Answer:
22x - 12
General Formulas and Concepts:
Pre-Algebra
Distributive PropertyAlgebra I
Combining Like TermsStep-by-step explanation:
Step 1: Define expression
5x - (-10x) - 4 - (-7x) - 8
Step 2: Simplify
Distribute negative: 5x + 10x - 4 + 7x - 8Combine like terms (x): 22x - 4 - 8Combine like terms (Z): 22x - 12Answer: 22x - 12
Step-by-step explanation:
5x - (-10x) -4 - (-7x) -8
The x’s are 5x + 10x + 7x = 22x
The numbers are -4 - 8 = -12
Combining these we get 22x - 12
The first jump in a unicycle high-jump contest is shown. The bar is raised 2 centimeters after each jump. Solve the inequality $2n+10\ge26$ to find the numbers of additional jumps needed to meet or exceed the goal of clearing a height of 26 centimeters.
Answer:
n ≥ 8
Step-by-step explanation:
Answer:
n ≥ 8
Step-by-step explanation:
a shoes store in philadelphia pays 28.75 for a pair of shoes. the store marks the item up 35%. the local sales tax is 8%. how much do the shoes cost?
Answer:
$41.11
Step-by-step explanation:
28.75 + (28.75 x 0.35) + (28.75 x 0.08)
Please mark brainliest and have a nice day
Full answer is 41.1125
25 POINTS
answer question 4 pleaseeeee
Answer:
a) The average rate of change for the function [tex]f(x)=4(2)^x[/tex] over interval x=1 to x=2 is 8
b) The average rate of change for the function [tex]f(x)=4(2)^x[/tex] over interval x=3 to x=4 is 32
Step-by-step explanation:
We are given function [tex]f(x)=4(2)^x[/tex]
We need to find Average rate of change
The formula used is: [tex]Average \ rate \ of \ change=\frac{f(b)-f(a)}{b-a}[/tex]
Part a) The interval is: x=1 to x=2
We have a= 1 and b=2
Finding f(a) i.e f(1)
[tex]f(x)=4(2)^x\\Put \ x =1\\f(1)=4(2)^1\\f(1)=4(2)\\f(1)=8[/tex]
Now finding f(b) i.e f(2)
[tex]f(x)=4(2)^x\\Put \ x =2\\f(2)=4(2)^2\\f(2)=4(4)\\f(2)=16[/tex]
Now finding average rate of change.
[tex]Average \ rate \ of \ change=\frac{f(b)-f(a)}{b-a}\\Average \ rate \ of \ change=\frac{16-8}{2-1} \\Average \ rate \ of \ change=\frac{8}{1}\\Average \ rate \ of \ change=8[/tex]
So, average rate of change for the function [tex]f(x)=4(2)^x[/tex] over interval x=1 to x=2 is 8
Part b)
The interval is: x=3 to x=4
We have a= 3 and b=24
Finding f(a) i.e f(3)
[tex]f(x)=4(2)^x\\Put \ x =3\\f(3)=4(2)^3\\f(3)=4(8)\\f(3)=32[/tex]
Now finding f(b) i.e f(4)
[tex]f(x)=4(2)^x\\Put \ x =4\\f(4)=4(2)^4\\f(4)=4(16)\\f(4)=64[/tex]
Now finding average rate of change.
[tex]Average \ rate \ of \ change=\frac{f(b)-f(a)}{b-a}\\Average \ rate \ of \ change=\frac{64-32}{4-3} \\Average \ rate \ of \ change=\frac{32}{1}\\Average \ rate \ of \ change=32[/tex]
So, average rate of change for the function [tex]f(x)=4(2)^x[/tex] over interval x=3 to x=4 is 32
Since the interval is increasing, so does our average rate of change increasing as function is also increasing.
please help with this. I got the first choice when I picked wrong so i would like help on a second attempt. thanks
Answer:
4
Step-by-step explanation:
im pretty sure that's the right answer!! let me know if I'm right
Jake's mom is making peanut butter cookies with her chocolate chips. In her first batch, she used the ratio of 2:2 for the number of cups of chocolate chips to the number of peanut butter chips. In her second batch she used the ratio of 3:1 for the number of cups of chocolate chips to the number of cups of peanut butter and made the same number of cookies in the first batch. Jake made the following tape diagrams for his mom to reference. If her first batch used 4 cups of peanut butter chips, how many cups of chocolate chip did jakes mom use for the second batch?
