Answer:
The area of prism is calculated by:(a+b)h/2
An auditorium has 25 rows of seats and a total of 500 chairs.
How Many chairs in each row?
y=2x^2-18x+40 solved in square root
Answer:
x=-4
or
x=-5
Step-by-step explanation:
STEP
1
:
Equation at the end of step 1
((0 - 2x2) - 18x) - 40 = 0
STEP
2
:
STEP
3
:
Pulling out like terms
3.1 Pull out like factors :
-2x2 - 18x - 40 = -2 • (x2 + 9x + 20)
Trying to factor by splitting the middle term
3.2 Factoring x2 + 9x + 20
The first term is, x2 its coefficient is 1 .
The middle term is, +9x its coefficient is 9 .
The last term, "the constant", is +20
Step-1 : Multiply the coefficient of the first term by the constant 1 • 20 = 20
Step-2 : Find two factors of 20 whose sum equals the coefficient of the middle term, which is 9 .
-20 + -1 = -21
-10 + -2 = -12
-5 + -4 = -9
-4 + -5 = -9
-2 + -10 = -12
-1 + -20 = -21
1 + 20 = 21
2 + 10 = 12
4 + 5 = 9 That's it
The binomial (a 5) is a factor of a2 7a 10. what is the other factor? (a 2) (a 5) (a−2) (a−5)
An expression has numbers, variables, and mathematical operations. The other factor of the given binomial is a²+7a+10 except (a+5) is (a+2).
What is an Expression?In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.
To find the other factor of the binomial a²+7a+10, we can write it as,
[tex]a^2+7a+10\\\\=a^2+5a+2a+10\\\\=a(a+5)+2(a+5)\\\\=(a+5)(a+2)[/tex]
Thus, the other factor of the given binomial is a²+7a+10 except (a+5) is (a+2).
Learn more about Expression:
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Answer:
(a + 2)
Step-by-step explanation:
Agnes pays state income tax equal to 3.75% of her federal taxable income. she pays federal income tax equal to 28.4% of her federal taxable income. this year, she paid $15,449.60 in federal income tax. how much did agnes pay in state income tax? a. $573.36 b. $4,387.69 c. $1,170.04 d. $2,040.00 please select the best answer from the choices provided a b c d
Based on the information the amount that Agnes paid as state income tax is $2,040.
What is the federal income?Federal Income Tax is the tax system in the United States, levied and governed by Internal Revenue Services (IRS) which helps determine the tax that is charged on the income earned by individuals, corporates, and various other legal entities.
The first step is to calculate Agnes' federal taxable income.
Federal taxable income=$15449.60/0.284
Federal taxable income= $54,400
The second step is to calculate Agnes' state income tax.
State income tax=0.0375 ×$54,400
State income tax=$2,040
Hence, the amount that Agnes paid as state income tax is $2,040.
Learn more here federal income:
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Answer:
its d
Step-by-step explanation:
Subtract and write your answer as mixed number. 5 3/4 - 1 2/3
Answer: 4 1/12
Step-by-step explanation:
HELP ME PLEASE ILL MARK U THE BRAINLEST THING PLEASEE I BEG
Answer:
See below ~
Step-by-step explanation:
a)
The intersection of the points represents where they had travelled the same distance at that timeb)
Leslie passed Gale at approximately 2:00 PMc)
Leslie had travelled about 20 miles when they passed Galed)
Between 1:30 and 3:00, Gale had not moved any distance w.r.t time, meaning she had stopped, presumably to take a break, or to fix something that may have happened to her bikee
Rate of covering distance = 10 miles/1 hourTotal distance = 60 milesTotal time = 60/10 = 6 hoursNoon + 6 hours = 6:00 PMSuppose a car burns 1 gallon of gas in 25 miles. How much gas will be burned on a trip
of 400 miles?
Answer:
16
Step-by-step explanation:
400 miles / 1 gallon every 25 miles = 16 gallons total
A container in the shape of a rectangular prism has a height of 2 feet. Its length is four
times its width. The volume of the container is 200 cubic feet. Find the length and width of
the container.
