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kodGreya [7K]
3 years ago
12

Write the quadratic equation in standard form: 5x – 20 = 3x2

Mathematics
1 answer:
wariber [46]3 years ago
5 0

Answer:

5x=26

Step-by-step explanation:

multiply the numbers

move the constant to the right

add numbers

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Is 3/16 equivalent to 3/8? How do you know?
Ymorist [56]

Answer: 3/16 is not equivalent to 3/8

Step-by-step explanation: 3/16 would be like eating 3 pieces of a pie that has 16 pieces whilst 3/8 would be like eating 3 pieces of a pie that has 8 pieces. They are mildly similar but 3/16 is twice as small as 3/8 and henceforth not equivalent.

7 0
3 years ago
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Which ratio shows tangent if angle A.
Alexandra [31]

Answer:

8/15

Step-by-step explanation:

tangent = opposite/adjacent,

so tan(A) = 8/15

6 0
3 years ago
120 to 52 what % decrease
noname [10]
The formula is percent= part/whole so it would be 52/120 which is .43333333333<span> or 43%</span>
3 0
3 years ago
there are two sizes of red and blue marbles in a box. Of the big marbles in the box, 45 are red and 3/4 are blue. The fraction o
nikklg [1K]
Big marbles = 45red 3/4 blue
Small marbles = 2/5 red    3/5 blue    24 more small blue mabrles than red marbles
What percentage of the marbles are big marbles

First of all lets working out the missing values: 
Big Marbles, 45 red, 3/4 blue. If 45 red is 1/4, then 135 (45*3) is 3/4.
Big Marbles, 45 red, 135 blue = 180 in total

For the small marbles, we do some logical thinking:
If red is 2/5, and blue is 3/5. And blue has 24 more than red.
That means 24 = 1/5
So in total there are 120 small marbles (24*5)
There are 180 big marbles 
We add these together, 120 + 180 = 300 marbles
180 / 300 = 0.6 = 60%
^ Divide the big marbles by the number of total marbles

60% of the marbles are big marbles

<u>Please vote my answer brainliest if I helped!</u>
3 0
3 years ago
How to find when,<br>y=-1/3x - 3<br>​
Montano1993 [528]
The -3 would be where your line crosses the y-axis, so you would plot your point at -3. your slope will always be counted as rise/run, basically meaning you would count along the y-axis a certain amount of times, in this case -1, and along the x-axis a certain amount of times, here would be three. your next plot point would be (3,-4) and so on. hope this helped!
7 0
2 years ago
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