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Sunny_sXe [5.5K]

3 years ago

8

if an ice cream factory makes 350 quart of ice cream in 2 hours?how many quarts could be made in 12 hours? what was the rate in

that day

1 answer:

UkoKoshka [18]3 years ago

8 0

2,100 quarts could be made in 12 hours. The rate for that day was 175 quarts every hour. We get this by dividing 350 by 2.

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A card is drawn from a well-shuffled deck of 52 cards. Find the probability that the card is a red card or a 6?

zimovet [89]

Answer:

50% chance of it being red; a 13% chance of it being 6.

Step-by-step explanation:

50% because half the deck is red or black

13% because only 4 cards a 6 so 52÷4=13

8 0

3 years ago

Which of the following is a solution of x^2 + 2x + 4?

Kaylis [27]

Answer:

$\displaystyle x_1=-1+\sqrt{3}i$

$\displaystyle x_2=-1-\sqrt{3}i$

Step-by-step explanation:

<u>Second-Degree Equation</u>

The second-degree equation or quadratic equation has the general form

$ax^2+bx+c=0$

where a is non-zero.

There are many methods to solve the equation, one of the most-used is by using the solver formula:

$\displaystyle x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

The equation of the question has the values: a=1, b=2, c=4, thus the values of x are

$\displaystyle x=\frac{-2\pm \sqrt{2^2-4\cdot 1\cdot 4}}{2\cdot 1}$

$\displaystyle x=\frac{-2\pm \sqrt{-12}}{2}$

Since the square root has a negative argument, both solutions for x are imaginary or complex. Simplifying the radical

$\displaystyle x=\frac{-2\pm 2\sqrt{-3}}{2}=-1\pm\sqrt{3}i$

The solutions are

$\displaystyle x_1=-1+\sqrt{3}i$

$\displaystyle x_2=-1-\sqrt{3}i$

7 0

3 years ago

I NEED HELP AGAIN T^T

Gala2k [10]

Answer:

adjacent angles

Step-by-step explanation:

they all touch

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negative and negative= positive

3x+2

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Step-by-step explanation:

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3 years ago

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