I need this done quick.

I Need This Done Quick.

Answers

Answer 1
Answer:
460

Steps:
The Arithmetic Series formula is:
S = n( (a1 + an) / 2)

Take note that:

S = the sum of n terms
n = number of terms
a1 = the first term
an = the last term

We are given n, a1, an. Let’s solve for S.

S = 20( (18 + 28) / 2)
18 + 28 = 46
46 / 2 = 23
20 * 23 = 460

Related Questions

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!!

Answers

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]

Alex and Bev sat six tests, each with 50 marks.
The table shows their mean percentages after five tests.
Alex
60%
Bev
52%
After all six tests, their mean percentages were equal.
In the sixth test, Alex scored 24 out of 50
Work out Bev's score, out of 50, in the sixth test. ​

Answers

52% of 50 is 26 out of 50

Answer:

44

Step-by-step explanation:

60 × 5 or 300

or

52 × 5 or 260

24

50

× 100 or 0.48 × 100

or 48

348 implies

60 × 5 +

24

50

× 100 – 52 × 5

or

300 + 48 – 260 or 88

what is the translation from quadrilateral EFGH to quadrilateral E' F'G'H'

Answers

Answer:

transformation down 4, transformation right 1

Step-by-step explanation:

Answer:

Four down, 1 right so [tex](x+1,y-4)[/tex]

Step-by-step explanation:

Hope this helps! Have a good day! :)

Write in standard form
(4.6 x 10^6) x (5 x 10^-4)

Answers

The answer is under the equation

Tim bought 555 crayons that came in packs of of 15. There were 7 colors of crayons. How many crayons did Tim buy

Answers

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.

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.

Answers

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

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.

Answers

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.

Here is a pyramid with a base that is a pentagon with all sides the same length


Describe the cross section that will result if the pyramid is sliced:

horizontally (parallel to the base).


vertically through the top vertex (perpendicular to the base)

Answers

The shape of the cross section formed from slicing the pyramid is called; a triangle

What is the Pyramid's Cross Section?

We are told that it is a pyramid with a base that is a pentagon with all sides the same length.

Now, the Pyramid's ap-ex is usually constructed by isosceles triangles. Thus, when they are sliced from its ap-ex to from the vertex, in the cross section a triangle will be formed, This triangle will be an isosceles triangle.

In conclusion, the shape of the cross section formed from slicing the pyramid is a triangle.

Read more about pyramid cross section at; https://brainly.com/question/10076762


. Which is a true statement about the transformation?

Answers

Answer: The orientation of the vertices was changed.

(x, y) ---> (x + 8, y - 3)

Step-by-step explanation: The triangle translation isn't on quadrant II, it's on quadrant I, so that answer choice isn't correct.  The triangle ABC translated 8 units right and 3 units down, not 8 units left and 3 units up.  Whenever you dilate, translate, rotate, or reflect triangles like ABC, the next triangle becomes A'B'C because it shows you that it's a transformation of the original triangle.  The orientation of the figure didn't change, because it didn't change shape, rotation, or size, so the orientation wasn't affected at all, just the vertices.  

The transformation is (x, y) ---> (x + 8, y - 3), because think of it like this.  I already said that the triangle translated 8 units to the right, which means that the triangle is translating 8 units in the positive direction to the right.  The triangle going 3 units down is in the negative direction, and that's why it's (x, y) ---> (x + 8, y -3).

Let me know if this is right! :)

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?​

Answers

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

How do you find the other side lengths of a right triangle when only given the value of one of the sides?

Answers

Subtract the one value from 180 and then divide that number by 2 to get the 2 values. So if one side is 90, they other sides would be 45 each

Simplify the expression 63 + 5(4-2)

Answers

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

The table shows us how many sit ups she has done over the past few days-
At this rate how many sit-ups will she do on day 12?

Answers

Answer:

177

Step-by-step explanation:

the number of sit-ups is going up in 4s , so if i take the 33 sit ups she does on the 5th day i add 4 to that 12 times , so you just do 33+12 and multiply that by 7 since thats how many days she has until 12.

Simplify this equation is easiest form.

