Correct question:
a sequence U1, U2,U3...... is defined by the relation [tex]U_{n +1} = 2U_n +5[/tex]. if U1 =2, find U2 and U3
Answer:
U2 = 9
U3 = 23
Step-by-step explanation:
Given sequence;
[tex]U_{n +1} = 2U_n +5[/tex]
U1 = 2
U2 = ?
[tex]U_{n +1} = 2U_n +5\\\\U_2 = 2(U_1) + 5\\\\U_2 = 2(2) + 5\\\\U_2 = 4 + 5\\\\U_2 = 9[/tex]
Solving for U3;
[tex]U_3 = 2(U_2) + 5\\\\U_3 = 2(9) + 5\\\\U_3 = 18 + 5\\\\U_3 = 23[/tex]
57 POINTS!!!!!!! PLEASE HELP MEE. ALSO DUEE RIGHT NOW
TOPIC: MATH
Please solve all the questions in the attachment.
Answer:
1. 2
2. 5.2
3. (c * 2) - 3= a
4. ($85 + $35 * h)
Step-by-step explanation:
1. |4−2| (simplified)
= |2|
=2
2. 2a^2 = 5.2
(22)(1.3)
=(4)(1.3)
=5.2
(2.6 - (2*1.3))=
5.2 - (2.6 - 2.6) = 5.2
3. (c * 2) - 3= a
4. ($85 + $35 * h)
Select all the expressions that are equivalent to 4 (3x+6y
A. 12x+6y
B. 12x+24y
C. 2 (6x+12y)
D. 4 (12x+24y)
Answer:
the answers are b and c
Step-by-step explanation:
b
[tex]12x + 24y = \\ 4(3x + y)[/tex]
c
[tex]2(6x + 12y) = \\ 12x + 24y = \\ 4(3x + 6y)[/tex]
Juan had some pieces of gum. He gave 23 pieces to his brother. His sister then gave him 5 more pieces. Now he has 39 pieces of gum. How many pieces of gum did Juan start with.
Answer:
This equals 11
Step-by-step explanation:
Answer:
57
Step-by-step explanation:
39-5 equals 34 then add 23 that adds up to 57
2 x [(27–3) - (3+4)] = n
what’s (n)
Answer:
n = 34
Step-by-step explanation:
2{(24- ( 3 + 4)) =n
2{(24 - 7) =n
2 x 17 = n
34 = n
swap the sides
n = 34
Laptop scan 182 megabytes of data in 7 seconds. How many megabytes does it download per seconds
Answer:
jdkkdksmsmsmsksksksksksmaMmamMamnz
Step-by-step explanation:
nnznznznznxnxnxnsnskakakakakakzznnznanananaan
find the equation plz due today helppp
Answer:
y=-2x+2
Step-by-step explanation:
The slope goes before x and the y intercept is added. y=mx+b
PLS HELP
Given the following diagram, find the required measures.
Given: l || m
m∠4= 105 and m∠6=50
m∠2=
50
55
75
Answer:
55
Step-by-step explanation:
m L 2 = 105-50 = 55°
______
please help me!!!!lol
Answer:
a = 0, b = 7
a = 1, b = 6
a = 2, b = 5
a = 3, b = 4
a = 4, b = 3
a = 5, b = 2
a = 6, b = 1
a = 7, b = 0
Step-by-step explanation:
the sum of a and b must equal 7 because 4 x 7 = 28
Please help!! I've been stuck on this for a while, any help is greatly appreciated!!
What is the equation that represents the table below?
Answer:
every 2.5 kilometers is another 4 miles
Step-by-step explanation:
by looking at the chart you can see that the kilometers raise by 2.5 every 4 miles.
14. Which of the following correlation coefficients represents the strongest linear
relationship?
1) 0.78 2) 0.34 3) -0.10 4) -0.88
Jimmy bought a refrigerator that cost $525 before tax. He paid 8% of this amount in tax. What was the total cost of the refrigerator including tax?
Answer:
$567 after tax
Step-by-step explanation:
first, let's multiply 525 by 0.08 because he paid 8% (0.08) of 525 in tax.
525(0.08)= 42
now, let's add them together, because the question asks for the total cost.
525+42=567
$567 after tax
A group of girls plays 2 hours of video games. They equally share the playing time between the 4 of them. How many minutes of play time does each girl get?
Answer: A: 30
Step-by-step explanation: 2 hours in minutes is 120 minutes.
(60 minutes is in an hour so multiply 60 * times 2=120)
120 divided by 4 is 30. You're splitting 120 minutes into 4 pieces.
30 is the answer. Happy Women's Month! #BeBrainly
A rectangle has a length of 5 inches and a
width of 3 inches. If a similar rectangle has
a width of 15 inches, what is its length
Answer:
It should be 25.
Step-by-step explanation:
one Triangle is 5 times the size of the other triangle
length of 5 x 5 = 25
width of 3 x 5 = 15
A basket contains five apples and eight
peaches. You randomly select a piece of
fruit and then return it to the basket. Then
you randomly select another piece of fruit.
