Answer:
2a²+3a-2
Step-by-step explanation:
(3a-2a²-1)-(-2a²-2a²+1)
3a-2a²-1+2a²+2a²-1
2a²+3a-2
Answer:
if you are simplifying the answer is -2a^2 + 3a-1
Step-by-step explanation:
find the sum of 9a^2/a and 7a^2/a
Answer:
16a
Step-by-step explanation:
9a^2/a=9a
7a^2/a=7a
9a+7a=16a
?????????????????????
Answer:
0 and 4
Step-by-step explanation:
Last Friday Trevon had $29. Over the weekend he received some money for cleaning the attic. He now has $41. How much money did he receive?
A. 29 - n = 41
B. 29 - n = 40
C. 29 + n = 41
D. 29 + n = 40
Answer:
C
Step-by-step explanation:
Trevon started with $29.
After cleaning, his total rose to $41.
Since he received money, we add that amount (n) to his initial amount of money ($29), to equal his total amount ($41)
140 % of what number is 14?
0.1
19.6
10
0 1,000
Help
Answer:
10
Step-by-step explanation:
I simply divided 140/14 and got 10! Hope this helps :)
The 140 percentage of the number 10 is 14
Given data ,
To find the number that is 140% of another number, we can set up the equation:
140% of x = 14
So , 140 percentage of the number x = 14
To solve for x, we need to convert 140% to its decimal form, which is 1.40:
1.40 * x = 14
Now we can solve for x by dividing both sides of the equation by 1.40:
x = 14 / 1.40
Dividing 14 by 1.40 gives us:
On simplifying , we get
x = 10
Therefore , the value of x = 10
Hence , 140 percentage of 10 is equal to 14
To learn more about percentage click :
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what is a linear equation that is perpendicular to y=5
Anyone know the answer !
Answer:
Step-by-step explanation:
Ms. Miller bought burgers for her math students. She paid $39.78 for all burgers. She has 17 students in her class. Choose a variable to represent the cost of one burger, and write an expression for this.
I will give brainliest to the best answer, please answer quickly.
Answer:
The variable that will represent the cost of one burger will be "b".
The equation is $39.78/17=b
Answer is $2.34
Step-by-step explanation:
Find out how many students she has.
Find out how much she paid for all burgers.
Divide amount she paid for all the burgers by the amount of students she has.
Finally, you have your answer.
Quentin can read 18 pages of a book in 2 hours. How many pages can he read in 10 hours? PLEASE HELP ASAP FOR 17 POINTS!
Answer:
90 pages in 10 hours :)
Answer:
90 pages
Step-by-step explanation:
First, you need to find the unit rate of how many pages he can read.
So, you divide 18 pages by 2 hours = 9 pages per hour.
Then, you multiply 9*10 hours to find out how many pages he will read in 10 hours.
You get 90.
Jen has one rope that is 13 1 8 feet long and another that is 21 3 4 feet long. Kelsey has a rope that is 35 1 2 feet long. Which of the following shows who has more rope and how much more? A. Jen has 5 8 feet more rope. B. Jen has 1 5 8 feet more rope. C. Kelsey has 5 8 feet more rope. D. Kelsey has 1 5 8 feet more rope. you will get 15 or more points 5 stars brainisit if you are quick
Answer:
Kelsey has 5/8 feet more rope
Answer: C
Step-by-step explanation:
2.
There are 300 students in year 8
35% of the students in year 8 walk to school.
How many year 8 students do not walk to school?
How many cubes would it take to fill the box
Answer:
27359265815502254
Step-by-step explanation:
52758552
Please help me with this please!!
Answer:
D
Step-by-step explanation:
What is the slope of (-4,6) and (2,-5)
Answer:
-11/6
Step-by-step explanation:
Slope can be found with this equation:
(y₁ - y₂) / (x₁ - x₂)
What this essentially tells us to do is to put one set of the x and y coordinates into x₁ and y₁, respectfully. Then, put the other set of x and y points as x₂ and y₂.
With this scenerio, we can substitute the given points into the formula.
(6 - (-5)) / (-4 - 2) =
(6 + 5 ) / (-6) =
11 / (-6) =
-11/6
The slope is - 11/6
An adult earthworm was measured to be 31.5 inches long. (Yes, they really can be that
size!)
1 inch = 2.54 cm
100 cm = 1 m
Use the information above to convert this length into meters (m). (Round your answer
to the nearest hundredth.)
Answer:
0.80m
Step-by-step explanation:
first, convert the measurement into centemeters
31.5 x 2.54
=80.01cm
to convert cm to m divide the answer by 100
80.01/100
=0.8001
then round the answer to the nearest hundredth
=0.80m
i need the answer ASAP
Answer:
I'm pretty sure all except K but i might be wrong
Step-by-step explanation:
Answer:
F and H
Step-by-step explanation:
Im sorry if its wrong
Tony made $172.50 tutoring last weekend. He tutored for 7 1/2 hours. How much does Tony charge per hour to tutor?
Answer:
$23 an hour.
Step-by-step explanation:
divide 172.50 by 7.5
Solve 8W + 20 = 4
How do you solve this equation?
