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Lapatulllka [165]
3 years ago
11

What is the solution to 3x2+7x−20=0

Mathematics
2 answers:
Misha Larkins [42]3 years ago
4 0

Answer:

Your answer is -4

Hope that this is helpful. Tap the crown button, Like & Follow me

den301095 [7]3 years ago
4 0

Answer:

x = 5/3

x = -4

-Evaluate the exponent

-Multiply the numbers

-Add the numbers

-Evaluate the square root

-Multiply the numbers

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ollegr [7]
Hello,

We suppose x≠+/-π/2.

2cos x - √2=0
==>cos x=√2/2
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If 317 + x = 609 then,
diamong [38]

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E

Step-by-step explanation:

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Jay had 6 times as much money as Kay. Then Jay gave Kay $33. Jay now has twice as much money as Kay. How much did they each star
timofeeve [1]

Answer:

Jay started with $148.5 and Kay with $24.75.

Step-by-step explanation:

With the information provided you know that Jay had 6 times as much money as Kay wich can be expressed as:

J=6K, where

J is the money Jay had

K is the money Kay had

Also, you know that  Jay gave Kay $33 and Jay now has twice as much money as Kay, which would be:

J-33=2(K+33)

Now, you can replace J=6K in this equation and solve for K:

6K-33=2K+66

6K-2K=66+33

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K=24.75

Then, you can replace the value of K in J=6K:

J=6*24.75

J=148.5

According to this, the answer is that Jay started with $148.5 and Kay with $24.75.

7 0
2 years ago
Where do I put the parentheses in 21-8-6=7
Sliva [168]

Answer:

around 21-8 so the equation would look like this (21-8)-6=7

Step-by-step explanation:

you do this because if u put the parentheses around 8-6 you would get 21- (8-6)= 19 because 21 - 2 = 19 so you have to put them around 21-8 to get the right answer

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Nostrana [21]
I’m pretty sure it’s 1 1/3
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3 years ago
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