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sergeinik [125]
3 years ago
12

Awnser please dont have much time

Mathematics
1 answer:
BabaBlast [244]3 years ago
8 0

pretty sure it's this one couldn't see the bottom though

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Pls help! Solve the equation by using quadratic formula. <br><br> -2x’2 + 4x = 5
OleMash [197]

Answer:

x=\frac{2\pm i\sqrt{6}}{2}

Step-by-step explanation:

-2x^2+4x=5\\\\-2x^2+4x-5=0\\\\x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\ \\x=\frac{-4\pm\sqrt{(4)^2-4(-2)(-5)}}{2(-2)}\\\\x=\frac{-4\pm\sqrt{16-40}}{-4}\\\\x=\frac{-4\pm\sqrt{-24}}{-4}\\ \\x=\frac{-4\pm2i\sqrt{6}}{-4}\\ \\x=\frac{2\pm i\sqrt{6}}{2}

4 0
2 years ago
Sean tried to drink as fast as he could. He drank the slushy at a constant rate. There were originally 275 milliliters of slushy
Artist 52 [7]

The rate at which Sean drank the slushy is 5 milliliters  per second.

The time it would take to drink all the slushy is 55 seconds.

<h3>How fast did Sean drink?</h3>

In order to determine the speed at which the slushy was drank, divide the slushy drank in 13 seconds by 13 seconds.

Speed = slushy drank in 13 seconds / time

(275 - 210) / 13

65 / 13 = 5 milliliters  per second

Time it would take to drink all the slushy =total milliliters of the slushy / speed

275 / 5 = 55 seconds.

To learn more about average speed, please check: brainly.com/question/21734785

#SPJ1

3 0
2 years ago
A painting is 16 in wide and 8 in tall if it is reduced to a height of 2 in then how wide will it be
allochka39001 [22]

Answer: 4 in. wide

Step-by-step explanation: to get from 8 to 2, you divide by 4.

if you divide 16 by 4, the answer is 4

7 0
4 years ago
Read 2 more answers
What is this awnser? 2/5y=4
MA_775_DIABLO [31]

Answer:

\frac{2}{5}y=4\quad :\quad y=10

4 0
4 years ago
Read 2 more answers
Franklin rolls a pair of six-sided fair dice with sides numbered 1 through 6.
Zarrin [17]

Answer:

The answer is 7/36.

Step-by-step explanation:

First, you find out how many possible outcomes there are from rolling a pair of dice. On one cube, you can roll a 1,2,3,4,5, or 6; so there are 6 outcomes. Since there are two cubes, you multiply 6 by itself to get a total of 36 possible outcomes. Next, you find the probability of the sum of the numbers rolled being an even number; the possibilities are 2,4,6,8,10, or 12, which is 6/36. The probability of rolling a multiple of 5; the one possibility is just 5, since we already accounted for rolling a 10 as an even number. So that is 1/36. The word <u>or</u> says that we add the two probabilities, so the final answer is 6/36+1/36=7/36.

6 0
3 years ago
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