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MariettaO [177]
3 years ago
9

Given that a = 5,b = –2 and c = -2 work out 2b – 3ac

Mathematics
1 answer:
lapo4ka [179]3 years ago
4 0

Answer:

2b - 3ac \\ a = 5 \:  \:  \:  \: b =  - 2 \:  \:  \: c =  - 2 \\( 2 \times  - 2 )- (3 \times 5 \times  - 2) \\  (- 4) - ( - 30) \\  - 4 + 30 = 26

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Solve the equation and enter the value of x below<br> -9x-3 = 60
mina [271]

Answer:

-7

Step-by-step explanation:

-9x-3=60

add 3 to each side to cancel -3

-9x-3+3=60+3

simplify

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divide by -9 to cancel the -9

-9x/-9=63/-9

simplify

x=-7

4 0
2 years ago
Which of the following graphs is f(2) = 5
ser-zykov [4K]

Answer:

None.

Step-by-step explanation:

Where are the graphs? We need the extra information to complete this problem.

5 0
3 years ago
The square root of 12 is between A.) 3 and 4 B.) 4 and 5 C.) 5 and 6 D.) 6 and 7
natita [175]
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5 0
3 years ago
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What is 23×13 12points here
Harrizon [31]
I hope this helps you



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6 0
4 years ago
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B R O<br> H E L P<br> M E<br> T H A N K <br> Y O U : &lt; )
Ksivusya [100]
Rules: (-) plus (-) equals positive.
Anything negative in absolute value will turn positive. Example, | -2 | —> 2

|-4b-8|+|-1 -b^2| +2b^3; b=-2

First step is substituting all the “b” to -2.
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Then start solving.
|8-8| + |-1 -(4)| +2(-8)
|0| + |-5| -16
0 +5 -16= -11
Answer: -11
4 0
3 years ago
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