1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zzz [600]
3 years ago
13

Es urgente necesito ayuda​

Mathematics
1 answer:
zalisa [80]3 years ago
5 0
ANSWER

a)56
b)134
c)27
d)141
You might be interested in
2^(x+2)=2048<br>Solving for x​
svetoff [14.1K]

x=9 Hope this helps!!

4 0
3 years ago
For art class, each student
Mars2501 [29]

Answer:

s=25

Step-by-step explanation:

3 0
3 years ago
Find the 13th term of the arithmetic sequence -3x – 1,42 + 4,112 + 9, ...
Strike441 [17]

Answer:

The 13th term is 81<em>x</em> + 59.

Step-by-step explanation:

We are given the arithmetic sequence:

\displaystle -3x -1, \, 4x +4, \, 11x  + 9 \dots

And we want to find the 13th term.

Recall that for an arithmetic sequence, each subsequent term only differ by a common difference <em>d</em>. In other words:

\displaystyle \underbrace{-3x - 1}_{x_1} + d = \underbrace{4x + 4} _ {x_2}

Find the common difference by subtracting the first term from the second:

d = (4x+4) - (-3x - 1)

Distribute:

d = (4x + 4) + (3x + 1)

Combine like terms. Hence:

d = 7x + 5

The common difference is (7<em>x</em> + 5).

To find the 13th term, we can write a direct formula. The direct formula for an arithmetic sequence has the form:

\displaystyle x_n = a + d(n-1)

Where <em>a</em> is the initial term and <em>d</em> is the common difference.

The initial term is (-3<em>x</em> - 1) and the common difference is (7<em>x</em> + 5). Hence:

\displaystyle x_n = (-3x - 1) + (7x+5)(n-1)

To find the 13th term, let <em>n</em> = 13. Hence:

\displaystyle x_{13} = (-3x - 1) + (7x + 5)((13)-1)

Simplify:

\displaystyle \begin{aligned}x_{13} &= (-3x-1) + (7x+5)(12) \\ &= (-3x - 1) +(84x + 60) \\ &= 81x + 59 \end{aligned}

The 13th term is 81<em>x</em> + 59.

3 0
3 years ago
The sum of three times a number and seven is greater than four times the number
iris [78.8K]
3n + 7 ><span> 4n
-3n        -3n
7 > n
n</span> < 7
7 0
3 years ago
Which of the following shows the number 7.12 x 10^-3 written in standard form? Answer choices : 0.00712 : 0.0712 : 0.712 : 7,120
svet-max [94.6K]
<span>written in standard form
</span><span>
7.12 x 10^-3  = 0.00712

hope it helps</span>
7 0
3 years ago
Other questions:
  • What is the solution to the system of equations ? <br><br> 4x-5y=-17<br> x+6y=61
    5·1 answer
  • (6^2)^4 simplify expression
    10·1 answer
  • The high temperature for
    15·1 answer
  • How does the slope formula help you classify figures
    15·1 answer
  • Why mathematicians use radicals instead of decimals?
    8·1 answer
  • I'm stuck... what is the answer to this equation? <br><br><br>3p + 2 ≥ -10
    12·1 answer
  • Can someone please help me with this math question please. Please
    8·1 answer
  • What is the quotient of 78 divided by 4.68
    15·1 answer
  • What is 15 divided by 63.0
    13·1 answer
  • A line passes through the point (4,7) and has a slope of -5/2.
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!