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Gre4nikov [31]
3 years ago
10

Help please . Thank you

Mathematics
1 answer:
MArishka [77]3 years ago
7 0
The general form is ax²+bx+c=0,
so at least we know b has to be 0. None of the values match unless we multiply everything by 4. That leads to answer B, a=1, b=0 and c=20
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16. A plastic tray is shown, with the dimensions
Virty [35]

Answer:

calculate it. its not cheating, its like flash cards but better, besides its made for that reason.;)

Step-by-step explanation:

7 0
3 years ago
4b - a if a=2 b=4 find its answer
romanna [79]

Answer:

14

Step-by-step explanation:

if b=4 and a=2, then you substitute both those values into the equation, turning (4b - a) into (4*4 - 2), then you use order of operations, meaning you multiply the 4 times the 4, which turns it into 16-2, and then subtract 2 to finally reach your answer of 14.

5 0
2 years ago
For part A and B, the options are positive and negative.
ipn [44]

Answer:

Coordinates: (2, -1)

Part A

X coordinate is positive

Y coordinate is negative

Part B

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X coordiate is negative

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Good luck!

6 0
2 years ago
Read 2 more answers
X + 5y = 28<br> - x - 2y = -13
bazaltina [42]

Answer:

x=3

y=5

Step-by-step explanation:

x+5y=28 (i)

-x-2y=-13. (ii)

add equation 2 from equation 1

x+5y=28

-x-2y=-13

3y=15

y=5

put the value of y in equation 1

x+5y=28

x+5*5=28

x+25=28

x=28-25

x=3

8 0
3 years ago
Let's say you take an exam worth 240 points and your score marked the 78th percentile of all the exam scores. Based on this you
gladu [14]

Answer:

28%

Step-by-step explanation:

78th percentile means 78% scored less than/equal to you.

100 - 78 = 22%

3 0
3 years ago
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