9514 1404 393
Answer:
(b) a[1] = -7, a[n] = a[n-1] + 3
Step-by-step explanation:
Comparing the given formula to the general form for the n-th term of an arithmetic sequence ...
an = a1 +d(n -1)
we see that the first term (a1) is -7, and the common difference (d) is +3.
The recursive version of the sequence definition is ...
a[1] = a1
a[n] = a[n-1] +d
So, the appropriate choice is ...
a[1] = -7, a[n] = a[n-1] +3
can someone help i am trying to finish my assignments because i am tired 9 1/6÷5+3 1/3
Answer:
Step-by-step explanation:
9 1/6 ÷ 5 + 3 1/3 = [tex]\frac{55}{6}*\frac{1}{5}+\frac{10}{3}[/tex]
[tex]=\frac{55}{30} + \frac{10}{3}\\\\= \frac{55}{30}+\frac{10*10}{3*10}\\\\=\frac{55}{30}+\frac{100}{30}\\\\=\frac{55+100}{30}\\\\=\frac{155}{30}\\\\=\frac{31}{6}\\\\=5\frac{1}{6}[/tex]
Which algebraic expression means “four less than three times a number”?
4 - n cubed
3 n - 4
4 - 3 n
n cubed - 4
Answer:
4-3n
Step-by-step explanation:
would be the correct answer
What is the answer???
Answer:
I cant see the whole thing
Which one has a greater rate of change?
help me please with this maths homework
Hopefully someone can help
I need to find
Measure of Arc BC
Measure of Angle B
Measure of Angle C
Measure of Arc AB
Answer:
arc BC=96 degrees
angle B=55 degrees
angle C=77 degrees
arc AB=154 degrees
(check: 48+55+77=180 and 110+154+96=360)
Step-by-step explanation:
angles A, B, & C are inscribed angles
angle A=1/2 arc BC
arc BC=96
since arc AC=110, then arc AB=360-110-96
arc AB=154
angle B=1/2(110)
angle B=55
angle c=1/2(154)
angle c=77
helpppp pleaseeeeee!!!!!
Answer:
ok you really think someone is goin to do your homework for ya
would be ok with like a problem also dis goes ugainst the rules of brainly
Step-by-step explanation:
Original price: $48.50
Sales tax: 6%
Answer:
$51.41
Step-by-step explanation:
trust
Given the following exponential function, identify whether the change represents
growth or decay, and determine the percentage rate of increase or decrease.
y=330(1.46)
Answer:
It is growth and the percentage increase is 46%
Step-by-step explanation:
The general form of an exponential function is;
Y = I(1 + r)^n
where Y is the present value, I is the initial, r is the growth or decay ratio, n is the number of times
To know if an exponential function is growth or decay, we need to know the repeating factor
If repeating factor is greater than 1, we have growth, if otherwise we have decay (less than 1).
As we can see in this case, we have r greater than 2, so what we have is growth
To get the percentage increase since it is growth, we equate;
1.46 = 1 + r
r = 1.46-1
r = 0.46 which is same as 46%
Mr. Smith has 22% of his 176 total acres of corn planted. How many acres of corn are yet to be planted?
Answer:
137 acres
Step-by-step explanation:
7 + 4/5x = 9/10x
What does X equal?
Answer:
x=70
Step-by-step explanation:
how do you solve 2(a-1.1) = 5.8
Answer: 4
Step-by-step explanation:
2(a-1.1) = 5.8
2a -2.2 = 5.8
+2.2. +2.2
2/2a = 8/2
a= 4
Hope this helps <3
HELP PLEASE! 90 POINTS! I only want a good answer please. Random answers will be reported
Which of the following is the equation of the line that is parallel to y=3/5x+8 and goes through point (-10,4)?
a. y=-5/3x-12 2/3
b. y=5/3x+20 2/3
c. y=-3/5x-2
d. y=3/5x+10
Answer:
D.
Step-by-step explanation:
adjacent sides of a rectangle are congruent true or false?
Answer:
false
Step-by-step explanation:
opposite sides are congruent
i will give a brainlest, i promise, please help me with this.
Answer:
1) b and m
2) m∠8=m∠6
3) 160°
4)x=60°
Step-by-step explanation:
1) all straight lines sum to 180°
subtract the angles given from 180°
the other angle for b is 25°, while the other angle for m is 155°
so we can see that the angles for both lines are the same, hence they are parallel.
2) ∠8 should be the same as ∠6, ∠10 should be the same as ∠3, ∠7 same as ∠5 and ∠9 same as ∠4
in the options we are only given '∠8 should be the same as ∠6' as the correct answer, so we take that.
