of the starting result to find the ending result.
3.2 - 15
= -11.8
Therefore, the final temperature is -11.8.
It takes Rick, traveling 36mph, 40 minutes longer to go a certain distance than it takes Evelyn traveling at 84mph. Find the distance traveled
d = r · t and we know that the distance is the same.
Let x = time it takes Evelyn (in hours, since the rate is mph).
Evelyn's distance is 84x.
Rick's distance is 36·(x+2/3) since 40 minutes longer is 2/3 of an hour longer
84x = 36(x+2/3)
84x = 36x + 24
48x = 24
x = 1/2
So it takes Evelyn 1/2 an hour, meaning the distance is 84(1/2) = 42 miles
To confirm this, it would take Rick 42/36 hours or 1 and 1/6 hours. That's 70 minutes, which is 40 minutes longer than Evelyn's 1/2 hour trip.
The distance is 42 miles.
PLEASE HELP ME NO LINKS PLEASE
Answer:
Step-by-step explanation:Class 1 :
mean= 78.83(rounded) median=88 range= 55
Class 2:
mean= 79.42 (rounded) median=85.5 range= 60
Class 3:
mean= 79.42 (rounded) median=78 range =45
WILL MARK BRAINLIEST <3 Each of the letters in the word "HANDIWORK" are on separate cards face down on the table. If you pick a card at random, what is the probability that the letter on it will fall between "F" and "Q" in the alphabet?
5/9
3/9
1/2
7/9
The probability that the letter on it will fall between "F" and "Q" in the alphabet is 5/9. Option A is correct.
Probability is the likelihood or chance that an event will occur.
Probability = Expected outcome/Total outcome
Given the word "HANDIWORK", the total letters in the word are 9 letters.Total outcome = 9 lettersFor the number of events, we will have to find the letters between F and Q in the "HANDIWORK". The letters are n(E) = {H, N, I, O, K}Hence n(E) = 5Pr(the letter on it will fall between "F" and "Q" in the alphabet) = 5/9
Hence the probability that the letter on it will fall between "F" and "Q" in the alphabet is 5/9
Learn more here: https://brainly.com/question/13604758
how do you factor 3x^2-3x-90
3x^2 - 3x -90
=3 (x^2 - x -30)
=3 (x^2 −6x+5x−30)
=3(x(x−6)+5(x−6))
=3(x−6)(x+5)
answer this problem with the picutre
Answer:
75
Step-by-step explanation:
If we go from the bottom to the line that averages the sold cones by temperature (I forget its exact name), and then go to the left from that exact spot, it appears to be 75 cones.
due right now help ill mark you brainly if its correct
Answer:
all but 1/6
Step-by-step explanation:
Answer:
2/6 3/9 4/12 are the answers
what's the sum of 14 12 8 6
Answer:
40
Step-by-step explanation:
14 + 12 + 8 + 6 = 40
Answer:
40
Step-by-step explanation:
14+12=26+8=34+6=40
A machine packs 180 boxes of cereal in a half-hour. It takes 55 minutes to pack 330 boxes. True or False?
George has four boards that are each 43 feet long and two that are 5.75 feet long.
What is the total length of all the boards together? Give your answer as a decimal.
Answer:
183.50 feet
Step-by-step explanation:
43*4=172
5.75*2=11.50
172+11.50=183.50
183.50 feet
aling mely bought 1 3/4kg of cashew nuts, 5/8 od peanuts, and 1 1/2 kg of pimnuts.how many kilogram of nuts did she buy.
Answer:
Aling Mely buy 31/8 kg or 3.875 kg or 3 7/8 kg of nuts.
Step-by-step explanation:
Answer:
Step-by-step explanation:
[tex]1 \dfrac{3}{4}+ \dfrac{5}{8}+ 1\dfrac{1}{2} = \dfrac{7}{4}+ \dfrac{5}{8} + \dfrac{3}{2}\\\\\\LCM = 8\\\\= \dfrac{7*2}{4*2}+ \dfrac{5}{8}+ \dfrac{3*4}{2*4}\\\\\\= \dfrac{14}{8}+ \dfrac{5}{8}+ \dfrac{12}{8}\\\\\\= \dfrac{14+5+12}{8}= \dfrac{31}{8}\\\\\\= 3 \dfrac{7}{8} \ Kg[/tex]
90 degree angle is divided into two sides
Answers:
3x + 40 =64
4x - 6 =26
Step-by-step explanation:
So we are dealing with 2 complementary angles with both add up to 90 degrees. We can write an equation that shows this:
(3x+40) + (4x-6) = 90
Combine like terms
7x + 34 =90
Isolate x
7x = 56
x = 8
Now that we found x, all we have to do is substitute it in the equations:
3x + 40 = ?
3(8) +40 = ?
24+40 = ?
64 = ?
4x - 6 = ?
4(8) - 6 = ?
32 - 6 = ?
26 = ?
Answer:
3x+40= 66
4x-6= 26
Step-by-step explanation:
3x+40+4x-6=90˚ (because the square on the angle represents a 90˚)
Add 4x and 3x
Which is 7x
40 minus 6 is 34
The equation now looks like this:
7x+34=90˚
Subtract 34 on both sides:
7x=56
Divide 7 on both sides:
x=8
For 3x+40
Substitute x with 8
the equation now looks like this:
24+40 Which is 66
For 4x-6
4 times 8 is 32
32 minus 6 which is 26
Hope this helps!
(20 points!!!)
Alanna is going shopping for Goggles and food.
The cost of Goggles is $15 and the cost of each food item is $5.
