Answers
Answer:
1) 11x^3 - 6x - 3
2) 3x^3 + 4x^2 - 2x - 1
3) 9x^2 - 4
4) -4x^4 + 2x^3 - x^2
5) x^3 - 38x - 12
Step-by-step explanation:
1) (3x^4 + 5x^3 - 7x + 2) - (3x^4 - 6x^3 - x + 5)
Step 1: 3x^4 + 5x^3 - 7x + 2 - 3x^4 + 6x^3 + x - 5 (multiply the terms in the parenthesis by the constants, which are 1 and -1)
Step 2: 3x^4 - 3x^4 + 5x^3 + 6x^3 - 7x + x + 2 - 5 (reorganize the polynomial by exponential values (ex: x^4 before x^3 before x^1))
Step 3: 11x^3 - 6x - 3 (add like terms)
2) (3x^3 + 8x - 3) + (4x^2 - 10x + 2)
Step 1: 3x^3 + 8x - 3 + 4x^2 - 10x + 2 (multiply the terms in the parenthesis by the constants)
Step 2: 3x^3 + 4x^2 + 8x - 10x - 3 + 2 (reorganize the polynomial)
Step 3: 3x^3 + 4x^2 - 2x - 1 (add like terms)
3) (3x + 2)(3x - 2)
Step 1: 9x^2 - 6x + 6x - 4 (Use FOIL to multiply binomials, or multiply the first terms, outside terms, inside terms, then last terms)
Step 2: 9x^2 - 4 (add like terms)
4) -x^2(4x^2 - 2x + 1)
Step 1: (-x^2*4x^2) + (-x^2*(-2x)) + (-x^2*1) (multiply -x^2 by each term)
Step 2: -4x^4 + 2x^3 - x^2 (simplify; remember x^2 is the same as -1*x^2)
5) (x + 6)(x^2 - 6x - 2)
Step 1: ((x*x^2) + (x*(-6x)) + (x*(-2))) + ((6*x^2) + (6*(-6x)) + (6*(-2))) (multiply the first term in the binomial by each term in the trinomial, and do the same with the second term)
Step 2: x^3 - 6x^2 + 6x^2 - 2x - 36x - 12 (simplify and reorganize)
Step 3: x^3 - 38x - 12 (add like terms again)
Related Questions
. A bicycle tire has a diameter of 24 inches. Find the circumference of the tire. If it rotates 5 times?
Answers
Answer:
377 is your answer
Step-by-step explanation:
75.4 x 5 there is your answer
Macie waters 5 plants. She uses 2/3 cup of water for each plant.
How many cups of water does Macie use in all?
Answers
Answer:
5 + 2/3 = 5 remainder 6
Macie waters 5 plants. She uses [tex]\frac{2}{3}[/tex] cup of water for each plant. So, she uses 3.33 cups of water. This problem is based on the principle of multiplication.
The principle of multiplication states that a number when multiplied by another number results in a product of the two numbers. These two numbers on being multiplied give a unique number and that resultant number is said to be divisible by both numbers and their factors.
It is given that Macie waters 5 plants.
According to the question, she uses [tex]\frac{2}{3}[/tex] cup of water for each plant.
Total number of cups of water used by her [tex]= 5\times\frac{2}{3}[/tex]
[tex]= \frac{10}{3}[/tex]
[tex]= 3.33[/tex].
So, Macie uses 3.33 cups of water.
Learn more about Multiplication here:
https://brainly.com/question/11527721
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Find the margin of error for a 95% confidence interval for μ; n=49,σ = 4.8 Keep all decimal places.
Answers
Answer:
1.344
Step-by-step explanation:
Given that:
n=49,σ = 4.8
Zcritical = 95%
Using the relation :
Margin of Error = Zcritical * sqrt(σ² / n)
Zcritical at 95% = 1.96
Margin of Error = 1.96 * sqrt(4.8² / 49)
Margin of Error = 1.96 * (4.8 / 7)
Margin of Error = 1.96 * 0.6857142
Margin of Error = 1.344
Complete the function table.
Answers
Answer:
18
Step-by-step explanation:
8+10=18
hope this helps :)
Answer:
18
Step-by-step explanation:
10+8=18.
Please help me. Solve for x
Answers
Answer:
x=9
Step-by-step explanation:
12+12x=3+13x then simplify
Hope this helps you!
The additive inverse of (-2x + 4) is __________.
choices:
1. -2x + 4
2. 4x + 2
3. (-2x – 4)
4. (2x – 4)
Answers
Answer:
2x - 4
Step-by-step explanation:
Additive inverse of -2x + 4 = 2x - 4
To find the additive inverse, change the sign of each term
Melissa has more than 40 coins in her collection which inequality the nuber of coinsin melissas collection
Answers
Answer:
X > 40
Step-by-step explanation:
Given that:
Let number of coins in her collection is more Than 40
To represent the number of coins in Melissa's collection as an inequality :
Let total number of items in her collection = X
Coins in her collection > 40
Hence, coins in her collection can be represented as :
X > 40
plss help ists on a timert
Answers
Answer:
235.5
Step-by-step explanation:
Volume of a cylinder is 3.14(or pi) times radius^2 (5) times the height (3)
3.14 x 5^2 x 3
3.14 x 25 x 3 = 235.5
trust me
Three subtracted from x is greater than or equal to 15.
Answers
Answer:
3 - x ≥ 15
Step-by-step explanation:
3 - x ≥ 15
How many buckets have one full gallon of water?
Answers
Answer:
four just count the circles above the one
Claire is decorating a card for her friend. She has a square piece of paper with an area of 36 square inches. She wants to put
ribbon around the edges of the paper
Find the amount of ribbon she needs to put ribbon around the edges of the paper.
A.40 inches
B.16 inches
C.24 inches
D.32 inches
Answers
Answer:
Step-by-step explanation:
Since area equals the side squared each side is 6 inches. The perimeter is just four times a side so
4(6)=24 inches.
which expressions show a sum or difference equivalent to -1/5(-5m+10)?
l. -1/5(10-5m)
ll. m - 2
lll. -m+2
Answers
Answer:
I and II
Step-by-step explanation:
-1/5*-5m + -1/5*10 = m - 2
A store buys for 12$ each and marks up the price 25% what's is the price for a shirt at the store?
Answers
Answer:
$15
Step-by-step explanation:
25% of 12 is 3 so just add that to the original value
Answer:
$15
Step-by-step explanation:
Multiply the cost by the percentage mark up
12 × 25%
Convert the percentage into a decimal
12 × 0.25
3
Add the mark up to the original price
12 + 3
15
Calculate the average rate of change over the interval from x=1 to x=3
-2
6
8
12
Answers
Answer:
The average rate of change over the given interval is 12
Step-by-step explanation:
Here, we want to calculate the average rate of change over the given interval
Mathematically, we can calculate the average rate of change using the formula below;
f(b) - f(a)/b-a
The f values are same as the y values
Thus, we have it that;
a = 1 and b = 3
f(a) = -5 and f(b) = 19
The average rate of change is thus;
(19-(-5))/(3-1) = 24/2 = 12
Please help with this math question
Answers
Answer:
A
Step-by-step explanation:
Answer:
Its closer to B.
Step-by-step explanation:
19% is close to 20% which is 1/4 of 100%
What are rational numbers? Why is it important to study rational numbers?
Answers
Answer:
Rational numbers are real numbers that can be written in the form of p/q where p,q are integers and q ≠ 0. We use taxes in the form of fractions. When you share a pizza or anything. Interest rates on loans and mortgages.
Which unit is the largest?
kiloliter
liter
hectoliter
centiliter
Answers
Answer:
kiloliter
Step-by-step explanation:
10 hectoliters fit in one kiloliter
HELP ASAP!!!!!!!! 15 POINTS + BRAINLIEST!!!!!!
Answers
0.5c^2 +13=94
subtract 13 from both sides
0.5c^2 = 81
Square root of both sides to get c alone
0.5c=9
double c to make it just c
c=18
B) x=8
(x-2)^2+1=37
Subtract one from each side
(x-2)^2=36
square root each side
x-2=6
add the 2 over
x=8
how would you solve the graph of the function f(x)=2^x. what would be the graph of function g if g(x)=f(x+2)?
please help I am so confused about how to do this, what would the graph, and the g(x) function be?
Answers
Answer:
maybe get help from your teacher
Can someone actually help me with this!!!!!
