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Anestetic [448]
3 years ago
15

What is the answer to 6x+c=k for x

Mathematics
2 answers:
wolverine [178]3 years ago
8 0

Answer:

x=k-c/6

Step-by-step explanation:

6x+c=k

-c

6x = k-c

/6

x=k-c/6

seropon [69]3 years ago
4 0

Answer:

x=k-c/6

Step-by-step explanation:

6x+c=k

   -c    -c

6x=k-c

/6     /6

x=k-c/6

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Mr. Sanchez bought some book s at the book sale, including 15 paperbacks books. 75% of all the books he bought were paperbacks.
goblinko [34]

Answer:

Sanchez bought 20 books.

Step-by-step explanation:

Represent the total number of books purchased by t.  Then:

0.75n = 15.  Thus, n = 20.

Sanchez bought 20 books.

4 0
4 years ago
Is this done correctly or incorrectly??<br> PLEASE LET ME KNOW<br><br>PLZ HELP ASAP
Dimas [21]
You're very close. However, the less steep line should go through (4,7) and not some point slightly above that location. Also, the shaded region should be above both dashed lines at the same time. So you won't include the portion that I've marked in blue (see attached). Other than that, it looks great. 

3 0
3 years ago
Explain why it would not make sense to approximate 256 using the binomial theorem for the binomial (20 + 5)6.
Olenka [21]

The formula for the Binomial Theorem with a power 6 is as:

(x+y)^6=x^6+6x^5y+15x^4y^2+20x^3y^3+15x^2y^4+6xy^5+y^6

Thus, if we plug in 20 for x and 5 for y, our first term itself will be 20^6=64000000 which is much greater than 256 and thus it will not make any sense to use (20+5)^6 to approximate 256 using the binomial theorem.

Also, it will not make any sense to use (20+5)6 as that has no power and we know that Binomial Theorem makes use of Power. Anyway, (20+5)6=150\neq 256.

Our best bet here would be to use the equation with power 8:

(x+y)^8=x^8+8x^7y+28x^6y^2+56x^5y^3+70x^4y^4+56x^3y^8+28x^2y^6+7xy^7+y^8

and have x=1 and y=1 which will give us

(1+1)^8=1^8+8(1)^7(1)+28(1)^6(1)^2+56(1)^5(1)^3+70(1)^4(1)^4+56(1)^3(1)^8+28(1)^2(1)^6+7(1)(1)^7+(1)^8 =256

5 0
4 years ago
Read 2 more answers
EXPERT HELP I'LL GIVE BRAINLIEST:
ICE Princess25 [194]

Answer:

990, C

Step-by-step explanation:

The formula for the surface area of the bottom cushion is

A = 2wl + 2lh + 2hw (w is width, l is length, h is height)

w = 18, l = 21, h = 3

A = 2(18)(21) + 2(21)(3) + 2(3)(18)

A = 2(378) + 2(63) + 2(54)

A = 756 + 126 + 108

A = 990 (C)

5 0
3 years ago
Select all the options that have the same value as 3 1/2% of 20?
r-ruslan [8.4K]

Solution:

As, we have to find , 3 \frac{1}{2} of 20=\frac{7}{2}% of 20

= \frac{7}{2\times 100}\times 20\\\\ = \frac{7}{10}  \\\\ =0.70

If we have to Percent of a certain number it means , divide that number by 100 , for example x% means \frac{x}{100}.

And if i am writing , x% of y it means ,   \frac{xy}{100}.



8 0
3 years ago
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