If Alanna can spend at most $55, how many food items can be purchased?
Write an inequality of the form Ax + B ≤ C to represent the word problem using your answers for A, B, and C. Solve the inequality and show your work.
Graph the solution to your inequality on a number line or describe, in words, how to graph the inequality on a number line.
Explain what the solution means in the context of the word problem.
Answer:
(20 points!!!)
Alanna is going shopping for Goggles and food.
The cost of Goggles is $15 and the cost of each food item is $5.
If Alanna can spend at most $55, how many food items can be purchased?
Write an inequality of the form Ax + B ≤ C to represent the word problem using your answers for A, B, and C. Solve the inequality and show your work.
Graph the solution to your inequality on a number line or describe, in words, how to graph the inequality on a number line.
Explain what the solution means in the context of the word problem.
Write y - 3 = 1/3(x - 12) in standard form
Step-by-step explanation:
y-3=1/3x -4
add add four
y+1=1/3x
divide 1/3 into 1
y+3=x
Answer:
x - 3y = 3
This is the answer in standard form.
Four less than the product of a number and 8 is twice the sum of the number and 10 what is the number
Answer:
x=4
Step-by-step explanation:
Four less than the product of a number and 8:
8x−4
is twice the sum of the number and 10, so
8x−4=2(x+10)
Simplify.
8x−4=2x+20
Add 4 to both sides, which is
8x=2x+24
Subtract 2x from both sides:
6x=24
Divide 6 from both sides to isolate the x
x=4
-how I got 20
8x-4=2(x+10) x=8 so 8+10=18 18+2=20
also sorry for posting the answer in the comments and then making an answer after you saw i just wanted da points and hope it helped you :)
What is the other 0 of the quadratic function
Answer: Unknown
Step-by-step explanation:
-b+/-√b^2-4ac/2a < plug a b and c into this equation and boom done ez
Which angle is adjacent to <1?
Sixth grade math please in K12
Item 3
Divide.
5892 ÷ 18
327
327 1/18
327 1/3
327 7/18
Help is apricated
Answer:
327r6
Step-by-step explanation:
Too long, if you really need it, comment on this answer.
A new company president is said to have caused the company "to do a 180." Before the new president, the company was losing 10,000 per month .What is the company most likely doing under the new president?
Answer:
Earning 10,000 per month.
Step-by-step explanation:
Since a "180" usually refers to an opposite, the opposite of "losing 10,000 per month" would happen.
So, the company would be earning money instead of losing money.
Help help help help help
Answer:
x>22
Step-by-step explanation:
3(x+4)>18
3x+12> 54
3x>66
x>22
Learn with an example
or
Watch a tutorial
Que:
ansv
Find the slope of the line that passes through (9, 3) and (2,8).
Simplify your answer and write it as a proper fraction, improper fraction, or integer.
simplify 3 wholes 6/8 + 2 wholes 2/8
Answer:
5/1
Step-by-step explanation:
3.75 + 2.25 = 5
5 = 5/1
Find the value of y for the given value of I.
y=x/2 + 9;x = -12
9514 1404 393
Answer:
y = 3
Step-by-step explanation:
Put the value where the variable is and do the arithmetic.
[tex]y=\dfrac{x}{2}+9\\\\y=\dfrac{-12}{2}+9=-6+9\\\\\boxed{y=3}[/tex]
your family have decided to paint your room. It took 1/2 hour to paint 1/8 of your room. How long will it take to paint your whole room?
Answer:
4 hours
Step-by-step explanation:
In 6 hours, J paints 1 room
So, in 1 hour, J paints 1/6 th of the room
Using similar logic, in 1 hour, T paints 1/12 th of the room.
Working together in one hour, they paint (1/6+1/12) th =1/4 of the room.
1/4 of the room is painted in 1 hour
So, 1 room is painted in 1 1/4=4 hours
Answer:
Step-by-step explanation: 1/7
Please help asap! really important!!
Answer:
4th graph
6th graph
3rd graph
Step-by-step explanation:
Linear = y = x + 3
it is 4th graph
when you substitute x = 0 y is 3
and when y = 0 x is -3
Quadratic = y = 3x^2
It is 6th graph
for both positive and negative values of x, y is rapidly increasing
Exponential = y = 3^x
it is 3rd graph
for x = 0 y value is 1 because 3^0 = 1
for positive values of x, y is exponentially rising
for negative values of x it is nearly almost touches zero
Find (gxf) when f(x)=5x-7 and g(x)=2x+3
Answer:
10[tex]x^{2}[/tex]+x-21
Step-by-step explanation:
you just do (5x-7)(2x+3) and foil it out
What is the opposite of 8/7
Answer:
7/8
Step-by-step explanation:
i know
Answer:
7/8 XD
Step-by-step explanation:
Someone help for #36 please
After all the taxes are withheld, Jules's take home pay is about 72% of his total earnings. Estimate his take home pay if his total earnings for the pay period are $240.
Answer:
172.8
Step-by-step explanation:
72% of 240 is 172.8
You can estimate it by rounding 172.8 to $173
Jules's take $173 for home pay.
What is Percentage?
A relative value indicating hundredth part of any quantity is called percentage.
Given that;
Total earning of Jules's = $240
He take home pay is about 72%.
Now,
Amount for take home pay = 72% of $240
It can be solve as;
72% of $240
72% × 240
72/100 × 240
72/10 × 24
172.8
After estimating we get;
Amount for take home pay = $173
Thus, Jules's take $173 for home pay.
Learn more about the percentage visit:
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Please answer
A=
B=
C=
Answer:
I can't see the file
Step-by-step explanation: