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GalinKa [24]
3 years ago
10

Solve the equation -5x+x over 2 = 9

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
5 0
Ok soo

-5x+x/2=9

- 4x/2=9

-(2^2-1 *x)=9

2x/2=- 9/2

x=- 9/2

x= -4 1/2
Alex73 [517]3 years ago
5 0
-5x+x/2=9 first times the two
-5x+x=18 the -5x and x can be combined to equal -4x
-4x=18 divide by -4
x=-4.5
or -9/2

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Which expression would be easier to simplify if you used the associative property to change the grouping? O A. (170 + 30) – 41 O
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2 years ago
Someone please help
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Answer:

(a) So the top of the hill is 365 feet above sea level.

(b) Checkpoint 5 is 185 feet higher than checkpoint 2.

Step-by-step explanation:

<u>Solution for (a):</u>

<u />

Checkpoint 2 is -218 feet above sea level.

The top of a hill rises 583 feet above Checkpoint 2.

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So the top of the hill is 365 feet above sea level.

<u>Solution for (b):</u>

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Read 2 more answers
Which of the following is the discriminant of the polynomial below x^2+4x+5
steposvetlana [31]

Answer:

\huge\boxed{\sf Discriminant = -4}

Step-by-step explanation:

Comparing it with quadratic equation ax^2 + bx + c = 0, we get:

a = 1 . b = 4 and c = 5

So,

Discriminant = b^2-4ac

D = (4)²-4(1)(5)

D = 16 - 20

D = -4

Hence,

Discriminant = -4

\rule[225]{225}{2}

Hope this helped!

<h3 /><h3>~AH1807</h3>
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