3) from the image we can see that both horizontal lines are parallel to each other, so both angles on the lines should be same, so ∠CET would be (2x-16)°
(2x-16)°+(7x+20)°=180°
we get x=20(nearest whole number)
∠CED=7x+20=7(20)+20=160°
4) since we need to show that they are parallel,
(2x+30)°=(4x-90)°
2x-4x=-90-30
-2x=-120
x=60
we then plug the x value into the two equations, in which we get 150° for both the angles [2(60)+30=4(60)-90] ⇒ (150=150)
I hope u understand it the way I put it.
PLZ` help asap!!!!! i will give brainest
Answer:
x = 2
Step-by-step explanation:
Answer:
x=2
Step-by-step explanation:
3 divided by 1.5 is 2, and then you divide 4 by 2 and you get 2!
I hope this helps and have a great day! :)
Easy question.. pls anwser
Answer:
Its B: -18
Step-by-step explanation:
- - makes a +
-57+37=-18
Answer: it’s B
hope this helps
A cyclist rides his bike 18 miles per hour what is the speed in minutes? How many miles will the cyclist travel in 10 minutes
Answer:
Step-by-step explanation:
18 miles..................60 min
18/60= 0.30 miles/ min
10 minutes 0.30*10=3 miles
Answer:
3 miles
Step-by-step explanation:
1 per hour = 60 minutes=> (18 x 10)/60 = 3 miles
2 1/4 = 1 2/7÷x
what is x?
Answer:
x=4/7
Step-by-step explanation:
Change mixed fractions to improper fractions
2 1/4 = 9/4
1 2/7 =9/7
Therefore, we have
9/4=9/7÷x
9/7÷x is 9/7×1/x=9/7x
Then, we have
9/4=9/7x
Cross multipy
9×7x=9×4
63x=36
Make x the subject of the formula, we have
x=36/63
x=4/7
find the value of x in the triangle below
Answer:
28
Step-by-step explanation
180=85+67+x
x=28
Please help making brainliest if correct
OMG PLEASE ANSWER QUICK!!!!!!!! I WILL GIVE BRAINLIEST!!
Answer:
12
Step-by-step explanation:
10/5/6=10*6/5=12
12 is the answer, hope this helps!!
What is the geometric mean of 3 and 18
Answer:
[tex]3 \sqrt{6} [/tex]
Answer:
3√6
Step-by-step explanation:
Sorry if im wrong.
have a nice day
Think of at least one thing you notice and at least one thing they wonder when you look at the dot plots below. Use complete sentences.
Answer:
there's no dots sir or no pictures
Please help! 10 points! Brailiest, stars, and hearts! Help! Please!
Order the numbers form least to greatest.
1.6 1.2 0 0.8 -0.1
Answer:
-0.1, 0, 0.8, 1.2, 1.6
Step-by-step explanation:
Answer:
-0.1,0.8,0,1.2,1.6
20 teachers have a cup of tea at break time. 2/5 of these teachers are women. 3/4 of the teachers had sugar in their tea, 3/5 of which were male. How many male teachers didn't have sugar?
Answer:
3 male teachers didn't have sugar
Step-by-step explanation:
total number of male teachers = 3/5 x 20 = 12
3/4 of teachers have sugar, which is 15
3/5 of 15 = 9 (number of males who had sugar)
total number of males (12) minus number who had sugar (9) equals number of males who didn't have sugar (3)
PLEASE ANSWER BEING TIMED!!! 30 POINTS!!!!!!
Answer:
Step-by-step explanation:
65+86+105=256
360-256=104 1=104
85+75+85=245
360-245=115 2=115
92+92+88=272
360-272=88 3=88
74+106+106=286
360-286=74 4=74
5=b i believe
Good luckxx
Answer:
Step-by-step explanation:
This in an example of how to do it, it is so easy you only need to add de angle values and then subtract.
the opposite of the absolute value of negative eight
Answer:
negative eight.
Step-by-step explanation:
The absolute value of -8 is 8, the opposite of that is -8.
The opposite of the absolute value of negative eight is 8.
Now, given statement is;
''The opposite of the absolute value of negative eight''.
We have to find value of given written expression.
What is Absolute value?
The absolute value or modulus of a number x is the value of x without any sign either negative or positive.
Now,
The absolute value of negative eight is,
⇒ l -8 l = 8
And, The opposite of the absolute value of negative eight ( 8 ) is,
⇒ -8
Hence, The opposite of the absolute value of negative eight is 8.
Learn more about the Absolute value visit:
https://brainly.in/question/63637
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Whats wrong with the touter anyone know?I need help!
Answer:
what do u mean im confused
Step-by-step explanation: