Answer:
-3x^2-3x+2
Step-by-step explanation:
3x^2+3x-1+(-3x^2-3x+2)=1
3x^2+3x-1-3x^2+3x+2=1
CAN SOMEONE HELP PLEASE?
Answer:
D
Step-by-step explanation:
Please help with this question, thank you.
Eighteen people are in a room. What is the minimum number of handshakes to occur to
guarantee that everyone has shaken everyone else's hand?
Answer:
153
Step-by-step explanation:
if im correct plz mark me brainliest!
Taylor and Anya live 63 miles apart. Sometimes on a Saturday, they ride their bikes toward each other's houses and meet somewhere in between. Taylor is a very consistent rider - she finds that her speed is always very close to 12.5 miles per hour. Anya rides more slowly than Taylor, but she is working out and so she is becoming a faster rider as the weeks go by. On a Saturday in July, the two friends set out on their bikes at 8 am. Taylor rides at 12.5 miles per hour, and Anya rides at 5.5 miles per hour. After one hour, how far apart are they?
Answer:
Answer should be 45 tell me if i am wrong!
Step-by-step explanation:
I can't figure out d - 11
Answer: d = 17
Step-by-step explanation:
d - 11 = 6
So, by adding 11 to each side you'd get rid of the -11 on the left and isolate the variable
d = 17
Toms weekly salary increased from $240 to $270. what was the percent of change?
Answer:
12.5%
Step-by-step explanation:
Answer:
12.5%
Step-by-step explanation:
So you notice $240 to $270 increased $30. So take 30 divided by 240 to find the percent and add back to 240 to see if it makes 270. :)
The distance around the outside of cedar parks is 0.8 miles joanie ran 0.25 of the distance during her lunch break how far did she run
Answer:
If the total distance is 0.8km we need to multiply that amount by the proportion that she ran, which was 0.25 (one quarter or 25%). So 0.8km x 0.25 = 0.2km Looking another way, the word 'of' often means the same as 'multiply', so 0.25 of 0.8km = 0.25 x 0.8km = 0.2km Joanie ran a total of 0.2 km during her lunch break.
Step-by-step explanation:
Please help asap ! Identify the value of x.
Answer:
x = 24
Step-by-step explanation:
Apply Pythagoras theorem:
[tex](Hypotnuse)^2=Base^2+Height^2\\(x+1)^2=(x)^2+(7)^2\\(x)^2+2(x)(1)+(1)^2=x^2+49\\x^2+2x+1=x^2+49\\x^2-x^2+2x+1-49=0\\0+2x+1-49=0\\2x-48=0\\2x=48\\x=48/2\\x=24[/tex]
solve 3/2 - 11/4
please anwser
Answer:
-1 1/4
Step-by-step explanation:
Answer:
-5/4
Step-by-step explanation:
3/2 into 6/4 to make the same denominator then do 6/4 - 11/4 which is -5/4
Me ayudan por favor
Answer:
yo no se puerdon
Step-by-step explanation:
ILL GIVE BRANLIEST AND MANY POINTS
Percent change formula:
C = x - x
2 1 / x
1
To calculate percent change we need to take the difference between the starting value and final value, divide by the absolute value of the starting value, and multiply the result by 100.
1. 72 is a 33.333% decrease of 108. Round is 33%.
2. 90 is a 20% increase of 75. Round is 20%.
3. 49 is a 75% increase of 28. Round is 80%.
tHE SPEED OF SOUND IN AIR IS 1100 FEET PER SECOND. THE SPEED OF SOUND IN STEEL IS 1500 FEET PER SECOND. ROBIN ONE EAR PRESSED AGAINST THE RAILROAD TRACK, HEARS A SOUND THROUGH THE RAIL SIX SECONDS BEFORE HEARING THE SAME SOUND THROUGH THE AIR. TO THE NEAREST FOOT HOW FAR AWAY IS THE SOURCE OF THAT SOUND
To the nearest foot the distance of source of that sound is 24,750 feet.
Given that;
Speed of sound in air = 1100 feet per second
Speed of sound in steel = 1500 feet per second
Time difference = 6 seconds
We have to find the nearest foot for the distance of source of that sound.
What is relation between distance, speed and time?
The relation between distance, speed and time is;
Speed = Distance/Time
We have;
Time difference = 6 seconds
Let the distance = x feet.
For the air;
Distance = x feet
Speed of sound in air = 1100 feet per second
Then, Time = Distance/speed = x / 1100
And, For steel ;
Distance = x feet
Speed of sound in steel = 1500 feet per second
Hence, Time = Distance/speed = x/1500
Since, Time difference = 6 seconds
Hence, The equation become;
x / 1100 - x/1500 = 6
(1500x - 1100x)/1100*1500 = 6
400x = 6 * 1100 * 1500
x = 24,750 feet.
Hence, To the nearest foot the distance of source of that sound is 24,750 feet.
Learn more about the distance, speed and time visit:
https://brainly.com/question/2264091
#SPJ1
What number am I thinking of from 1-10?
(will give brainliest to whoever gets it right!)
Answer:1-2-3-4-5-6-7-8-9-10
Step-by-step explanation:
Achievement Unlocked:Cheat The System
the ratio of the number of knives to the number of forks on a table
Answer:
is this including an appatizer fork? if not, then it's 1/1 if it is then it's 1/2
Step-by-step explanation:
Antonio baked 150 muffins. Of all the muffins he baked, 46% of them were blueberry. How many blueberry muffins did Antonio bake?
(NEEDS TO BE ANSWERED TODAY)
Answer:
69
Step-by-step explanation:
hope this helps :)
Answer:
69!
Step-by-step explanation:
Hope i helpedhave a nice day
Can someone please help me graph this
Three of the thirty computers are out of service (not working). What percent are working?
Answer:
Percentage of computers working equals:
90%
Step-by-step explanation:
Three of the thirty computers are out of service.
Number of computers working=30-3=27
Total computers=30
Percentage of working computers=
=
= 90%
Hence, Percentage of computers working is:
90%
Answer :
90%
Step-by-step explanation:
3/30 = 10% and the remaining percent is 90%
5. = 3 + 4w, 3 is which of the following
a Constant
Dependent Variable
Independent Variable
Coefficient
Answer:
i think 5 is constant if
The function f(x) = x^3
has been transformed, resulting in function m.
m(x) = 1\3x^3 + 6
As x approaches positive infinity,
m(x)
approaches___
As x approaches negative infinity, m(x) approaches____
Answer:
1. positive infinity
2. negative infinity
Step-by-step explanation:
I just answered this question and got it right
Answer:
A. positiveB. NegativeStep-by-step explanation:
platoFind the quotient.
-245 - 35
a. -7
b. - 5
C. 5
d 7
a. -7 is your answer dear.
Step-by-step explanation:
Ur complete Question is like -245/35 = -7
An amusement park sold 6 discount tickets and 54 full-price tickets. What percentage of the
tickets sold were discount tickets?
Answer:
10%
Step-by-step explanation:
54 + 6 = 60
6/60 = 1/10 = 10%
(I NEED THIS DONE ASAP PLEASE) Lena wants to plant a new lawn, but she knows that it’s not safe to run a mower on a hill with a slope ratio steeper than 1 to 3 (Δy = 1, Δx = 3). She has two hills in her yard. Hill A rises 4 feet and has a horizontal distance of 85 feet. Hill B rises 75 feet and has a horizontal distance of 200 feet. On which hill(s) can Lena safely plant her lawn? Justify your reasoning clearly
Answer:
Hill AStep-by-step explanation:
Steepness of hill A:
4/85 < 1/3Steepness of hill B:
75/200 = 3/8 > 1/3The hill A is less sloped so it is safer to lawn plant
The width of a rectangle is three more than twice the length. The perimeter is 96 inches. Find the length and the width.
Answer:
The length of the rectangle is 15 inches and the width is 33 inches
Step-by-step explanation:
The dimensions for the rectangle are as follows:
L=L and W=2L+3
The equation for perimeter of a rectangle is:
P=2l+2w
To Solve:
1. Plug values into perimeter equation
96=2(L)+2(2L+3)
2. Simplify the equation above.
96=2L+4L+6
3. Combine like terms:
96=6L+6
4. Solve for L by subtracting 6 from both sides:
90=6L
5. Solve for L by dividing both sides by 6:
15=L.
6. Plug 15 into the equation for the width:
2(15)+3=w
30+3=w.
if a jigsaw puzzle is priced 17.00 but cost 17.68 at the register what is sales tax rate
Answer:4%
Step-by-step explanation:
From the question, we are informed that a jigsaw puzzle is priced 17.00 but cost 17.68 at the register. This means that the sales tax is (17.68 - 17.00) = 0.68.
Therefore, the sales tax rate will be calculated as:
= (0.68 / 17.00) × 100
= 4%
The sales tax rate is 4%
An astronomer hosts a stargazing party for $775. If the group tips the astronomer 15%, what is the total amount that the astromoner earns for the stargazing party
Answer:
891.25
Step-by-step explanation:
775x0.15=116.25
775+116.25=891.25
5166
Step-by-step explanation:
775 divided by 15% is 5166 i hope im right
In triangle ABC,the measure of angle A is 78° and the measure of angle B is 35° What is the measure of angle C
Answer:
č= 67°
Step-by-step explanation:
x + 78+35=180
x + 113=180
x= 180-113
x= 67 degrees
Height of place A is 1800 m above sea level. Another place Bis 700mbelowsea level. What is the difference between the levels of these places?
Answer: 2500 m
Step-by-step explanation:
A is located above 1800 m
B is located below 700 m
Sea level is the datum.
So, difference between A & B = 1800 + 700 = 2500 m
someone please help??????
Answer:
[tex]a) x=15\\b) AD\ is\ not\ parallel\ tp BC[/tex]
Step-by-step explanation:
[tex]As\ we\ know\ that,\\Angle\ D=3x\\Angle\ A=2x\\Angle\ B=90\\Angle\ C=x\\The\ Angle\ Sum\ Property\ Of\ A\ Quadrilateral\ states\ that\ the\ sum\ of\ all\\ the\ interior\ angles\ of\ a\ quadrilateral\ is\ 180.\\Hence,\\ \angle D+ \angle A + \angle B + \angle C=360\\3x+2x+90+x=180\\3x+2x+x=180-90\\6x=90\\x=15\\Hence, x=15[/tex]
[tex]Hence,\\As\ Angle\ A\ and\ Angle\ B\ are\ co-interior\ angles, if\ they\ are\\ supplementary\ then\ AD \parallel BC.\ Lets\ check\ that\ out.\\Hence,\\Angle\ A=2x=2*15=30\\Angle\ B=90\ [Given]\\Hence,\\As\ 90+30\neq 180,\\Angle\ A +Angle\ B\neq 180\\Hence,\\As\ Angle\ A and\ Angle\ B\ are\ not\ supplementary, AD\ will\ not\ be\ parallel\ to\ CB.[/tex]
Which expression is equivalent to StartFraction RootIndex 4 StartRoot 6 EndRoot Over RootIndex 3 StartRoot 2 EndRoot?
Answer:
C
Step-by-step explanation:
used a calc and took test
P= 2.50n - 300
How many candy bars must be sold to make a profit of $500?
Answer:
I need the answer
I dont know!!
Step-by-step explanation: