Answer:
(x² - 7)(x² - 4)
Step-by-step explanation:
We can actually factor this the same way we would solve a normal quadratic equation. We will end up with the factored terms have squares of x instead of just x.
x⁴ - 11x² + 28
= x⁴ - 4x² - 7x² + 28
= x²(x² - 4) - 7(x² - 4)
= (x² - 7)(x² - 4)
What is the surface of the following?
Answer:
answer 105
Step-by-step explanation:
3x5=15
than do 15x7 u will get 105
Which is the rate of change for the interval between 3 and 6 on the x-axis?
-3
-2
2
3
Answer:
2
Step-by-step explanation:
I'm here to settle this :p
y = 4.99x
x = # of items
y = total cost
Answer:
here/
Step-by-step explanation:
charges a cost per pound plus a fixed fee to ship a package. the total cost, f(x) ... f(x)=4.99x+5.75. which part of the function represents the fixed fee? 2 ... the cost of items purchased and y represents the total cost of shipping.
2 answers
·
13 votes:
the fixed fee is the part of $5.75
Nella travelled 1/3 of a journey by bus, 2/3 of the remainder by bicycle and the remaining 9 km on foot. a)How far did Nella cycle? b)What was the total distance that Nella travelled?
Answer:
18km
40.5km
Step-by-step explanation:
Let b = journey by bus
c = journey by bicycle
d = total journey
c = (2/3 x d) x 2/3
divide both sides by 2/s
c(3/2) = (2/3)d
c + 9km = 2/3d
c + 9km = 3/2 c
collect like terms and solve for c
3/2c - c = 9km
1/2c = 9km
c = 18km
2. IF cycling (18km) and walking (9km) make up 2/3 of the journey, 2/3 of the journey is 27km
2/3d = 27km
divide both sides by 3/2 to find d
d = 40.50 km
I need help with this!!!
Answer:
the answer is D
Step-by-step explanation:
I can't really see the picture that well but I believe it's D because rational numbers are a part of irrational numbers.
it should look like this:
a large circle labeled irrational numbers with a smaller circle on the inside labeled rational numbers
Can someone help me with those two, please?
Solve the inequality. 3/4x−2/3≤5/6 Choose the solution that is graphed on this number line.
Answer:
x ≤ 2
(when graphed, closed circle on two, shaded to the left)
Step-by-step explanation:
3/4 x - 2/3 ≤ 5/6
Add 2/3 to both sides:
3/4x ≤ 5/6 + 2/3
3/4x ≤ 3/2
Divide by 3/4 on both sides:
x ≤ 3/2 ÷ 3/4
x ≤ 2
Ramon earns $1670 each month and pays $53.00 on electricity. To the nearest tenth of a percent, what percent of Ramon's earnings are spent on electricity each month?
Answer:
the percentage of the ramon earnings spent on electricity is 3.17%
Step-by-step explanation:
The computation of the percentage of the ramon earnings spent on electricity is shown below:
= Pays for electricity ÷ earnings per month
= $53 ÷ $1,670
= 3.17%
Hence, the percentage of the ramon earnings spent on electricity is 3.17%
Peter Piper Plumbing charges $7.50 per hour for labor
in addition to a service call fee of $9. If the plumbing
company charges you $76.50 for a house call, how
many hours were they at your house? Write an equation
and solve.
Nike and Adidas are having a huge sale for the next 5 days. Create a graph to determine if the shirts and cost are proportional.
A) Is the number oft-shirts proportional to the cost?
B) Write an equation to illustrate the relationship between the number of t-shirts and cost?
C) Using the equations predict the cost of 20 shirts sold.
D) 1%at docs the point (5, 35) represent in the context ofthc situation pertaining to Nike?
E) Which company has the better cost per shirt?
Answer:
See the graph with both lines attached
A) From the tables we see the constant change of values in the second column and the initial value is zero.
This represents a proportional relationship.B) Rate of change is 7 per shirt, the equation is:
y = 7x, where y is cost, x - is the number of shirtsC) When x = 20,
y = 7*20 = 140Cost of 20 shirts is $140D) The point (5, 35) represents that:
The cost of 5 shirts is $35E) The second table has confusing titles (not about the number or cost of shirts) but if we assume its same as the first table, then Adidas has greater price of $8 per shirt.
Comparing the prices, Nike has better cost
price of $8 per shirt.
Comparing the prices, Nike has better cost
What is the surface area of the box if it is scaled up by a factor of 10?
the surface area is 206 in, width 9 in, length 13 in, height 4 in
(first to answer gets brainly please need answer quick!)
Answer:
6l², where l is the length of one side.
If the side is increased 10 times,
6(10l)²
=100 x6l²
The surface area increases 100 times. Thus, the new surface area is
272 * 100
= 27,200 sq in
Step-by-step explanation:
2x - 2y = 10 and x + 2y = 11
Answer:
Step-by-step explanation:
What are u asking for x or y
Can pls someone help me :(
Answer:
ok multiply the two first the 85 and 77 and divide it by 36
Answer:
tanF = [tex]\frac{77}{36}[/tex]
Step-by-step explanation:
tanF = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{EG}{FG}[/tex] = [tex]\frac{77}{36}[/tex]
PROOF PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
Answer:
16
Step-by-step explanation:
The formula used to find the area of a triangle is
[tex] \frac{1}{2} b \times h[/tex]
so the area of the triangle is
[tex] \frac{1}{2} \times 8 \times 4[/tex]
because 8 is the base and 4 is the height of the triangle
Therefore the area of the triangle is 16
210, 206, 202, ... Find the 35th term.
Answer:
74,
We found out the hard way
brett and ryan share some sweets in the ratio of 5:2 brett gets 15 more sweets than ryan, how much does ryan get?
Answer:
6:3
Step-by-step explanation:
find the area of triangle ABC.
Give your answer correct to 1 decimal place.
Mr. Kim borrows $3000 to pay for house repairs . The simple interest is 8% for one year.
Answer:
$240
Step-by-step explanation:
Simple interest on a loan is the interest that would be paid on a loan
Simple interest = principal x interest rate x time
$3000 x 0.08 x 1 = $240
Can someone please help me, determine if they are equivalent yes or no I’ll mark brainliest please
Answer:
from the top-
yes
no
no
no
Mariam is going to see a movie and is taking her 3 kids. Each movie ticket costs $12 and there are an assortment of snacks available to purchase for $3 each. How much total money would Mariam have to pay for her family if she were to buy 6 snacks for everybody to share? How much would Mariam have to pay if she bought x snacks for everybody to share?
Cost for 6 snacks:
Cost for xx snacks:
Answer:3 times 6 = 18 + (3 times 12)
then for x its 3x + 18
Step-by-step explanation:
Find 85% of the volume of a cube of side 12 cm.
Answer:
are you jokin, or something?
PLEASE HELP ASAP What is the volume of this sphere to the nearest hundredth?
Answer:
882.347
Step-by-step explanation:
I’m about to smash my laptop with a brick please please help
Answer: y = 800
Step-by-step explanation:
3(y+200) = 3000
y+200 = 1000 (dividing 3 from both sides)
y = 800
Explain the power of products property and give an example
Don’t bother nswering if you seaRch g00gle
Answer: product of powers property tells us that when you multiply powers with the same base.
Step-by-step explanation: SCHOOL
A diameter of a circle has enpoints (-2, 10) and (6, -4) in the standard (x, y) coordinate plane. What is the center of the circle?
Answer:
The center of the circle is [tex]C(x,y) = (2, 3)[/tex].
Step-by-step explanation:
The center of the circle is the midpoint of the segment between the endpoints. We can determine the location of the center by this vectorial expression:
[tex]C(x,y) = \frac{1}{2}\cdot R_{1}(x,y)+ \frac{1}{2}\cdot R_{2}(x,y)[/tex] (1)
Where:
[tex]C(x,y)[/tex] - Center.
[tex]R_{1} (x,y)[/tex], [tex]R_{2} (x,y)[/tex] - Location of the endpoints.
If we know that [tex]R_{1} (x,y) = (-2,10)[/tex] and [tex]R_{2} (x,y) = (6,-4)[/tex], then the location of the center of the circle is:
[tex]C(x,y) = \frac{1}{2}\cdot (-2,10)+\frac{1}{2}\cdot (6,-4)[/tex]
[tex]C(x,y) = (-1, 5) + (3, -2)[/tex]
[tex]C(x,y) = (2, 3)[/tex]
The center of the circle is [tex]C(x,y) = (2, 3)[/tex].
The scatter plot of which type of data is most likely to suggest a linear association between the two variables?
Answer: age and heights of a group of dogs
Step-by-step explanation:
i did this in iready and got it correct
The scatter graph for level of water in a dam on each day and date for one month type of data is most likely to suggest a linear association.
What is scatter plot?A scatter plot, like a scatter chart or graph, employs dots to represent the values of two numerical variables. The horizontal value represents the data from individual points. Hence, it is used to observe the relationships between variables.
The scatter plot can provide the values for the data set. The points can be of various sizes, colours, and forms. The information is presented in the form of points.
The values are represented on the vertical axis. The data association can be positive, negative, or neutral. A mosaic and a fluctuational diagram can be displayed on the scatter plot.
Thus, the plot which can be linear association form level of water in a dam on each day and date for one month
Learn more about scatter plot here:
https://brainly.com/question/16423546
#SPJ7
10. Solve for all values of x algebraically (find the zeroes):
3x^2 +12x – 7 = x^2+ 3x – 2
Answer:
x = -5 or 1/2
Step-by-step explanation:
From the question,
3x²+12x-7 = x²+3x-2
Collect like terms
3x²-x²+12x-3x-7+2 = 0
2x²+9x-5 = 0
Using factorization method to solve the quadratic equation
2x²+10x-x-5 = 0
(2x²+10x)-(x+5) = 0
2x(x+5)-1(x+5) = 0
(x+5)(2x-1) = 0
Either,
x+5 = 0
x = -5
or,
2x-1 = 0
2x = 1
x = 1/2.
Therefore,
x = -5 or 1/2
Help pls i need it it’s important
Answer:
C
Step-by-step explanation:
Answer:
point C represents 0.75
What is the sum of -64/5 and 64/5 ?
Answer and Explanation
0This is because they are both the same opposite number, and you are adding.
But, if it was, [tex]\frac{64}{5}+\frac{64}{5}[/tex] then it would be [tex]25.6[/tex] or [tex]\frac{128}{5}[/tex].
So, the answer is 0.
Hope this helps =)
(1,5) (2,9)
what is the rate of change?
Answer:
4
Step-by-step explanation:
Slope is rate of change. y 2 -y 1/x 2 - x 1
9-5/2-1
4/1
4