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kherson [118]
3 years ago
6

Solve using the quadratic formula:

rmula1" title=" {3x}^{2} + 2 = 6" alt=" {3x}^{2} + 2 = 6" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
satela [25.4K]3 years ago
7 0

Answer:

x = 2/3, -2/3

Step-by-step explanation:

Solve the equation for  x  by finding  a ,  b , and  c  of the quadratic then apply the quadratic formula.

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Charles has $87 in his checking account. He spent $14 and $17, then deposited $33. If he wants to buy a television that cost $18
tester [92]

Answer:

He need $99 more

Step-by-step explanation:

87-14-17=56+33=89

188-89=99

5 0
3 years ago
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Trying to help my daughter can't figure this out.
Anvisha [2.4K]

Answer:

width equals 16

length = 20

Step-by-step explanation:

Hello there!

we know that the perimeter is 72 m

and the width is 4 m less then the length

perimeter is 2w+2l

w=width and l = length

72 + (2x-4) = 72+8 = 80

80 / 4 (because there are 4 values, w, w, l, l ) = 20

so now...

20 - 4 = w

16 = w

and 20 = l

16+16 = 32

20+20 = 40

32+40 = 72

7 0
3 years ago
Find the mean median and mode (I NEED HELP ASAP)
Lina20 [59]

Answer:

12) mode= no mode

     mean=62

     median=81

13) mode=74

mean=78

median =74

14) mode=80

mean=73

median=70

15)mode=70

mean=74

median=75

16)mode-no mode

mean=51

median=45

17)mode=86

mean=55

median=77

18)mode=no mode

mean=79

median=78

19)mode=70

mean=77

median=79

hope that helps :D

8 0
2 years ago
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A bean plant grows at a constant rate for a month. After 10 days, the plant is 25 centimeters tall. After 20 days, the plant is
wariber [46]
Y = 2x + 5

If you take the height at 10 days, 25 centimeters, after 10 more days the height is 45 centimeters, meaning for those 10 extra days the been plant grown 20 centimeters. Since we're told the plant is growing at a constant rate, this shows the bean plant is growing 2 centimeters per day. We can represent this with y = 2x. (After 10 days, the bean plant will be 20 centimeters, after 20 days, the bean plant will be 40 centimeters, etc.)

However, this is not completely true yet. As you can see, after the first 10 days the plant is not 20 centimeter, it's 25 centimeters. We already know the rate in which the plant is changing, but now we need to find the height that the plant was originally, before it started growing.

After the first 10 days, the plant is 25 centimeters tall. Since we know that the plant is growing 2 centimeters per day, we can subtract 20 from 25 to find the original height of the bean plant.

25 - 20 = 5
The bean plant was originally 5 centimeters.

This makes our final equation y = 2x + 5.
2x is the slope, and 5 is the y intercept.

Hope this helps1!
5 0
3 years ago
The price of a theater tickets 56.89.There are 22 seats in each row of the theater .How much would it cost to buy tickets for 2
mihalych1998 [28]

Answer:

Step-by-step explanation:

one row has 22 seats

2 rows have 44 seats

44x56.89=2,503.16

5 0
3 years ago
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