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Vesna [10]
3 years ago
11

Solve for a and b. 40 30 5​

Mathematics
1 answer:
Zepler [3.9K]3 years ago
7 0
What kind of math is this first off
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Carlos went and purchased a new mattress for $644.80, including tax. He made a down
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3 years ago
Find the inverse f(x)=6x+7
Lorico [155]

Answer:

f^{-1} (x) = \frac{x-7}{6}

Step-by-step explanation:

let y = f(x) , then rearrange making x the subject

y = 6x + 7 ( subtract 7 from both sides )

y - 7 = 6x ( divide both sides by 6 )

\frac{y-7}{6} = x

Change y back into terms of x with x = f^{-1} (x) , then

f^{-1} (x) = \frac{x-7}{6}

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3 years ago
Elsie would like to take snowboarding lessons at powder mountain. She has saved $550 for lessons and a junior season pass that c
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So, she has 550 dollars saved. If the junior season pass costs 315, you subtract that from 550. You should then have 235 dollars. Next, you divide 235 by 45 dollars per lesson, and you should get 5.22. You can't buy half a lesson, so she only has enough for 5 lessons. 
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4 years ago
Read 2 more answers
Can someone help with this
mixas84 [53]

Step-by-step explanation:

-10-2x = 3x+15

5x = -25

x= -5

5 0
2 years ago
Given a geometric sequence with a1 = 6 and r= 2/3 write an explicit formula for an the nth term of the sequence.​
fomenos

the explicit formula for aₙ the nth term of the sequence will be:a_{n}=6\times (\frac{2}{3})^{n-1}\\

Step-by-step explanation:

The explicit formula of geometric sequence is of the form:

a_{n}=a_{1}r^{n-1}

where a₁ is the first term and r is the common ratio.

We are given:

a₁ = 6

r = 2/3

Putting values in the formula:

a_{n}=a_{1}r^{r-1}\\a_{n}=6\times (\frac{2}{3})^{n-1}\\

So, the explicit formula for aₙ the nth term of the sequence will be: a_{n}=6\times (\frac{2}{3})^{n-1}\\

Keywords: Explicit formula for geometric sequence

Learn more about Explicit formula for geometric sequence at:

  • brainly.com/question/1522572
  • brainly.com/question/3280369
  • brainly.com/question/2491745

#learnwithBrainly

6 0
3 years ago
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