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ikadub [295]
3 years ago
7

If 5+20-22-3x = 10-2-2x + 5, what is the value of x?

Mathematics
1 answer:
Scrat [10]3 years ago
8 0

Answer:

x = -10

Step-by-step explanation:

combine like terms

3-3x=13-2x

since there are 2 x's move one them

3-3x = 13 -2x

 +2x        +2x

--------------------

3 - x = 13

-3        -3

-------------

-x = 10

you cant have negative variables so we multipy both sides by -1

-1(-x = 10)

x = -10

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A clothing store pays $89.47 for a dress. The store’s percent of markup is 50% and the tax is 7.6%. Find the selling price for t
Marta_Voda [28]
Hi,
SP=Selling Price
CP of dress= $ 89.47
percent of mark up = 50%
SP without tax= 100+ mark up % /100 * CP
SP without tax= 100+50/100 * 89.47
SP without tax= 150/100 * 89.47
SP without tax= 1.5 * 89.47
SP without tax= $ 134.205
tot. SP(SP with tax)= 100 + tax %/100 * SP
SP=100 + 7.6/100 * 134.205
SP= 107.6/100 * 134.205
SP= 1.076 * 134.205
SP=  $144.40458
Hope this helps you.
7 0
3 years ago
Find the maclaurin series for f(x) using the definition of a maclaurin series. [assume that f has a power series expansion. do n
Nady [450]

The equation of f(x) = e^{-6x} by maclaurin series is f(x)=\sum_{i=0}^{\infty} \frac{(-6.x)^{i}  }{i!}.

The maclaurin series for f(x) is defined by the following formula:

f(x) = \sum_{i=0}^{\infty} \frac{f^{(i)} (0)}{i!} .x^{i}--------------(1)

Where f^{i} is the i - th derivative of the function

If f(x) = e^{-6x}, then the formula of the i - th derivative of the function is:

f^{i} =(-6)^{i} .e^{-6x}----------------------(2)

Then,

f^{i}(0) = (-6)^{i}

Lastly, the equation of the trascendental function by Maclaurin series is: f(x)=\sum_{i=0}^{\infty} \frac{(-6)^{i}.x^{i}  }{i!} \\f(x)=\sum_{i=0}^{\infty} \frac{(-6.x)^{i}  }{i!}---------------(3)

Hence,

The equation of f(x) = e^{-6x} by maclaurin series is f(x)=\sum_{i=0}^{\infty} \frac{(-6.x)^{i}  }{i!}.

Find out more information about maclaurin series here

brainly.com/question/24179531

#SPJ4

4 0
1 year ago
The price of a car has been reduced from $16,500 to $11,055. What is the percentage decrease of the price of the car?
cupoosta [38]

Answer:

33%

Step-by-step explanation:

$16,500-$11,055= $5,445

$5,445÷$16,500= 0.33 which in percentage format is 33%

HOPE THIS HELPS! MARK BRAINLIEST PLEASE!!!!!

4 0
3 years ago
Read 2 more answers
Pls help i’ll mark brainly llllllll<br> !!!!!!!!!!!!b
PtichkaEL [24]

Answer:

10 square units

Step-by-step explanation:

you have 4 complete squares

2 halves, which makes 1 square

and 10 other oddly divided squares which would complete one another perfectly if you put them together 2 by 2.

5 0
3 years ago
4n+2=8n-4n step by step
Yuri [45]
The answer to the question

6 0
3 years ago
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