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2 years ago

What is the minimum value of the parabola y= x^2+5x

Mathematics

1 answer:

marta [7]2 years ago

4 0

(-2.5,-6.25)
Hope that helps!

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A bag contains 4 green 4 red 2 blue crayons, what is the probability of random choosing 2 red crayons without replacement

Ede4ka [16]

10 crayons in all.
P (red) = 4/10 or 2/5
P (2nd red) = 3/9 =1/3 since there are only 9 crayons left from which to choose and only three of them are red (since we already pulled one).

2/5 x 1/3 = 2/15 = P (2 red) with no replacement.

4 0

2 years ago

Read 2 more answers

Chance can wash the car in 2 hours, while Sandy can wash the same car in 4 hours. How many hours would it take for them to wash

aliya0001 [1]

Answer: First Option is correct.

Step-by-step explanation:

Since we have given that

Number of hours Chance can wash the car = 2 hours

Number of hours Sandy can wash the car = 4 hours

Work done by Chance per hour is given by

$\frac{1}{2}$

Work done by Sandy per hour is given by

$\frac{1}{4}$

Work done by altogether per hour is given by

$\frac{1}{2}+\frac{1}{4}\\\\=\frac{2+1}{4}\\\\=\frac{3}{4}$

So, Number of hours they take if they together wash the car is given by

$\frac{4}{3}$

Hence, First Option is correct.

6 0

3 years ago

Read 2 more answers

How do i simplify it?

Lemur [1.5K]

Answer:

6 3/4x

Step-by-step explanation:

If you follow PEMDAS (Parenthesis, Exponent, Multiply, Divide, Add, Subtract) then you do what is inside the parenthesis first.

3 1/2 divided by 2= 1 3/4

1 3/4 plus 5= 6 3/5

Then, you add the x and since there is no other variable like x, then you just leave it with 6 3/4.

Hope that helped! :)

3 0

2 years ago

3. QR find the arc length 02.83 021.99 O 12.57 0 34.56

jeka94

Your answer should be 12.57

8 0

2 years ago

in a science class students water a plant with the same amount of water each day for 28 consecutive days if the students use a t

Ksju [112]

0.85 millimeters is the correct answer

4 0

3 years ago

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