Answer:
length = 20 feet and width = 5 feet
Step-by-step explanation:
Volume is equal to volume = height * width * length. The questions tells us the total volume is 200 cubic feet and that the lenght is equal to length = 4w. Set up the equation 4w * w * 2 = 200 cubic feet. Multiply to get 8w^2 = 200 and solve for w.
Gale the birthday clown is blowing up a fun spherical shaped balloon at a constant rate of 100 cubic inches per minute. How fast is the radius increasing when the sphere contains 50 cubic inches of clown breath
Answer:
Step-by-step explanatio the way the question is phrased Is confusing
WILL GIVE BRAINLIESTTTT, FIVESTARS ANDTHANKS
PLEASEHELP
Answer:
3 is the answer
Step-by-step explanation:
answer up above
pls need help in math<3
[tex]8 \times 60 = 480 \: \: min[/tex]
For 3 people
____________________________________________
Thus for each person it may take :
[tex]480 \div 3 = 160 \: \: min[/tex]
And for 5 people it will take :
[tex]160 \times 5 = 800 \: \: min[/tex]
Answer is 780 minutes
2.6 hours = 1 person
8/3 = 2.66 (continuing)
5 x 2.6 = 780 minutes (13 hours)
So, 5 people = 780 minutes
780, if rounded, = 800
Simplify the expression 63 + 5(4-2)
Answer:
63 + 10
Step-by-step explanation:
when you do parenthesis and the number is next to another one with no symbol you multiply so 4-2 = 2 2 x 5 = 10 giving you 63 + 10
It took a car 3 hours to travel from town a to town b the wheel of a car completes a rotation in one second how many degrees has it turned
The number of degrees that have been turned by the car when it travels from town a to town b will be 1080°.
How to calculate the number of degrees?From the information given, it was stated that it took a car 3 hours to travel from town a to town b and the wheel of a car completes a rotation.
In this case, a rotation is 360°, since there are 3 rotations, the degrees will be:
= 360 × 3
= 1080°
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A large aircraft is flying on a bearing of 310° (50° west of north) with an airspeed of 700 mph. It is being affected by a 100 mph wind
blowing towards the west, as shown in the diagram below.
The distance, R, as indicated in the diagram, that the plane has travelled after 1 hour is, to the nearest mile,
Answer:
779
Step-by-step explanation:
Aiming to get the value of formula
Given that
50° + 80² = 140°.
:: Cos140² = 100 + 700²³ - R²
kaw of ousines axivox. T
·· R² = 607246
R≈ 780 miles
• The result is T80 miles
Please help with 12. Simplify.
[tex]\dfrac 1{x+y} + \dfrac{3}{x-y} + \dfrac{2}{x^2-y^2} \\\\\\=\dfrac 1{x+y} + \dfrac{3}{x-y} + \dfrac{2}{(x+y)(x-y)}\\ \\\\=\dfrac{x-y+3(x+y)+2}{(x+y)(x-y)}\\\\\\=\dfrac{x-y+3x+3y+2}{(x+y)(x-y)}\\\\\\=\dfrac{4x+2y+2}{(x+y)(x-y)}\\\\\\=\dfrac{2(2x+y+1)}{(x+y)(x-y)}[/tex]
Tim bought 555 crayons that came in packs of of 15. There were 7 colors of crayons. How many crayons did Tim buy
Answer:
555
Step-by-step explanation:
The packs the colors came in and the colors do not matter. The initial value of crayons is 555.
Write in standard form
(4.6 x 10^6) x (5 x 10^-4)
5 Henry wants to add these numbers. 53 +81 +44 + 72 Explain how he can find the sum by breaking the numbers into tens and ones. What is the sum?
Answer:
50+3+80+1+40+4+70+2
Step-by-step explanation:
Pls thank if correct
Dont get mad if not correct.
Hope this helps <3
i need help with this
Answer: B) x=5, x=1
Step-by-step explanation:
To start multiply everything in the expression by 2
[tex]0.5x^{2} -3x+2.5\\x^{2} -6x+5[/tex]
Now factor the trinomials for when a=1
So you must find two numbers that add to -6 and multiply to 5
In this case, the numbers are -1 and -5
[tex]x^{2} -6x+5\\(x-1)(x-5)[/tex]
Now set each of the factors equal to 0 and solve for x
[tex]x-1=0\\x-1+1=0+1\\x=1[/tex]
[tex]x-5=0\\x-5+5=0+5\\x=5[/tex]
6. What is the area of the shared region to the nearest
tenth of square ft?
[tex]\textit{area of a circular ring}\\\\ A=\pi (R^2-r^2)~~ \begin{cases} R=\stackrel{larger}{radius}\\ r=\stackrel{smaller}{radius}\\[-0.5em] \hrulefill\\ R=50\\ r=36 \end{cases}\implies \begin{array}{llll} A=\pi (50-36)\implies A=14\pi \\\\\\ A\approx 44.0 \end{array}[/tex]
Which of the following is equal to? ( in picture)
Answer:
2 option hope it helps
Hence, option D is correct.
Explanation:[tex]\dashrightarrow \sf \sqrt{\sqrt[3]{2}}[/tex]
apply radical rule
[tex]\dashrightarrow \sf \left(2^{\dfrac{1}{3}}\right)^{\dfrac{1}{2}}[/tex]
apply exponent rule
[tex]\dashrightarrow \ \sf 2^{\dfrac{1}{6}}[/tex]
What is the circumference (rounded to the nearest meter) of a circular swimming pool that has a radius of 10 meters?
A. 120
B. 63
C. 60
D. 31
E. 30
Please help with the answer and explain it to me.
Answer:
63
Step-by-step explanation:
You get the answer by multiplying the radius by 2 to get the diameter and then multiplying the result by pi or 3.14, which gives you 62.83 and then round it up which is 63
Find the surface area of a rectangular prism (like the rectangular prism below) that is 16 feet by 1.5 feet by 2 feet.
Solve and get 30pts!!
Answer:
Surface area of the rectangular prism=
Step-by-step explanation:
Given Dimensions of the rectangular prism are:
[tex]Length(L)=16yards[/tex]
[tex]Width(w)=2yards[/tex]
[tex]Height(H)=1.5yards[/tex]
Surface Area of a rectangular prism=
[tex]2(L*W+W*H+H*L)[/tex]
[tex]=2(16*2+2*6+6*16)[/tex]
[tex]=2(32+12+96)[/tex]
[tex]=2(140)[/tex]
[tex]=140yards^2[/tex]
The surface area of the rectangular prism is [tex]140yards^2[/tex]
6 cm 4 cm 10 cm What is the surface area of the figure? square centimeters
Answer:
2 x 10 x 4 + (4 + 10) x 2 x 6 = 80 + 168 = 248
The first sequence rule is subtract 10 starting from 55. The second sequence rule is add 3 starting from 6. What is the first number that appears in both sequences? 15
12
9
5
Answer:
15
Step-by-step explanation:
Trust me it 15.
Too long to explain...
Which expressions are perfect square trinomials? check all that apply. x2 16x 8 x2 14x 49 x2 – 5x 25 x2 – 24x 144 x2 9x – 81
The perfect square trinomial will be [tex]\rm x^2+14x+49[/tex] , [tex]x^2-24x+144[/tex]Expression 2 and 4 are correct.
What are trinomials?A mathematical expression with three terms or three monomials is called a trinomial. Polynomials having only three terms are known as trinomials.
The second and fourth expression seems to be the perfect square let's check it.
Expression 2;
[tex]x^2 + 14x+49 \\\\ x^2+7x+7x+49 \\\\ x(x+7)+7(x+7)\\\\ (x+7)(x+7) \\\\ (x+7)^2[/tex]
Expression 4;
[tex]x^2-24 x +144 \\\\ x^2-12x-12x+144 \\\\ x(x-12)-12(x-12) \\\\ (x-12)^2[/tex]
Hence the perfect square trinomial will be [tex]\rm x^2+14x+49[/tex] , [tex]x^2-24x+144[/tex] .Expressions 2 and 4 are correct.
