Answer:
2x + 1 = 11.
2x + 1 - 1 = 11 - 1 (subtracting both sides by the same number)
2x = 10.
2x/2 = 10/2 (dividing both sides of the equation by the same number)
x = 5.
Step-by-step explanation:
hope it helps
x^3 - 3x^2 + 4x - 12
Answer:
(x^2 + 4)(x - 3).
Step-by-step explanation:
I'm guessing you want to factor this.
You can do it by grouping:
x^3 - 3x^2 + 4x - 12
= x^2(x - 3) + 4(x - 3)
= (x^2 + 4)(x - 3).
So if y varies directly as x, and y=21 when x=3. What is x when y=42?
Answer:
x = 6
Step-by-step explanation:
Equation:
[tex]\frac{3}{21} = \frac{x}{42}\\\\Cross - multiply\\\\3 *42 = 21x\\\\126 = 21x\\\\x = 6[/tex]
-Chetan K
Given that a randomly chosen flight arrives in Atlanta (ATL), what is the probability that it arrives on time?
Using the given percentage, it is found that there is a 0.877 = 87.7% probability that it arrives on time.
A probability is the number of desired outcomes divided by the number of total outcomes.Over a large sample, a percentage can be interpreted the same as a probability.In this question, over a large number of flights, 87.7% arrive on time in Atlanta. Hence, there is a 0.877 = 87.7% probability that it arrives on time.
For more on probabilities, you can check https://brainly.com/question/15536019
The sale price of a swimming pool after a 18.5% discount is $1189.90. Find the original list price of the pool.
Answer:
1460
Step-by-step explanation:
18.5% of 1460 = 270.1
1460 - 270.1 = 1189.9
what is the largest factor that can be identified in the fraction 102/150
A. 6
B. 7
C. 11
Calculate the standard deviations of the plant weights in each group. Is the equal population standard deviation met
Answer: How would i know what im calculating?
Step-by-step explanation:
PLS HELP ASAP ILL GIVE BRAINLKEST
Answer:
4th option
Step-by-step explanation:
Can someone help me with this question
Answer:
A. x=-2
Step-by-step explanation: your welcome
YES I AM GIVING A BRAINLIST:D
Answer:
IM fINNA GUESS B
Step-by-step explanation:
Choose the equation that has m = 5 as the solution.
m + 4 = 20
m – 3 = 8
22 + m = 25
12 = m + 7
help please i dont get it
Answer:
Well apparently you don't know your Alphabet
Step-by-step explanation:
So it is
A.B.C.D.E.F.G.H.I.J.K.
The correct order is ABCH.
What is Order of Letters?Arrangement according to the normal order of the letters in the alphabet.
Given that a puzzle
The correct order of alphabets to reach the key is ABCH.
Hence, the answer is ABCH.
For more references on Order of Letters, click;
https://brainly.com/question/1480667
#SPJ2
what is the unit rate if there are 80 miles driven using 4 gallons of gas
A. 21 miles per gallon B. 20 miles per gallon
C. 22 miles per gallon D. 19 miles per gallon
Ms. Suzuki is buying soda for the pizza party her class earned. She estimates that each of her
24 students will drink 250 milliliters of soda on average. How many 2-liter bottles of soda
should she buy?
Answer:
6
Step-by-step explanation:
250 mL is 0.25 L or 1/4 L.
1 L is enough for 4 students.
A 2-L bottles is enough for 8 students.
Since 24 students is 3 times 8 students, you need 3 times a 2-liter bottle.
Answer: 3
Find the perimeter. Simplify your answer.
Answer:
p=1 2 + 2
Step-by-step explanation:
The sports boosters club is having a bake sale to buy uniforms. They want to raise $250. They need to rent a booth for $20. How many dozen cookies will they need to sell if they charge $3 per dozen?
Which equation could be used to solve this problem?
A: 250 = 3 c - 20
B: 250 = 20 - 3 c
C: 250 = 3 - 20 c
D: 250 = 20 c - 3
Answer: A: 250 = 3c - 20
Step-by-step explanation:
A: 250 = 3c - 20
To reach their final stash of $250, they need to sell c cookies at $3 each, less the $20 for the booth.
Use cross multiplication to figure this out. (What does xy = )
.78x/7 = 19/4y
Answer:
xy = 42.6282051282...
Step-by-step explanation:
0.78x/7 = 19/4y
0.78x * 4y = 3.12xy
19 * 7 = 133
3.12xy = 133
3.12xy/3.12 = 133/3.12
xy = 42.6282051282...
help me with this question please!!ASAP
7200(3)2t+2 write an equivalent function of the form W(t)=ab^t
im sorry i dont understand what u r asking but here is what i think u are asking?
43200t+2?
Jillian was able to fill exactly 4 paper cups from 24 ounce bottle .At what rate how many cups can she expect to fill from a 66 ounces bottle?
