Answer:
382
Step-by-step explanation:
An x-method chart shows the product a c at the top of x and b at the bottom of x. Above the chart is the expression a x squared b x c. Which statement is true of x2 8x – 6? (x – 2) is a factor of the polynomial. (x 2) is a factor of the polynomial. (x – 4) is a factor of the polynomial. The polynomial is prime.
The polynomial is prime because the provided polynomial can not be factored shown in the X-method chart.
What is X method?X-method is the method to find the factors of the polynomial equation.
An x-method chart shows the product a c at the top of x and b at the bottom of x.
Above the chart is the expression,
[tex]ax^2+bx+c[/tex]
The given polynomial in the problem is,
[tex]x^2 +8x - 6[/tex]
Let's check if the factors of polynomial. To find the factor, we need, to find the two number whose sum or different is 8 and the product is 6 (6 × 1).
As there is no number which gives has the sum or different is 8 and the product is 6 (6 × 1). Thus, the above polynomial can not be factored. Thus this polynomial is prime.
Thus, the polynomial is prime because the provided polynomial can not be factored, shown in the X-method chart.
Learn more about the X method here;
https://brainly.com/question/24379507
Answer:
d
Step-by-step explanation:
cuz i know
Mark bought 4 bags of candy. Each
bag of candy cost $1.36. How much
money did he spend on candy?
Answer: $5.44
Step-by-step explanation:
if 1 bag of candy costs $1.36 and Mark bought 4 bags of candy, multiply 1.36 and 4 to get $5.44
Find the radius
Volume= 250π³in
Answer:
Volume for a cylinder in this case is
V=˜ πr^2h
So R being radius
H being height
V being volume.
We know the volume is 250π
The height is given in the diagram which is 10.
Plug in the infromation into the formula.
250π = πr^2*10
Simplify and solve for r (radius).
Let’s divide by π on both sides
250 = r^2 * 10
Divide by 10 to get rid of 10
25 = r^2
√25 = r
√25 = 5
The radius is 5
This year, 432 middle school students ordered a yearbook. So far, 398
yearbooks have been distributed.
Which of the following will help find how many more students still
need a yearbook?
x +398 = 432; x = 36
X + 398 = 432; x = 34
2 – 398 = 432; x = 830
2 – 398 = 432; x = 34
Answer:
B is the answer
Step-by-step explanation:
This answer is reasonable because it shows that 398 + x (the amount that still has to be distributed) equal the total amount of middle school students who ordered a year book.
total books = 432
total books distributed = 398
total books needed = x
equation:
[tex]\tt x+398=432;x=34[/tex]
what are the zeros of this function?
Answer:
5 and 6
Step-by-step explanation:
The values of the roots of the function are the same as the points where the graph meets the horizontal axis.
Check the picture below.
Find the area of each figure. Round your answer to the nearest tenth
Answer:
62
Step-by-step explanation:
step 1: find the height of half the yellow coloured triangle (right angled triangle). remember that the angle formed at the center is always 36° for a pentagon.
tan36° = opposite/ adjacent
tan36° = 3/h (h for height)
h × ( tan36°) = 3
h = 3 / tan36°
h = 4.13
step 2: calculate area of the right angled triangle
Area = 1/2 × b × h
= 1/2 × 3 × 4.13
= 6.195
step 3: calculate the area of a Pentagon
a Pentagon can be divided into ten right angled
triangle
6.195 × 10
total area = 61.95
rounded off = 62
please help I'm bad at math i don't understand
Answer:
a) Vertex is at (-3, -1)
b) y-intercept is at (0,8)
c) x intercept is at (-4,0) and (-2,0)
d) x=-3
Step-by-step explanation:
The vertex of a parabola is the lowest or highest point, implying that all points are reflected across it. It's the only y value that doesn't have a corresponding pair.
For example, -1 and 1, -3 and 3, and so on.
The vertex is at (-3,-1) because it is the sole point without a corresponding y value (-3,-1)
The y-intercept is where the parabola meets the y axis or when the x value equals 0. To determine the y-intercept, simply find when x = 0.
intercept y: (0,8)
The x-intercepts are the same as the y-intercepts; you must determine where the parabola crosses the x-axis or when y = 0.
x intercept 1:(-4,0)
x intercept 2: (-2,0)
The axis of symmetry is also the x coordinate of the vertex which is 3 so
x = 3
Christine bought some necklaces for $14.23 each.
