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alex41 [277]
3 years ago
14

how many solutions does this equation have 15x-5 3=5x+4 a no solutions b. exactly one solution c. exactly two solution d. infini

tely
Mathematics
1 answer:
velikii [3]3 years ago
7 0

Answer:

one solution! & that would be be 57/10. hopefully that's correct.

Step-by-step explanation:

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It takes 2 1/2 posterboard to display half of your project how many poster boards will you need for your entire project
murzikaleks [220]
If 2 1/2 posterboard is enough for 1/2 of the project, it will take another 2 1/2 posterboard to display the other half of the project.

2 1/2 + 2 1/2 = 4 + 1/2 + 1/2 = 4 + 1 = 5

Answer: 5 posterboard.
5 0
3 years ago
8x + 2+ 4y; x = 9, y = 2
Alchen [17]

Answer: 82

Step-by-step explanation:

We simply need to substitute the values for x and y into the equation

Both variables are already given to us, x=9, y=2

8(9)+2+4(2)

72+2+8

82

4 0
3 years ago
Major league baseball salaries averaged $3.26 million with a standard deviation of $1.2 million in a recent year. suppose a samp
Anastaziya [24]
Given:
μ = $3.26 million, averaged salary
σ = $1.2 million, standard deviation
n = 100, sample size.

Let x = random test value
We want to determine P(x>4).

Calculate z-score.
z = (x - μ)/ (σ/√n) = (4 - 3.26)/(1.2/10) = 6.1667

From standard tables,
P(z<6.1667) = 1
The area under the distribution curve = 1.
Therefore
P(z>6.1667) = 1 - P(z<=6.1667) = 1 - 1 = 0

Answer: The probability is 0.

8 0
3 years ago
Which equation has the solution x = 3?
dybincka [34]

Answer:

2x + 4 = 10 = x =3

Step-by-step explanation:

09 - 31 = 0  (the variable x is not present in the given system)

0 +5=6  (the variable x is not present in the given system)

2x + 4 = 10  = x = 3

09-1=4  (the variable x is not present in the given system)

51 - 7 = 1  (the variable x is not present in the given system)

3x + 1 = 9 = x = 8/3

6 0
3 years ago
A piece of metal is cut in the shape of a triangle what is the area of the piece of metal
Kruka [31]
It depends on which triangle it actually is
3 0
3 years ago
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