Answer:
nth term = 0.8 * -5^(n - 1)
First five terms are: 0.8, -4,
20, -100, 500
Step-by-step explanation:
First term, a1 = 0.8
Common ratio, r = -5
a1 = 0.8
Second term = ar
= 0.8 * -5
= -4
Third term = ar²
= 0.8 * -5²
= 0.8 * 25
= 20
Fourth term = ar³
= 0.8 * -5³
= 0.8 * -125
= -100
Fifth term = ar⁴
= 0.8 * -5⁴
= 0.8 * 625
= 500
First five terms are: 0.8, -4,
20, -100, 500
nth term = ar^(n - 1)
= 0.8 * -5^(n - 1)
nth term = 0.8 * -5^(n - 1)
Triangle P N M is shown. The length of P N is 7, the length of N M is 8, and the length of M P is 11.
Law of cosines: a2 = b2 + c2 – 2bccos(A)
Which equation correctly applies the law of cosines to solve for an unknown angle measure?
72 = 82 + 112 – 2(8)(11)cos(N)
82 = 72 + 112 – 2(7)(11)cos(M)
72 = 82 + 112 – 2(8)(11)cos(P)
82 = 72 + 112 – 2(7)(11)cos(P)
Answer:
8^2 = 7^2 + 11^2 – 2(7)(11)cos(P)
D.
Step-by-step explanation:
Edge 2021
The equation correctly applies the law of cosines to solve for an unknown angle measure is equation D.
What is a Triangle?A triangle is a polygon with three sides, three vertices, and three angles.
The length of P N is 7,
The length of N M is 8, and
The length of M P is 11.
The law of cosines is used to determine the missing sides and angles if two sides and an angle are given or three sides are given respectively.
The equation that correctly applies should have the two sides and the cosine of the included angle.
The correct equation is 8² = 7² + 11² – 2(7)(11)cos(P)
To know more about Triangle
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The square has a side length of 10 ft and the circle inside the square has a diameter of 10 ft find the approximate area of the shaded region use 3.14 as an estimation for
Answer:
[tex]Area = 21.5ft^2[/tex]
Step-by-step explanation:
See attachment
Given
Square:
[tex]Length = 10ft[/tex]
Circle:
[tex]Diameter = 10ft[/tex]
[tex]\pi = 3.14[/tex]
Required: Calculate the area of the shaded region
First, calculate the area of the square:
[tex]A_1 = Length^2[/tex]
[tex]A_1 = (10ft)^2[/tex]
[tex]A_1 = 100ft^2[/tex]
Next, the area of the circle.
[tex]A_2 =\pi * \frac{d^2}{4}[/tex]
[tex]A_2 =3.14 * \frac{10^2}{4}[/tex]
[tex]A_2 =3.14 * \frac{100}{4}[/tex]
[tex]A_2 =3.14 * 25[/tex]
[tex]A_2 =78.5ft^2[/tex]
The shaded region has the following area
[tex]Area = A_1 - A_2[/tex]
i.e. the difference between the area of the square and the area of the circle
[tex]Area = 100ft^2 - 78.5ft^2[/tex]
[tex]Area = 21.5ft^2[/tex]
round 2.85 to the nearest hunderdth
Shrings dining room table is round and has a radius of 4.5 feet. What is the tabletops area? Plz
Answer:
The answer should be 63.63! you might need to round it to 63.6 or 64
Step-by-step explanation:
Can someone please help me? I'm stuck. P.S. correct answer will get brainliest.
Answer:
Statement | Reason
1. AB = CB | Definition of isosceles triangle
2. AD = CD | Definition of median
3. BD = BD | Reflexive property
4. ΔADB ≅ ΔCDB | SSS (Side-side-side)
Answer:
Solution given:
1.AB=BC. definition of isosceles ∆
2.AD=DC. definition of median
3.BD=BD reflexive
4.∆ADB=∆ CDB S.S.S.axiom
due tomorrow i need help
Carina is painting the outside of a square pyramid. The net for the pyramid is shown below. 3 cm 4 cm Enter the total surface area, in square centimeters, of the pyran that Carina will paint.
Select the three expressions that are equivalent to
-2(4 - 3x) + (5x - 2).
A. 2x - 10
B. 11x - 10
C.-8 + 11x - 2
D. -8 - 11x - 2
E. -8 + 6x + 5x - 2
F. -8 - 3x + 5x - 2
What mathematical process did you use to
simplifying the expression above?
Answer:
B
Step-by-step explanation:
-2(4 - 3x) + (5x - 2)=
-8+6x+5x-2=11x-10
when there is a number in front of () you multiple every number that is inside the ()
can someone help me plz
Answer:
No thanks I don't feel like it
Step-by-step explanation:
I don't feel like it
help me pls with these 2 i will give brainliest for correct answer
Answer:
C
Step-by-step explanation:
(0,4) is the intercept
I need help figuring out the answer. please help
Answer:
it' b
Step-by-step explanation:
450 multiply by 5 = 2250
375 multiply by 4 = 1,500
1500+2250 ,=3750Can someone pls pls pls pls pls pls answer these question
Step-by-step explanation:
if you replace n = 1
(2)(7)^(1-1)
= (2)(7⁰)
= 2×1
= 2
if n = 2
(2)(7)^(2-1)
= (2)(7)^(1)
= 2×7
= 14
choice 1
find the coefficient
9514 1404 393
Answer:
1/3
Step-by-step explanation:
The coefficient of expansion can be found by computing the ratio of any (non-zero) image coordinate to its corresponding pre-image coordinate.
Q'x/Qx = 1/3
The coefficient of dilation is 1/3.
Tyler orders a meal that costs $15.
A. if the tax rate is 6.6% how much will the sales tax in be on Tyler's meal?
B. Tyler also wants to leave a 20% tip for the server. How much do you think he should pay in all explain your reasoning.
Answer:
A) 99 cents
B) 3 dollars
Step-by-step explanation:
15*0.066=$0.99
15*0.2=$3
(I didn't use post-tax total because most people tip on the pre-tax subtotal, since that is the service charge and they're tipping the service, not the tax).
The diameter of a cone is 4 centimeters and has a height of 6 centimeters. How much
greater is the volume of a cylinder that has the same diameter and same height?
The sum of the measures of the angles of the triangle is 180 degrees. What is the value of each angle in the triangle if angle one is (3x + 51), angle two is (x) and angle three is (x + 19)
Answer:
the answer is 180/90 = 2
Step-by-step explanation:
True or false...
When using the substitution method, one of the equations must say "x=" or "y=".
Answer:
true
Step-by-step explanation:
Joanna plans to completely cover a large soup can, including the top and bottom, with black paper. The diameter of the can is 6 in. and the height is 5 in. Which is a reasonable estimate for the number of square inches of paper that Joanna will need to cover the can? Select one: O 151 square inches
O 141 square inches
O 101 square inches
O 1,319 square inches
Answer:
141 square incges
Step-by-step explanation:
Answer:
The answer is 141 sq inch.
Am smort :D
What is the inverse function of f(x) = x/x-2?
A box has a height of 5 cm a Length
os 6 cm and a width of 2 cm
What is its volumes
Help me please
Please help
Answer:
5ft
Step-by-step explanation:
15÷3=5
URGENT HELP !!!!!! Answer correctly !!!!!!!!!!!! Will be marking brainliest !!!!!!!!!!!!!!
Answer: 6.32 (rounded)
Step-by-step explanation:
You need to use the pythagorean theorem. 2^2+6^2=c^2.
4+36=40
square root of 40 is 6.324 when rounded
Z-31=16??? I just got into the Z section in algebra and my teacher gave us a paper with no explanation plz help ty!
Answer:z=47
Step-by-step explanation:
You're doing this because if you have z-31=16 you have to + 31 to 16 which would give you 47 then that would be a one step equation
z-31=16
you would make a line between the equal sign so it is organized then plus 31 to sixteen then that would get you to 47
El 10% de que numero es 32
12 NEED HELP ASAP WILL GIVE BRAINLY
Answer:
x = 4
8(4) - 2 = 30
15(4) = 60
All triangles equal 180 degrees and there is already a right angle. 60 plus 0 is 90, and 90 plus 90 (or 90 times 2) is 180
60 + 30 = 90
90 + 90 = 180
Step-by-step explanation:
DUE ASAP PLZ HELP (brainliest if you get it right)
Part A
PERSEVERE Mei got scores of 76, 80, and 78 on her last three history exams. Write an inequality to determine the score, x, she needs on the next exam so that her average is at least 82.
Part B
Fill in the blanks to complete the sentence.
Solve the inequality.
Mei needs a score of at least ____ on the next exam.
here's the right answer!
A) 76 + 80 + 78 + x = 82 times 4
234 + x = 328
x = 94
B) Mei needs a score of at least 94 on the next exam.
hope you have a good day
How do I find measures to interior angles
Answer:
Just add all the angles together, and see if they add up to 180 degrees
Hope this helped! Have a nice day! Plz mark as brainliest!!! :D
-XxDeathshotxX
Annual sales for a company are $155,000 and increases at a rate if 8% per year for 9 years
The value of annual sales in 9 years is $309,845.72.
What is the value of annual sales in 9 years?In order to determine the annual sales of the company in 9 years, the formula to be used is:
FV = P (1 + r)^n
Where:
FV = Future value P = Present value R = interest rate N = number of years$155,000 x (1.08)^9 = $309,845.72
To learn more about future value, please check: https://brainly.com/question/18760477
brainliest for the fastest answer!!!!!!!!
its super easy
Answer:
The answer is B number os shoes ihope it help
I need help with this question