Answer: i need help on this one to
Step-by-step explanation:
Answer:
6 just trust me
Step-by-step explanation:
3x + 2=11 solve for x
Answer:
x=3
Step-by-step explanation:
3x3=9
9+2=11
Brainliest plz :)
Answer:
X = 3
Step-by-step explanation:
3x + 2 = 11
3x = 11 - 2
3x = 9
X = 9/3
X = 3
boy weighs 55 pounds. How much does he weigh in kilograms? Use the following conversion: 1 kilogram is 2.2 pounds.
Answer:
24.9476
Step-by-step explanation:
55= 24 kilo. but since its 2.2 pounds its gonna be the answer i said (i think) Hope this helps
Answer:
24.94
Step-by-step explanation:
this is the answer
PLEASE HELP MEEE!!! What is the experimental probability that Mr. Fell's class rolled a 3?
Probability = the number of ways of achieving success (getting the desired outcome).
P(E) = event with the desired outcome/total no. of events
P(E) = 7/60
The island of Moorea has an 33-mile road around it. If you take a bicycle at a speed of 7.5 miles per hour, how long will it take to ride around the island?
Answer:
40.5 mile
Step-by-step explanation:
33 mile + 7.5 mile = 40.5 mile
hope it helps
Will give Brainliest to person with correct answer!
Answer:
it would be 6. it is closer to the 6 mark. so the answer would be B. this is the answer.
Step-by-step explanation:
In a baseball game Joey took 2,900 shots and sored 39% of the time how manytimes did Joey score?
Answer:
1131
Step-by-step explanation:
2900 x .39 = 1131
Having a savings account can contribute to a person’s overall financial well-being. Which one of the following is NOT a benefit of maintaining a savings account? a. A savings account provides security in tough financial times b. With a savings account, you can invest when the opportunity presents itself c. Having a savings account gives individuals the ability to borrow money from members in the community d. A savings account allows an individual to fulfill life long dream
Answer:
haveing a savings account give individuals the ability to borrow money from members in the community
the awnser is C
Step-by-step explanation:
Solve the equation for Y
3y=-6x+1
y is -2 is the answer for the question
Answer:
6x + 3y = 1
I hope this helps!
Please help me A.S.A.P.
Cheryl deposits 7.500 into the bank. She cannot withdraw or deposit any money for 6 years. She earns 6% interest during that time.
a. How much interest will she have earned at the of 6 years?
b. What will her new balance be when she is finally able to withdraw her money?
Answer: a. 450
b. 7950
Step-by-step explanation:
If Cheryl earns 6% interest during the 6 years she will have
(7500*6)/100=450
450 is the interest that she received
her new balance will be
7500+450=7950
if bob and billy went on a date, and had kids even though it is not biologically possible, what is the distance between the sun from john and paul's baby?
please i need a lot of help
Answer:
who's john?
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Because A GAY couple can adopt or its hypothetical that they can have a baby obviously
A car tracked 600 miles in 5 hours. what is the average speed of the car ?
Answer:
120 mph
Step-by-step explanation:
How to calculate is 600/5
Answer
The average speed of the car is 120 miles per hour.
Explanation
The formula to find speed is distance over time.
600 miles is the distance.
5 hours is the time.
So divide 600 by 5.
600 divided by 5 is 120, meaning the average speed of the car is 120 miles per hour.
Angle a is 5/3 of Angle b.
Find Angles a and b plz
Answer:
Angle a = 112.5°
Angle b = 67.5°
Step-by-step explanation:
Angle a + angle b = 180° (Supplementary Angles/angles on a straight line)
Let x = m<b
m<a = ⁵/3(x)
Therefore:
⁵/3x + x = 180
[tex] \frac{5x}{3} + x = 180 [/tex]
[tex] \frac{5x + 3x}{3} = 180 [/tex]
[tex] \frac{8x}{3} = 180 [/tex]
Multiply both sides by 3
[tex] \frac{8x}{3} \times 3 = 180 \times 3 [/tex]
[tex] 8x = 540 [/tex]
Divide both sides by 8
x = 67.5°
Angle a = ⁵/3(x) = ⁵/3(67.5) = 112.5°
Angle b = x = 67.5°
What is the slope of the line of the equation y = x + 4?