Answer:
W = -2
Step-by-step explanation:
8W + 20 = 4
=> 8W = 4 - 20
=> 8W = -16
=> W = -16 / 8
=> W = -2
Hope it helps :)
Please mark my answer as the brainliest
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PLSSSS SHOWWW THE WORKKK!!!!
answer: [tex]2^{3} a^{3} b^{12}[/tex]
steps:
you multiply each variable by 3.
example being: 2 x [tex]x^{3}[/tex] is [tex]2^{3}[/tex]
you do this with each of them
hope this helps! <3
How much money would Mrs.
Carthill save by buying 30 20-
pack boxes of lemon ice-blocks
priced at $14 per box instead
of 100 6-pack boxes priced at
$5.40 per box?
Mrs. Carthill saved $120
The radius of a circle is 10 feet. What is the area of a sector bounded by a 45° arc?
Answer:
39.25 square ft
Step-by-step explanation:
[tex]Area \: of \: sector = \frac{45 \degree}{360 \degree} \times \pi {r}^{2} \\ \\ = \frac{1}{8} \times 3.14 \times {10}^{2} \\ \\ = \frac{3.14 \times 100}{8} \\ \\ = \frac{314}{8} \\ \\ = 39.25 \: {ft}^{2} [/tex]
Work out the surface area of this cylinder.
8 cm
+
16.8 cm
Answer:
Can someone pls help me with mine
Step-by-step explanation:
Answer:
Step-by-step explanation:
You may get a bit help from this...
Hope so
:D
There are twice as many children as adults attending a family reunion. Which fraction of the family members at the reunion are adults? PLEASE HELP!! I WILL GIVE 18 BRAINLEST POINTS!
Answer:
1/3
Step-by-step explanation:
let a = adults
so then 2a = children
a/2a(+a) = a/3a
2. Write the matching multiplication fact. 7 + 7 + 7
Answer:
3x7
Step-by-step explanation:
7 + 7 + 7 is 3 x 7 because 7x3=21 and 7+7+7=21
Find the nouns pls thanks
Answer:
1.Martin
2.Dining table
3.The children
4.Dishwasher
Step-by-step explanation:
Noun is a name of a person, place, animal, or a thing.
Stay safe, stay healthy and be blessed.
Thank you.
Select all the correct answers. Exponential function f is represented by the table. x 0 1 2 3 4 f(x) -12 -4 0 2 3 Function g is represented by the equation. g(x)=-12(1/3)^x Which statements are true about the two functions? Both functions are increasing on all intervals of x. The functions have the same y-intercept. Both functions approach the same value as x approaches ∞. Both functions approach -∞ as x approaches -∞. The functions have the same x-intercept.
Answer:
Both functions are increasing on all intervals of x: True
Both functions have the same y intercept: True
Both functions approach the same value as x approaches infinity: True
Both functions approach negative infinity as x approaches negative infinity: True.
The functions have the same x intercept: False, they have no x intercept.
Step-by-step explanation:
f(x) is stated to be an exponetial function, hence
[tex]f(x)=ab^{x}[/tex]
f(0) is given as -12, so
-12=a
f(1) is given as -4, so
-4=-12b
b=1/3
This implies that
[tex]f(x)=-12(\frac{1}{3})^{x}[/tex]
g(x) is stated to be
[tex]g(x)=-12(\frac{1}{3})^{x}[/tex]
Conclusion: the functions are identical.
Answer:
so the answers are
the functions have the same y-intercept
both functions approach negative infinity as x approaches infinity
both functions are increasing on all intervals of x
please hurry. 1. Calculate the grade point average: An A is considered 4.0, a B is 3.0, a C is 2.0, a D is 1.0, and an F is 0. If you received the following grades, what would be your grade point average? Round your answer to the hundredths place. Please show me how you got ur answer step by step
Course Credits Grade
Sociology 3.0 A
Calculus 4.0. F
New Student Seminar 1.0 C
Physics. 5.0. A
Answer:
b
Step-by-step explanation:
Jesse went to the store with a total of $45. He bought a
hat that cost $12, a hat for $10 and some ties. If each
tie cost $4. What is the most amount of ties he can buy?
asap pls
Answer: He can buy 5 ties
Step-by-step explanation:
12+10=22. 4x5=20. 22+20=42. If you add 1 more tie, you will have $46, so you cannot add one more tie. So the most amount of ties he can buy is 5 ties, with $3 left to spare.
One year, the population of a city was 127,000. Several years later it was 129,540. Find the percent increase.
Answer:
2%
Step-by-step explanation:
Answer: 2%
Step-by-step explanation: Method 1
Express the ending population as a percentage of the starting population:
127000 /129540= 1.02
1.02×100= 102%
Subtract the starting 100% to get the percent increase:
102%−100%= 2%
Which of the following is equal to the expression listed below?
35 + 14
A.(7+5)(7+2)
B.7(5+2)
C.7+(5 times 2)
D.(7 times 5)(7 times 2)
Need help ASAP will give brainliest
Answer:
Step-by-step explanation:
I think u have the right answer because on the graph im confused how he can spend 100 minutes studying and get lower than one he spent almost 65 minutes less on