Both pieces of fruit are apples.
pls help i appreciate them so muchh
Answer:
Choice C
Step-by-step explanation:
4x+80=180 degrees
summation of all angles in a triangle is 180°
x years after the year 2015 the population of the city of Fulton is given by the function of F(x)=35000(1.03)^x and the population of the city of breenville is given by the function g(x)=80000(0.95)^x ?
Answer:(2) (3) (4)
Step-by-step explanation:
someone help Slope from graph
hey whats the answer to this ? will mark brainliest if correct
Answer:
C. 128°Step-by-step explanation:
Here,
<BAC + <BAE = 180° [Since supplementary angles]
=> 52° + <BAE = 180°
=> <BAE = 180° -52°
=> <BAE = 128° (Ans)
A bag of cookies contained 9 chocolate chip cookies, 10 sandwich cookies, and 3 peanut butter cookies. If you
reach into the bag without looking, what is the probability that you will NOT pull out a peanut butter cookie?
Write your answer as a fraction in simplest form.
Answer:
19/22
Step-by-step explanation:
cc = 9
sand = 10
pb = 3
total = 22
P(not pb) = 19/22
What is the difference in the medians of the two exams? a 5 points b 15 points c No difference d 10 points
Answer:
What are the medians of the two exams? Can you post a picture?
half-life of Po-210 is 140 days. If the initial mass of the sample is 5
kg, how much will remain after 420 days.
Answer:
[tex]0.625kg[/tex]
Step-by-step explanation:
we are given half-life of PO-210 and the initial mass
we want to figure out the remaining mass after 420 days
in order to solve so we can consider the half-life formula given by
[tex] \displaystyle f(t) = a {0.5}^{t/T} [/tex]
where:
f(t) is the remaining quantity of a substance after time t has elapsed.a is the initial quantity of this substance.T is the half-lifesince it halves every 140 days our T is 140 and t is 420. as the initial mass of the sample is 5 our a is 5
thus substitute:
[tex]\displaystyle f(420)=5\cdot{0.5}^{420/140}[/tex]
reduce fraction:
[tex]\displaystyle f(420)=5\cdot{0.5}^{3}[/tex]
By using calculator we acquire:
[tex]\displaystyle f(420)=0.625[/tex]
hence, the remaining sample after 420 days is 0.625 kg
1. Express 36 minutes as a fraction of an hour: 36 minutes hour
Answer:
0.600
Step-by-step explanation:
36minutes/60 minutes
PLEASE HELP!!!
A weather forecaster predicts that there is a 50% chance of rain on Saturday and a 40% chance of rain on Sunday. If these probabilities are correct, what is the probability that it will rain on both days?
I need a little help
ok so you have to take out c beacsue ########
1) Solve for Side A.
2) Solve for Angle B.
Best answer will receive Brainliest.
solution given;
let
AB=a
AC=b=30ft
AB=c=20ft
<A=115°
By using Cosine rule.
a²=b²+c²-2bc cos angle
a²=30²+20²-2*30*20 Cos 115°
a²=1807.1419
a=√[1807.1419]
a=42.51
Side A is 42.51ft.
Again
Cos B=[tex] \frac{a²+c²-b²}{2ac} [/tex]
Cos B=[tex] \frac{42.51²+20²-30²}{2*42.51*20} [/tex]
Cos B=0.7687
<B=Cos -¹(0.7687)
<B=39.46°
Angle B is 39.46°
would be so kind of someone to solve this ty (it’s multiple choice btw)
Answer:
C
Step-by-step explanation:
con ayuda de tu familia formula un
ejercicio de combinación simple puedes
utilizar tu computador a escribirlo en
tu cuaderno.
ayuda es para hoy doy coronita
https://youtu.be/GZcm4mswivc
espero que te ayude
A map has a scale of 5 in. = 15 mi. If you measured the distance between two cities to be 26 in. On the map, how many miles would it actually be? If necessary, round your answer to the nearest tenth.
Answer:
Actual distance between the two cities given on the map = 78.0 miles
Step-by-step explanation:
Scale used for the actual distance between two cities on a map is,
5 in. = 15 mi.
[tex]\frac{5}{15}[/tex] in. = [tex]\frac{15}{15}[/tex] mi.
1 mi. = [tex]\frac{1}{3}[/tex] in.
1 inch = 3 miles
Therefore, 26 inches on the map = 26 × 3
= 78 miles
Therefore, actual distance between the two cities given on the map = 78.0 miles
Flip a coin 4 times and calculate the experimental probability of the coin landing heads up. Flip a coin 4 more times to increase the total number of trials to 8. What is the experimental probability of the coin landing heads up?
Answer:
0.35 Not sure
Step-by-step explanation:
Answer:
3/4 and 5/8
Step-by-step explanation:
A bakery bakes 2000 loaves in 5 hours . How many loaves will be baked in 12
Answer:
4,800 loaves.
Step-by-step explanation:
Solve by utilizing ratios and cross-multiplication.