Answer:
x
Step-by-step explanation:
bc the coefficient of x is 1 and that's invisible so it's x
Inverse function details
Step-by-step explanation:
First, replace f(x) with y ⇒ f(x)=6x-19 ⇒ y=6x-19
Then y with x and x with y ⇒ y=6x-19 ⇒ x=6y-19
Solve the equation from for y:
x=6y-19
x+19=6y dividing with 6
1/6 x +(19/6) = y
Replace y with f−1(x) ⇒ f−1(x)= 1/6 x +(19/6)
hope this helps!
Help i need help if you answer right then i put brainliest.
Answer:
17.5-b=12.5 (b=5)
3/2+b=5 (b=7/2)
b+6=15 (b=9)
27 / b= 3 (b=9)
4 x b = 14 ( b=7/2)
Step-by-step explanation:
A.
B.
C.
D.
(I think it’s C)
Answer:
The answer would be C. I believe it is C. The force believes it is C. So put C.
While shopping at the mall, Jonathan saw two toys he wanted to buy. The toys originally cost $15.95 and $11.65,
but they were on sale for off the regular price.
Jonathan paid for the toys with a $20 bill. Which expression can be used to determine how much change Jonathan received?
20-1/3(15.95+11.65)
20-((15.95+11.65)-1/3(15.95+11.65))
((15.95+11.65)-1/3(15.95+11.65))-20
1/3(15.95+11.65)-20
Answer: B
Step-by-step explanation:
Answer:
Its b
Step-by-step explanation:
Please help me with this question
Answer: 135
Step-by-step explanation:
remember PEMDAS
3^3=27
(27*10)/2=270/2=135
The leg of a right triangle is 3 units and the hypotenuse is 6 units. What is the length, in units, of the other leg of the triangle? (5 points)
Answer:
a. rad27
Step-by-step explanation:
we can use a2+b2=c2 where c is the hypotonuse.
we plug in 3^2+b2=6^2
9+b^2=36
b^2=27
then do a rad over each to get rid of the ^2 on the b
b=rad 27
answer is rad27
PLEASE HELP ME!! ITS RLLY EASY!!
Answer:
i think its the last option
Step-by-step explanation:
This is a test please help me I have a D on math here’s the question!!
Help me pleasee, thank uuu
Answer:
B. 1/3
Because if you focus on one point of each image you have (0,3) and (0,9). Since (0,9) is the original picture we have to find how (0,3) is related to (0,9). So 3÷9= 1/3 and that's your answer (sorry for not explaining clearly)
find an antiderivative F(x) with F'(x) = f(x) = 11+(21x^2)+(21x^6) and F(1)=0
In 1983, a hardcover dictionary cost $145.75. If the CPI is currently 209, what would a hardcover dictionary cost today? Round to the nearest cent.
a. $354.75
b. $304.62
$254.75
d. $209.00
Answer:
b. $304.62
Step-by-step explanation:
Just took the test and got it right
The cost of the hardcoer dictionary today given the CPI is $304.62.
What is the consumer price index?The consumer price index measures the percentage in the price of a basket of goods. It is used to measure inflation.
Cost of the hardcoer dictionary today = $145.75 x (209/100) = $304.62
To learn more about, consumer price index, please check: https://brainly.com/question/26382640
20 pts You have hip-hop dance practice for 5 weeks. You attend practice 5 days each week. Each practice is the same length of time. You practice for 37.5 hours altogether. How many hours do you practice each day?
Answer:
1.5 hr
Step-by-step explanation:
The number of hours of practice each day is 1.5 hours.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Number of practice weeks = 5
Number of practice days in a week = 5
The total number of practice days.
= 5 x 5
= 25 days
Total time for 25 practice days = 37.5 hours.
The number of hours each practice day.
= 37.5 ÷ 25
= 1.5 hours
Thus,
1.5 hours of practice each day.
Learn more about expressions here:
https://brainly.com/question/3118662
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