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Sidana [21]
3 years ago
15

Which of the following expressions contain a coefficient of 4? Choose the TWO correct answers.

Mathematics
2 answers:
Fed [463]3 years ago
5 0
C and D

Any number before a variable is a coefficient. (4r & 4z)
lara [203]3 years ago
3 0

Answer:

C and D

Step-by-step explanation:

A number used to multiply a variable. Example: 6z means 6 times z, and "z" is a variable, so 6 is a coefficient.

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Five friends bought admission tickets the museum and a box lunch.the cost of each admission ticket was $11.75.each box lunch cos
slega [8]
Cost of the admission tickets: 11.75x

Cost of the box lunch: 5x

Expressions to find the total cost = (1) ....... 11.75x + 5x

That is equivalent to: (2) .......... (11.75 + 5)x = 16.75x.

Now calculate the cost for x = 5 using both expressions:

1) 11.75(5) + 5(5) = 58.75 + 25 = 83.75

2) 16.75(5) = 83.75

Of course you got the same result with both expressions.
4 0
3 years ago
What is 35 divided by 300
3241004551 [841]

Answer

8.57142857143

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3 0
3 years ago
Read 2 more answers
6 people share 4/5 pound of peanuts equally. What fraction of a pound of peanuts does each person receive?
Oxana [17]
(4/5) / 6 =
4/5 * 1/6 =
4/30 =
2/15....each person gets 2/15 lb of peanuts
3 0
4 years ago
Tìm kiếm x y z<br> x-1/y =1<br> y-1/z =1<br> z-1/x =1
const2013 [10]

<em>y</em> - 1/<em>z</em> = 1   ==>   <em>y</em> = 1 + 1/<em>z</em>

<em>z</em> - 1/<em>x</em> = 1   ==>   <em>z</em> = 1 + 1/<em>x</em>

==>   <em>y</em> = 1 + 1/(1 + 1/<em>x</em>) = 1 + <em>x</em>/(<em>x</em> + 1) = (2<em>x</em> + 1)/(<em>x</em> + 1)

<em>x</em> - 1/<em>y</em> = <em>x</em> - (<em>x</em> + 1)/(2<em>x</em> + 1) = (2<em>x</em> ² - 1)/(2<em>x</em> + 1) = 1

==>   2<em>x</em> ² - 1 = 2<em>x</em> + 1

==>   2<em>x</em> ² - 2<em>x</em> - 2 = 0

==>   <em>x</em> ² - <em>x</em> - 1 = 0

==>   <em>x</em> = (1 ± √5)/2

If you start solving for <em>z</em>, then for <em>x</em>, then for <em>y</em>, you would get the same equation as above (with <em>y</em> in place of <em>x</em>), and the same thing happens if you solve for <em>x</em>, then <em>y</em>, then <em>z</em>. So it turns out that <em>x</em> = <em>y</em> = <em>z</em>.

3 0
3 years ago
Solve for c<br>16 — 20 - 40​
givi [52]

Answer:

c=50

Step-by-step explanation:

6 0
3 years ago
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