Three times a number is three more than twice the number. Which equation can be used to find the value of x, the unknown number? 3x = 3 2x x = 3 2x 3x 3 = 2x 3x = 3 2 x.
Answer:
A
Step-by-step explanation:
Elena collects 112 specimens of beetle and records their lengths for an ecology research project. When she returns to the laboratory, Elena finds that she incorrectly recorded one of lengths of the beetles as 122 centimeters (about 4 feet). What should she do with the outlier, 122 centimeters, when she analyzes her data?
please help me, this isn't a (a) (b) (c) (d) option I need a full explanation
40 POINTS!!!
Answer:
The correct option is;
C. She should go back and remeasure all of her specimens again to find the error. If she can't do this, she should eliminate the outlier from the analysis, because this is an error in recording
Step-by-step explanation:
In order to minimize error in measurement, some valuable steps includes;
1) Perform a double check on all measurements to ensure that the measurements recorded are accurate
2) Ensure proper training before taking measurements
3) Measurements should only be taken under controlled conditions
4) Separate the entire population into smaller groups for proper recording
5) Have a second observer double check the records
Elena should remove the outlier of 122 centimeters (about 4 feet) from her dataset during data analysis due to its significant deviation from the typical lengths of beetles.
When analyzing her data, Elena should consider removing the outlier of 122 centimeters (about 4 feet) from her dataset. The Outlier is defined as a "data-point" which significantly deviates from the overall-pattern of the data.
In this case, the recorded length of 122 centimeters is likely an error or anomaly, as it is much larger than the typical lengths of beetles. Removing the outlier will help ensure that her analysis and conclusions accurately reflect the majority of the data and the actual behavior of the beetles.
Learn more about Outliners here
https://brainly.com/question/24583510
#SPJ3
17. A store is advertising the following sale:
[Tomato Soup-- 4cans for $0.98]
To the nearest cent, how much would five cans of tomato soup cost? (show work to prove answer)
(A)- $0.25
(B)- $1.23
(C)- $2.45
(D)- $4.90
Answer:
Step-by-step explanation:
Answer:
(B)
Step-by-step explanation:
4 cans - $0.98
1. $0.98/4 = $0.245 will cost 1 can
2. $0.245 × 5 = $1.225 will cost 5 cans
so $1.225 = $1.23
so the answer is B
Write the equation of the line that passes through the points (-8,3) and (0,2). Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal line.
Answer:
[tex]y = \frac{1}{8} x + 2[/tex]
What is the solution to the system of equations?
V
스를
2
X +3
X = -2
ㅇ(-2,-1)
ㅇ(2)
0
11
0
아2를
Step-by-step explanation:
x = -2
is a given.
now use this also in the first equation :
y = 2/3 × -2 + 3 = -4/3 + 9/3 = 5/3
so, [-2, 5/3] is correct
Please can someone help with rearranging formulae? Will mark brainliest!
Answer:
look at the picture ..........
pls someone help me with this ixl question
Hi!
(5+d)+(-8)=(5+d)-8
Hence, this is the required solution.
~SparklingFlower :)
please help and show your work please
Answer:
[tex]m=-8[/tex]
Step-by-step explanation:
[tex]2m+6=-10\\2m=-16\\m=-8[/tex]
Invisible Steps:
Subtract 6 on each side:
[tex]2m+6-6=2m[/tex]
[tex]-10-6=-16[/tex]
Divide by 2 on each side:
[tex]2m[/tex] ÷ [tex]2=m[/tex]
[tex]-16[/tex] ÷ [tex]2=-8[/tex]
for a brainlist please answer
Answer:
The variable should not be Less than or equal to... it should be GREATER than or equal to [[tex]y\geq 2x-4[/tex]]
Step-by-step explanation:
Answer:
I believe her mistake is that the shaded area is on the wrong side of the line.
Step-by-step explanation:
HELP PLEASE ASAP WILL GIVE BRAINLIEST
Farmer Hopt started with some alabers on her farm. She had 90 alabers after 5 months. After 16 months, she had 167 alabers. Assume a constant rate of change.
Write an equation in slope-intercept form for total alabers, y, after x months.
Answer:
[tex]y= 11x+35[/tex]
Step-by-step explanation:
Let's find the slope first. It took hopt 11 months (from 5 to 16) to grow 77 trees. It means that each month he grew [tex]\frac{77}{11} = 7[/tex] trees.
At this point you can use the point-slope form and re-write the equation or, let's think about it. It's a direct proportion. If at month 5 she has 90 trees, one month earlier she had 11 less. two month earlier, 22 less. 5 month earlier, or at x = 0 (ie, our intercept!) she had 55 less trees, or 90-55 = 35 trees
The equation is then [tex]y= 11x+35[/tex]
Corey concluded that the remainder of (3x3 + 8x2 - 4x - 3) + (x + 2) is 45.
What error did he make?
Answer:
-8
Step-by-step explanation:
3×3=9+
8×2=16=
(9+16_4×-3)+(×