Answers

Answer:

no. 4

Step-by-step explanation:

=25x - 125/x^2 - 25

=25(x-5) / x^2 - 5^2

=25(x-5) / (x-5) (x+5) <use of formula a^2 - b^2=(a-b) (a+b)>

=25/x+5 <cut (x-5) on both side>

Joshua is trying to determine the equation of a quadratic function

whose vertex is (-3,5) and passes through the point (-1,2).

If he writes his final answer in the form (x)= a(x-1)2+k, what will be

the values(numbers) of a, h, and k?


And the last answer choice is

a=-3/4

h=-3

K=5

Please help

Answers

[tex]~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \stackrel{vertex}{(-3~~,~~5)}\qquad y=a[x-(-3)]^2+5\implies y=a(x+3)^2+5 \\\\\\ \textit{we also know that} \begin{cases} x=-1\\ y=2 \end{cases}\qquad 2=a(-1+3)^2+5\implies -3=a(2)^2 \\\\\\ -3=4a\implies -\cfrac{3}{4}=a~\hfill \boxed{y=-\cfrac{3}{4}(x+3)^2+5}[/tex]

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

Answers

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

Step right up for a brainliest

Answers

if this is for free thanks but I think the answer is the second one because it is longer and goes up to the same but can also go farther than the other one

Find the outer perimeter of this figure. Round
your answer to the nearest hundredth. Use
3.14 to approximate pi.
P = [ ? ] ft.

Answers

Answer:

61.90 ft

Step-by-step explanation:

Perimeter: the boundary that surrounds a shape

1) Find the perimeter of the semicircle using this formula: [tex]\frac{1}{2} *2\pi r[/tex], where [tex]r[/tex] is the radius, and π is 3.14 (according to the question).

1.1) We need to find the radius first.

Radius = Diameter ÷ 2

So, 10 ÷ 2 = 5

1.2) Input the values into the semicircle formula.

[tex]\frac{1}{2} *2(3.14)(5)[/tex]

1.3) solve for the perimeter of the semicircle.

[tex]\frac{1}{2} *31.4[/tex]

= 15.7

2) Find the perimeter of the triangle and the rectangle.

= [tex]6 + 12.2 + 14 + 14[/tex]

= 46.2

3) Add them.

= [tex]46.2 + 15.7[/tex]

= 61.9 ft

3) Round the answer (61.9) to the nearest hundredth (according to the question).

= 61.90 ft

As per the total length of the arc of a semicircle, the outer perimeter of this figure is 61.9 feet.

What is the total length of the arc of a semicircle?

A semicircle that has a radius of 'r' units, has the total length of it's arc is

= πr units

In the given figure, the semicircle has a diameter = 10 feet.

Therefore, the radius of the semicircle

= 10/2 feet

= 5 feet

Now, the total length of it's arc is

= πr units

= 3.14 × 5 feet

= 15.7 feet

Therefore, the outer perimeter of this figure is

= (12.2 + 6 + 14 + 15.7 + 14) feet

= 61.9 feet

Learn more about the total length of the arc of a semicircle here: https://brainly.com/question/27879128

#SPJ3

Find the area of this figure

Answers

Step-by-step explanation:

well, I see one large rectangle (20×6), and 2 small triangles with their horizontal sides being (20-8-6)/2 = 3 m. and their vertical joined side being 10-6 = 4 m.

the total area is simply the sum of the rectangle and the 2 triangles.

the rectangle is

20×6 = 120 m²

each triangle is

4×3/2 = 2×3 = 6 m²

we have 2 of them, so their combined area is 2×6 = 12 m².

the total area is

120 + 12 = 132 m²

A car speeds up from 0 to 15 m/s in 5 s. What is the car's acceleration?
A. 0.3 m/s/s
B. 3 m/s/s
C. 10 m/s/s
D. 20 m/s/s

Answers

Answer: B 3m/s²

Step-by-step explanation: Acceleration is difference in speed /time = 15-0/5

3 m/s/s basic physical science bro also you must understand the basics the only
You’ll know actual physic’s of your going to take it

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?.

Answers

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 = $380

I = 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

To learn more about net present value, please check: https://brainly.com/question/25748668

WILL GIVE BRAINLIESTTTT, FIVESTARS ANDTHANKS
PLEASEHELP

Answers

Answer:

3 is the answer

Step-by-step explanation:

answer up above

Some1 help pzl

Find the surface area 7m 15m 6m

Answers

Answer:

474 m²

Step-by-step explanation:

Surface area of a rectangular prism:

SA = 2(lw + lh + hw)

Given:

width (w) = 6 mlength (l) = 7 mheight (h) = 15 m

⇒ SA = 2(7 · 6 + 7 · 15 + 15 · 6)

         = 2(42 + 105 + 90)

         = 2(237)

         = 474 m²

Answer:

474 Sq m

Step-by-step explanation:

You have two sides that are 7m x 6m

(7*6)*2 = 84

You have two sides that are 15m x 6m
(15*6)*2 = 180

You have two sides that are 15m x 7m

(15*7)*2 = 210

84+180+210=474

expand and simplify 2(5x+3)-2(2x-3)

Answers

Answer:

hopes this helps.

Step-by-step explanation:

Hey there!


2(5x + 3) - 2(2x - 3)

DISTRIBUTE

= 2(5x) + 2(3) - 2(2x) - 2(-3)

= 10x + 6 - 4x - 6

COMBINE the LIKE TERMS

= (10x - 4x) + (6 + 6)

= 10x - 4x + 6 + 6

= 6x + 12


Therefore, your answer is: 6x + 12


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

The binomial (a 5) is a factor of a2 7a 10. what is the other factor? (a 2) (a 5) (a−2) (a−5)

Answers

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:

https://brainly.com/question/13947055

Answer:

(a + 2)

Step-by-step explanation:

5. Find the value of x to the nearest tenth. Volume of the prism
is 576 cm?
Volume: 576 cm3

Answers

the volume of the triangular prism will be, the area of the triangular face times its length

[tex]\stackrel{\textit{area of the triangle}}{\left[ \cfrac{1}{2}(\underset{b}{8})(\underset{h}{8}) \right]}~~ ~~\stackrel{length}{(x)}~~ = ~~\stackrel{volume}{576}\implies 32(x)=576 \\\\\\ 32x=576\implies x=\cfrac{576}{32}\implies x=18[/tex]

i need help with this ​

Answers

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]

molly is 4 years younger than Heidi. In 3 years, Heidi will be twice as old as Molly. How old are they now

Answers

Answer:

Molly would be 1 years old.

Step-by-step explanation:

"In three years..."

(m+3) will be Molly's age then.

(h+3) will be Heidi's age then.

(h+3) = 2(m+3) :: given.

.

Subsitute what we know about m, which is it equal h-4.

.

(h+3) = 2(m+3)

(h+3) = 2m + 6

substitute m=h-4

(h+3) = 2(h-4) +6

h +3 = 2(h -4) +6

h +3 = 2h -8 +6

h +3 = 2h -2

h = 2h -8 +3

-h = -5

h = 5

Heidi is 5 years old now.

.

m = h-4

m = 5-4

m = 1

Molly is 1 years old now.

Daniel owns a synall business selling used books. He knows that in the last week 60
customers paid cash, 4 customers used a debit card, and 23 customers used a credit
card.
Based on these results, express the probability that the next customer will pay with a
credit card as a fraction in simplest form.

Answers

The probability that the next customer that comes into Daniel's business will pay with a credit card is 23 / 87.

What is the probability?

Probability determines how likely it is that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

The probability that the next customer will pay with a credit card = number of people who paid with a credit card / total number of customers

23 / (23 + 60 + 4)

23 / 87

To learn more about probability, please check: https://brainly.com/question/13234031

4.
1 in
14 in
2.5 in
Volume of each prisms

Answers

Answer:

ength l = 1 in

width w = 14 in

height h = 2.5 in

diagonal d = 14.3 in

total surface area Stot = 103 in2

lateral surface area Slat = 75 in2

top surface area Stop = 14 in2

bottom surface area Sbot = 14 in2

volume V = 35 in3

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