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sashaice [31]
3 years ago
7

Hi what is the answer for this

Mathematics
2 answers:
svp [43]3 years ago
5 0

<u><em /></u>

a   = a   + d(n-1)

 n      1

this is the formula for the arithmetic sequence.

the first sequence is arithmetic

an=1+7(n-1)

the second sequence is also arithmetic

an=12+4(n-1)

tensa zangetsu [6.8K]3 years ago
5 0

Expression for nth Term:

a) 1 + 7(n-1)

b) 12 + 4(n-1)

Step-by-step explanation:

The formula for the nth Term of a Linear Sequence = a + i (n-1)

a = Starting number

i = Increment between patterns

n = The number of the Term that you seek

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A carpenter charges $45 for every 50 feet of fence he builds plus a travel charge of $37.50. If the equation, C = 4550F + 37.5 ,
Tju [1.3M]

Answer:

Step-by-step explanation:

Given the total cost of the building expressed as;

C = 4550F + 37.5

C is the total cost

F is the length of the fence

Given

C = $352.50

Required

The length of the fence F

Substitute into the formula;

C = 4550F + 37.5

$352.50 =  4550F + 37.5

4550F = 352.50 - 36.5

4550F =  316

F = 316/4550

F = 0.0695 feet

hence 0.0695 feet of fence will cost $352.50

4 0
2 years ago
If triangle STU is congruent to triangle VWX, which statement is not true?
Svetach [21]
If triangles are congruent then, their corresponding sides and angles should have the same measurement. From the given, STU is congruent to VWX, angle S, T, U should be congruent to angles V, W, and X, respectively. From the choices, the answer should be letter D. because U and V do not appear in the same order from both names. 
4 0
2 years ago
OMG MY MATH TEACHER NEED THE WORK AND IDK WHAT TO DO!!!! Ok so the promblem is 0.5 divided my 38.50
soldi70 [24.7K]

its like 19.25 because thats the anwser and deal with it


3 0
3 years ago
Make 'm' the subject of the formula'k=3m-2
zaharov [31]

Answer:

m =  \frac{k + 2}{3}

Step-by-step explanation:

k = 3m - 2 \\ 3m = k + 2 \\ m =  \frac{k + 2}{3}

4 0
3 years ago
Read 2 more answers
Monitors manufactured by TSI Electronics have life spans that have a normal distribution with a variance of 2,250,000 and a mean
Svet_ta [14]

Answer: 0.1357

Step-by-step explanation:

Given : Monitors manufactured by TSI Electronics have life spans that have a normal distribution with a variance of \sigma^2=2,250,000 and a mean life span of \mu=13,000 hours.

Here , \sigma=\sqrt{2250000}=1500

Let x represents  the life span of a monitor.

Then , the probability that the life span of the monitor will be more than 14,650 hours will be :-

P(x>14650)=P(\dfrac{x-\mu}{\sigma}>\dfrac{14650-13000}{1500})\\\\=P(z>1.1)=1-P(z\leq1.1)\ \ [\because\ P(Z>z)=1-P(Z\leq z)]\\\\=1-0.8643339=0.1356661\approx0.1357

Hence, the probability that the life span of the monitor will be more than 14,650 hours = 0.1357

6 0
3 years ago
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