3 years ago

4 63/99 in simplest form

Mathematics

1 answer:

mr_godi [17]3 years ago

4 0

4 and 7/11 is the answer.

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Which statement about the following equation is true?

spayn [35]

The given expression is

$3x^2 -8x +5 = 5x^2$

We have to find the discriminant first . And for that, first we need to move whole terms of the left side to right side, that is

$5x^2 -3x^2 +8x -5=0$

$2x^2+ 8x -5 =0$

The formula of discriminant is

$D =b^2 -4ac$

Substituting the values of a,b and c, we will get

$D = 8^2 -4(2)(-5)=64+40 = 104$

And since the discriminant is greater than 0, or it is positive so we have two real roots.

Therefore the correct option is B .

7 0

3 years ago

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in how many ways can a family of four be seated at a round table if two brothers must sit together a)1 b)8 c)2 d)4

Contact [7]

Answer:

Step-by-step explanation:

i think this is right if not it would be 2

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3 years ago

A group of 33 people attended a ball game. there were twice as many children as adults in the group. set up a system of equation

taurus [48]

Gjoydxvbkurulnjuvxrhbv

8 0

3 years ago

PLEASE HELP WILL GIVE BRAINLIEST!!!!!!!!! The line plot shows the results of a survey of 10 boys and 10 girls about how many tim

Alchen [17]

Answer:

I think the answer is D. On average, boys saw the movie more than girls.

Do great on the test! ~ :)

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3 years ago

Peter cycles for 1/4 hours at a speed of 20 km/h

yKpoI14uk [10]

Answer:

His average speed is

12 km/hr

Step-by-step explanation:

Remember the triangle of Speed, Distance and Time. If you remember it, you'll ace these kinda questions.

I had trouble with these formulas but the triangle helped me a LOT! Anyways, let's get back to the question. The formula for average speed is pretty much the same as the formula for just speed. The average speed formula is

Average speed

Total Distance

Total Time

So......

48 km

4 hr

12 km/hr

My source

I hope this explanation helps you!

5 0

3 years ago