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gladu [14]
3 years ago
10

Solve 3x+9 so it has one solution

Mathematics
1 answer:
svet-max [94.6K]3 years ago
7 0

Answer:

3x+9=0

3x=-9

x=-9/3=-3 is your answer

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What is the value of x in the equation below?
Wewaii [24]
Silver for x

-3 - (-8) - (-2) = x

Switch the equation to make x on the right

x = -3 - (-8) - (-2)

x = 5 - (-2)

x = 7

• A negative minus a negative will always evaluate to a positive.

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4 0
3 years ago
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You have two spinners
dem82 [27]

Answer:

There is a \frac{1}{12} chance of the spinner landing on red, then three.

Step-by-step explanation:

So the first one has a \frac{1}{4} chance, since there are four possibilities.

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3 years ago
School lunches cost ₱35.50 per week. about how much would 15.5 weeks of lunches cost?grade v​
Goryan [66]

Answer:

₱ 550.25

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5 0
3 years ago
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a surf instructor has an initial fee of $12 and charges $8 per hour for lessons. Write a linear equation that represents the tot
Ray Of Light [21]

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8 0
3 years ago
What is the approximate value of k?
lesya692 [45]

Hello from MrBillDoesMath!

Answer:

5.06

Discussion:

Angle J = 180 - (120 + 40) = 180 - 160 = 20 degrees,

From the law of sines

sin(120)/k = sin(20)/2  =>

sin(120) =  k *  (  sin(20)/2) )                (multiply both sides by "k")

k = sin(120)/  (   sin(20)/2)                    (divide both sides by sin(20)/2)

k =  (0.866) /  ( 0.171) =  5.06


Regards,  

MrB

 P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


6 0
3 years ago
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