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lilavasa [31]
3 years ago
6

Find the value of the following expression:

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
3 0

Answer:

4

Step-by-step explanation:

Kazeer [188]3 years ago
3 0
The answer is 4 I hope this helps
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Find the difference.<br> 100 – (-87)
Firlakuza [10]

Answer: 187

Step-by-step explanation:

negative cancels negative so that will turn to positive. (-) x (-) = +

100- (-87)

=

100 + 87

= 187

5 0
3 years ago
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What is the value of -<br> 3x + 2(y - 1)<br> when x = 4 and y = 3?<br> x + y²<br> Show your work.
nika2105 [10]

Answer:

-8

Step-by-step explanation:

substitute

x=4

       into -3x+2(y-1):

x=3

-3x4+2x(3-1)

-12+2x(3-1)

-12+2x2

-12+4

= -8

4 0
3 years ago
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Chapter Reference
Levart [38]

Step-by-step explanation:

It is given that,

Total length of a board is 65 inches

It is sawed into two pieces such that one piece is 7 inches shorter than twice the length of the other piece.

Let x is the length of other piece and y is the length of first piece such that,

y = 2x-7 ....(1)

Also,

x+y = 65 .....(2)

Put the value of y from equation (1) to equation (2) such that,

x+2x-7 = 65

3x=65+7

3x=72

x = 24 inches

Put the value of x in equation (1)

y = 2(24)-7

y = 41 inches

So, the length of first piece is 41 inches while the length of other piece is 24 inches.

3 0
3 years ago
Choose an equation for the line shown in the graph, please sweetheart
d1i1m1o1n [39]
Y=2/3x+1 is the equation as the intercept is (0,1) and gradient is 2/3
6 0
3 years ago
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Between july 1, 2000, and July 1, 2007, the estimated population of a city declined from 5901 to 5169. What was the percent decr
blsea [12.9K]
It is the change over the original number.

5901-5169=732

732 over 5901 = \frac{732}{5901} = .1240 or 12.4%

3 0
3 years ago
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