To learn more about the trinomials refer to the link;
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Answer:
Options 2 and 4
Step-by-step explanation:
A ball was projected into the air with an initial upward velocity of 72 feet per second. The quadratic function graphed below shows the height, h, of the ball t seconds after it was projected into the air.
What is the domain of the function for this situation?
Question 20 options:
0≤t≤4.5
0
0
0≤h≤80
The domain is represented by the set of values of the time, that is, the horizontal axis, and the domain of the given function is represented by t ∈ [0, 4.5].
How to determine the domain of the function of the height of the ball in function
All functions are relations in which there is no value of the domain related to more than one value of the range, functions in explicit form related the variable of the range in terms of the variable of the domain.
Based on the information shown in the graph, the domain is represented by the set of values of the time, that is, the horizontal axis, and the range is represented by the set of values of the height, that is, the vertical axis.
Hence, the domain is represented by the set of values of the time, that is, the horizontal axis, and the domain of the given function is represented by t ∈ [0, 4.5].
To learn more on functions, we kindly invite to check this verified question: https://brainly.com/question/12431044
A firm is considering projects s and l, whose cash flows are shown below. These projects are mutually exclusive, equally risky, and not repeatable. The ceo wants to use the irr criterion, while the cfo favors the npv method. You were hired to advise the firm on the best procedure. If the wrong decision criterion is used, how much potential value would the firm lose?.
If the wrong discion criterion is used, the potential lose in value for the firm is $209.07.
What is the correct decision criterion?
The correct decision criterion is the net present value. Net present value is the present value of after-tax cash flows from an investment less the amount invested. The internal rate of return is the discount rate that equates the after-tax cash flows from an investment to the amount invested
What is the loss in value if the wrong decision criteria is used?The net present vaue and the internal rate of return can be calculated using the financial calcuator.
Project S:
Cash flow in year 0 = $-1025Cash flow each year from year 1 to 4 = $380I = 6%
NPV = 291.74
IRR = 17.86%
Project I:
Cash flow in year 0 = $-2150
Cash flow each year from year 1 to 4 = 765
I = 6%
NPV = 500.81
IRR = 15.78%
If the wrong criteria is used, Project S would be chosen.
Loss in value = 500.81 - 291.74 = $209.07.
Here are the cash flows used:
WACC: 6.00%
Year 0 1 2 3 4
CF S -$1,025 $380 $380 $380 $380
CF I -$2,150 $765 $765 $765 $765
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The radius of a circle is 3 ft. Find its area in terms of
π
π.
area of circle = πr² (where "r" is the radius)
===========
Here the radius: 3 ft
Area:
πr²π(3)²9πFor 5 points and brainliest to the best correct answer, find the missing measures.
Thank you
Answer:
x = 7y = 97°z = 19Step-by-step explanation:
The markings on the figure show this to be a parallelogram. That means opposite sides are congruent. Because the sides are parallel, "alternate interior" angles are also congruent.
__
Angle y forms a linear pair with the one marked 83°, so is supplementary to it:
y = 180°-83° = 97°
__
The angle marked y is an exterior angle to the triangle containing the angle marked (7x -5)°. As such, it is equal to the sum of the remote interior angles, the one marked (7x -5)° and the unmarked one that is congruent to (3x +32)°.
(7x -5) +(3x +32) = 97 . . . . . angle relations in the left-side triangle
10x +27 = 97 . . . . . . . collect terms
10x = 70 . . . . . . . . subtract 27
x = 7 . . . . . . . . divide by 10
__
The side marked Z is congruent to the opposite parallel side, so ...
z = 19
__
The missing measures are ...
x = 7y = 97°z = 19_____
Additional comment
You can also find the value of y by adding up the interior angles of the right-side triangle. The one not shown there is "alternate interior" to the one marked (7x -5)°, hence has the same measure. This gives ...
(7x -5) +(3x +32) +83 = 180
Subtracting 83° from both sides gives the equation we used above.