She used a coupon for $15 off, making her total
$41.92. Write an equation to find how many
necklaces Christine bought.
14.23n - 15 = [?]
14.23n - 15 = 41.92
Explanation :
In mathematics "n" denotes any non-negative integer
as in this case "n" denotes the number of necklaces Christine bought
If 1 necklace costs $14.23
n no. of necklaces costs $14.23 × n = 14.23n
She used a coupon for $15 off
so the total amount spent
= the cost for n no. of necklace – $15
= 14.23n – 15
that's technically how the equation given in the question has been derived
total amount spent = $41.92 ( stated in question )
previously we derived an equation for the total amount spent which is = 14.23n – 15
14.23n - 15 = 41.92
14.23n = 41.92 + 15
14.23n = 56.92
n = 56.92 / 14.23
n = 4
no. of necklaces bought = n = 4 necklaces
hope this helped :)
Solve the equation to find x.
4x +12 = 96
Answer:
x=21
Step-by-step explanation:
4x+12=96
subtract 12 from both sides
4x=84
divide both sides by 4
x=21
Answer:
x = 21
Step-by-step explanation:
to solve:
1. subtract 12 from both sides:
4x=12=96
-12 -12
2. This gives you 4x=84. Then divide both sides by 4:
[tex]\frac{4x}{4}[/tex][tex]=\frac{84}{4}[/tex]
4x/4 = x
84/4 = 21
So, you get x = 21
In a sock drawer there are 8 black socks, 4 red socks and 6 orange socks, none of which are kept in a pair.
What is the probability that you will pull one black sock and one red sock from the drawer with your first two random selections from the drawer?
Show your answer as decimal number, to two decimal places.
Answer:
0.36
Step-by-step explanation:
So the first step is to count up all the socks which is 18. Then I took 2 (because you can't just wear one sock) and multiplied it by 18 and got 36. The question asked for decimal form so I divided it by 100 and got 0.36.
I hope this helps you :)
[tex]2 * 18 = 36\\\\36/100 = 0.36[/tex]
The ratio of the interior angle measures of a triangle is 2:3:5. What are the angle measures? In order from least to greatest, the angle measures are
Answer:
36, 54, 90
Step-by-step explanation:
angle ratio = total internal angles
2x + 3x +5x = 180
10x = 180
x = 18
2×18:3×18:5×18
36, 54, 90
Arnold is planning on painting a mural. Before painting the mural, Arnold painted the picture on a paper that is 5 inches wide and 11 inches tall. Arnold is using a scale in which 1/2 inch represents 1 foot to paint the mural.
How tall will the actual mural be?
How wide will the actual mural be?
Answer:
10ft wide
22 ft tall
Step-by-step explanation:
did the test
After making repairs, a swimming pool owner is going to refill the pool with water. The pool's dimensions are 18\times40\times618×40×6 feet, with each cubic foot equivalent to 2.642.64 gallons, and the cost of water \$0.005$0.005 per gallon. To the nearest dollar, what is the estimated cost of filling the pool?
Answer:
$57
Step-by-step explanation:
I'll assume the pool's dimensions are 18 x 40 x 6.
The total volume is (18 x 40 x 6) = 4320 ft^3.
Use the conversion factor (2.64 gallons/1 ft^3) to find the gallons of water in a full pool. Full pool, cool.
Water (gal) = (4320 ft^3)*(2.64gallons/ft^3) = 11,405 gallons
At $0.005/gal, this would cost (11,405 gallons)*($0.005/gal) = $57.02
$57 to the nearest dollar.
A. 5x=3x
b.5=3
How can we get Equation B from Equation A?
Answer:
A is x = 0
B is false
Step-by-step explanation:
because u have to solve x
and b is false
Suppose that Hubble's constant were H0 = 36 km/s/Mly (which is not its actual value). What would the approximate age of the universe be in that case?
Express your answer in years to two significant figures.
I got 26. 95 and it was wrong
With the Hubble's constant H₀, the estimated age of the universe would be:
T = 8,332,452,617.49 years.
How to get the age of the universe?
We know that the age of the universe is something near to the time the galaxies needed to reach their current distance:
T = D/V
And by Hubble's law, we know that:
V = H₀*D
Then we can write:
T = D/(H₀*D) = 1/H₀
So, we can say that the age of the universe is something near the inverse of Hubble's constant.
Then we have:
T = 1/(36 km/s*Mly) = (1/36) s*Mly/km
Now we need to perform the correspondent change of units.
1 Mly = 1 million light-years
Such that:
1 ly = 9.461*10^12 km
Then 1 million light-years over km is equal to:
1 Mly/km = 1,000,000*(9.461*10^12 km)/km = 9.461*10^18
Then we can replace it:
T = (1/36) s*Mly/km = (1/36)*9.461*10^18 s
T = 2.628*10^17 s
This is the age in seconds, but we want it in years.
We know that:
1 year = 3.154*10^7 s
Then to change the units, we compute:
T = (2.628*10^17 s/3.154*10^7 s)* 1 yea
T = 8,332,452,617.49 years.
If you want to learn more about Hubble's constant, you can read:
https://brainly.com/question/9770981
Please help ASAP. And Please make sure to answer this correctly.
Answer:
-7
Step-by-step explanation:
[5 0 -2]-[-1 3 8]
[5-2]-[-1+11]
3-10
-7
The area of a circle is found by the equation A=πr^2. If the area of a certain circle is 25π square inches, find it's radius r
Answer :
5 inches.⠀
Given :
The area of a circle is 25π sq.in⠀
To Find :
The Radius.⠀
Solution :
We know,
[tex]{ \longrightarrow\qquad \bf\pi {r}^{2} = \bf{Area_{(Circle) } }}[/tex]
⠀
Where,
r is the radius of the circle.⠀
Now, Substituting the values :
[tex]{ \longrightarrow\qquad \sf\pi {r}^{2} = 25 \pi }[/tex]
⠀
Cancelling π from both sides :
[tex]{ \longrightarrow\qquad \sf \cancel\pi {r}^{2} = 25 \cancel\pi }[/tex]
[tex]{ \longrightarrow\qquad \sf {r}^{2} = 25 }[/tex]
[tex]{ \longrightarrow\qquad \sf {r}= \sqrt{25} }[/tex]
[tex]{ \longrightarrow\qquad \pmb{\bf {r}= 5 }}[/tex]
⠀
Therefore,
The Radius of the circle is 5 inches .Can someone see if i did this correct? If not pls explain
Answer:
Not right.
Step-by-step explanation:
m <HGJ + m <KGJ =180°
So, m <HGJ = 180° - m <KGJ = 180° - 86° =94°
What are the zeros of the quadratic function f(x) = (x + 9)(x – 5)?
Answer:
x=-9 and x=5
Step-by-step explanation:
x+9=0 and x-5=0
x=-9 or x=5
PLEASE HELP ASAP!!! DUE IN SOON!!!
Which inequality represents the sentence below? two more than a number is less than 14. 2 n less-than-or-equal-to 14 2 n less-than 14 2 n greater-than-or-equal-to 14 2 n greater-than 14
The inequality that represents the sentence "two more than a number is less than 14" is [tex]n+2 < 14[/tex].
Let the number be n
2 more than number = n+2
What is inequality?
Inequality is the relation between two expressions that are not equal, employing a sign such as ≠ ‘not equal to’, > ‘greater than’, or < ‘less than’.
It is given that,
Two more than a number is less than 14
This means, [tex]n+2 < 14[/tex]
Therefore, the inequality that represents the sentence "two more than a number is less than 14" is [tex]n+2 < 14[/tex].
To get more about inequality visit:
https://brainly.com/question/11613554
Answer: 2 + n less-than 14
Or 2 + n < 14
Step-by-step explanation:
Let n = number
Two more than a number is less than 14
n + 2 < 14
Or 2 + n < 14 which is the same as
2 + n less-than 14 or B
CAN SOMEONE PLEASE HELP ME!!!
Answer:
A = 480 mm²
Step-by-step explanation:
the area (A) of a rhombus is calculated as
A = [tex]\frac{1}{2}[/tex] product of diagonals
The diagonals are perpendicular bisectors of each other , so
Δ XVW is a right triangle
using Pythagoras' identity in the right triangle , then
XV² + WV² = WX²
XV² + 24² = 26²
XV² + 576 = 676 ( subtract 576 from both sides )
XV² = 100 ( take square root of both sides )
XV = [tex]\sqrt{100}[/tex] = 10
then
XZ = 2 × XV = 2 × 10 = 20
and
WY = 2 × WV = 2 × 24 = 48
A = [tex]\frac{1}{2}[/tex] × XZ × WY = [tex]\frac{1}{2}[/tex] × 20 × 48 = 10 × 48 = 480 mm²
Jerry wants to buy a pool that that has a volume of 500 cubic feet.The base area of the pool is 100 square feet.How deep is the pool
Answer:
The pool is 5 ft. deep.
Step-by-step explanation:
If he wants a pool that 500 cubic feet and the base is 100, simply do 500/100
8 Cakes are cut into fourths. How many pieces are there?
Answer:
32
Step-by-step explanation:
if you were to cut each cake (8) into 4 pieces you would have 4 pieces for each cake you cut SO if you do 4 pieces times 8 cakes that is 32 pieces in total
The partial factorization of x2 – x – 12 is modeled with algebra tiles. An algebra tile configuration. 4 tiles are in the Factor 1 spot: 1 is labeled x, 3 are labeled. 1 tile is in the Factor 2 spot and is labeled x. 20 tiles are in the Product spot: 1 is labeled x squared, 3 are labeled x, the 4 tiles below x squared are labeled negative x, and the 12 tiles below the x tiles are labeled negative. Which unit tiles are needed to complete the factorization? 3 negative unit tiles 3 positive unit tiles 4 negative unit tiles 4 positive unit tiles.
The complete factorization of the polynomial x² – x – 12 is (x – 4)(x + 3). The 3 positive unit tiles. Then the correct option is B.
What is polynomial?Polynomial is an algebraic expression that consists of variables and coefficients. Variable are called unknown. We can apply arithmetic operations such as addition, subtraction, etc. But not divisible by variable.
The partial factorization of x² – x – 12 is modeled with polynomial tiles.
The factorization will be
x² – x – 12
x² – 4x +3x – 12
(x – 4)(x + 3)
The complete factorization of the polynomial x² – x – 12 is (x – 4)(x + 3). The 3 positive unit tiles. Then the correct option is B.
More about the polynomial link is given below.
https://brainly.com/question/17822016
A farm uses an old grist mill wheel to grind corn. The wheel turns 105° and stops. How many degrees are left for the wheel to make one complete rotation?
A)255
B)41
C)49
D)50
eight students got a B on the final test. Ig the ratio of the number of students who got an A to the number of students who got a B is y: x, how many students got an A? suppose x=4 and y=3
Answer:
the answer is 6
Step-by-step explanation:
there is 8 so you look at x and you see 4 then you look at y and you see 3 so you multiply 4*2=8 because you need eight so then because you multiplied 4*2 you multiply 3*2 and you get 6
−8(0.5x−3)=3 solve for x
sue in under 1 hour!!!!
brainliest for step by step and 5 stars and likes!!! pls help or I'ma get in a lot of trouble
Can anyone help? It's 5th grade math and I'm stuck on this problem. Please someone I'll do anything.
Kelly wants to buy carpet to cover her whole living room, except for the tiled floor. The tiled floor is 4 5/6 ft by 2 1/3 ft. Find the area the carpet needs to cover.
Answer:
11.277 or 11.28
or 11 7/25
Step-by-step explanation:
you should just multiply then turn to a mixed number. please mark as brainliest
A store offers discounts on lunch-size chip bags when buying larger quantities. The graph below represents the total cost, in dollars, for the number of bags purchased.
What is the difference in the price per bag for 150 bags versus 50 bags?
The difference in the price per bag for 150 bags versus 50 bags is $0.15 per bag.
What is the difference in the price of the bags?If 150 bags on the x axis is traced to the y axis, the price of the bag is $38.
If 50 bags on the x axis is traced to the y axis, the price of the bag is $20.
Price per bag:
150 bags = 38 / 150 = $0.25
50 bags = $20 / 50 = $0.4
The difference = $0.4 $0.25 = $0.15
Please find attached the graph used in answering this question. To learn more about subtraction, please check: https://brainly.com/question/854115
Answer:
A: $0.15 per bag
Step-by-step explanation: