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Alexus [3.1K]
3 years ago
9

30 points! The solutions to the equation: 2x2 + x-1 = 2 are x=-3/2 or X=___

Mathematics
1 answer:
frez [133]3 years ago
3 0

Answer: A quadratic equation is one of the form ax2 + bx + c = 0, where a, b, and c are numbers, and a is not equal to 0. So I think x = 4 but not 100%

Sorry if I'm wrong but I hope this helps

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Which of the following equations are correct !! Choose 2 answers please !! I WILL MARK BRAINLIST
maks197457 [2]

Answer:

B and C are correct

Step-by-step explanation:

17/4 = 4.25

4 and 1/4 = 17/4

3 0
2 years ago
9. The water level is 3 feet below your dock. The tide goes out, and the water level lowers 1 foot. A storm surge comes in, and
AysviL [449]
We know that that the water level is 3 feet below your deck. (-3)
When the tide goes out, the water level lowers 1 foot. (-1)
A storm surge comes in, the water level rises 2 feet. (+2)

New water level: -3-1+2= -4+2= -2
The new water level is 2 feet below the dock.

<span>Mark as brainliest pls. Any concern or comment, talk to me.</span>
6 0
3 years ago
Which is the equation of the line that passes through (6, 2) and is perpendicular to a line with slope -1/3?
Firdavs [7]

Answer:

C

Step-by-step explanation:

\frac{ - 1}{3}  \times a = -1

then

a = 3 \: where \: a \: is \: our \: line \: slope

3 0
3 years ago
Read 2 more answers
Grayson's retirement party will cost $60 if he invites 10 guests. If there are 86 guests, how much will Grayson's retirement par
BlackZzzverrR [31]

Answer:

Grayson's party will cost $516.

Step-by-step explanation:

Start with putting a unit rate for money per person

60/10

Divide by 10

6/1 (6$ per person)

Then multiply by 86 (# of guests attending)

86 x 6 = 516

7 0
1 year ago
Simplify
vaieri [72.5K]
1.5/3=1.66667
2.6/3=2
3.2/9=2/9 (can not be simplified)
4.18/1=18
5.9/27=2/9
6.9/12=3/4
7.28/7=4
8.13/10=13/10(can not be simplified)
9.16/27=16/27(can not be simplified)
10.3/18=1/6
11.4/32=18
7 0
3 years ago
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