Answers
Answer:
Step-by-step explanation:
ahh this is a really tough one :D Does this happen to be an AP math class, Pineapple .. you are in advanced math :O.... good for you :)
sooo what can we set equal
note the lines have the same lenght, therefore the arc length will also be the same, then they give us the other two lengths to make the entire circle , yay
so then just set all the arc lengths equal to 360 °
(3x+ 30) + (3x + 30 ) + 2x + 4x = 360 ( put like terms together )
12x + 60 = 360 ( subtract 60 from both sides )
12x = 300 ( divide both side by 12 )
x = 25
nice we now know X :)
someone please help me
Answers
Answer:
f(x)=x+2
Step-by-step explanation:
Pick any two points from the question and plug them into the equation y2-y1/x2-x1. In this case, I picked (0,2) and (1,3). Therefore, the equation will be 3-2/1-0. Simplify this to get 1/1 which is equal to 1. Therefore, the slope is equal to 1. Then pick a point and plug it into the point slope form equation which is y-y1=m(x-x1) where m is the slope. In this case, I picked (0,2). Therefore, the equation will be y-2=(x-0). Simplify this to get y-2=x. You want to isolate y so you have to add 2 to both sides. This will make the equation y=x+2 which is the answer. Therefore, the answer is y=x+2 or f(x)=x+2.
If this answer has helped you, please mark it as brainliest
When Elias drives 100 miles on the highway, his car uses 4 gallons of gasoline. How much gasoline would his car use if he drives 250 miles on the highway?
Answers
Answer: x = 10
Step-by-step explanation: 4 times 250 is 1000 and divided by 100 is 10
A pair of sneakers cost $40 and there is a 30% markup rate. Find the selling price of the sneakers
Answers
Answer:
52 dollars
Step-by-step explanation:
40 times 1.3= 52
What is the reciprocal of 5 sixths?
pls help need it ASAP
Answers
Answer:The reciprocal of 5/6 is found by switching the numerator for the denominator and the denominator for the numerator. That means that the reciprocal of 5/6 is 6/5.
Answer:
1.2
Step-by-step explanation:
that should be it the answer
) Evaluate the expression for v = 2.
5v + 3 =
Answers
Answer:
13
Step-by-step explanation:
Evaluate the expression for v = 2.
First, plug in 2 wherever v is seen.
5v + 3
5(2) + 3
Next, multiply.
5(2) + 3
10 + 3
Add.
10 + 3
13
Your final answer is 13.
Please let me know if there are any issues with this answer.
Answer:
i think this is algebra
Step-by-step explanation:
The first thing you have to do is open the multiplication parenthesis to substitute V for 2
5v + 3
5 (2) + 3
Now that you have the parenthesis, you multiply and then the result that you add.
5(2) or 5x2= 10 but is better with parenthesis.
10 + 3
=3
I hope this helps.
PLSS FORGOT HOW TO DO THIS!! PLSS HELP!! ASAP!! I WILL GIVE YOU BRAINLYEST!!
What is the probability of spinning an even number or a number
less than 7 on a spinner?
Answers
Answer:
3/7 chance or a 42.8% chance
Step-by-step explanation:
The density of a certain material is such that it weighs 9 kilograms for every 7 cubic feet of volume. Express this density in pounds per pint. Round your answer to the nearest hundredth.
Answers
Answer:
1.641× 10^-3 pounds/ cubic inch
Step-by-step explanation:
Density= mass / volume
Mass of the material= 9 kilograms
Volume= 7 cubic feet
Density= 9/7= 1.286 kg/ ft^3
Density= 1.286 kg/ ft^3
To Convert to pounds per inch
1 kg/ ft^3 = 0.00128 pound / cubic inch
1.286 kg/ ft^3 = X pounds/ cubic inch
X=( 1.286 × 0.00128)
= 0.0016407087 pounds/ cubic inch
= 1.641× 10^-3 pounds/ cubic inch
Hence,this density in pounds per inch is 1.641× 10^-3 pounds/ cubic inch
I really need help!
What is 1/5x+1/2=2(4/5x+1)
Answers
Mhanifa please help me on this! I will mark brainliest
Answers
Answer:
D. 85°Step-by-step explanation:
Exterior angle is equal to sum of non-adjacent interior angles:
x + 40° = 125°x = 125° - 40°x = 85°Correct choice is D. 85
Answer:
d
Step-by-step explanation:
What are the x-intercepts of the graph of the following function y = 6x to the second power minus 12x - 18
Answers
Answer:
it would be 12x 26y doe to the problem