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yuradex [85]
2 years ago
8

Which point is on the line y = 3x + 1?

Mathematics
1 answer:
sergeinik [125]2 years ago
8 0

Answer:

A.  (2,7)

hope this helps!

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The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.35 inches and a standard deviatio
Fiesta28 [93]

Answer:

15.87%

Step-by-step explanation:

Notice that the mean of 0.35 inches with a standard deviation of 0.01 gives you when you add (to the right of the distribution), exactly 0.36. Since you want to find the probability (or percentage) of the bolts that have diameter LARGER than 0.36 in, that means you want to estimate the area under the Normal distribution curve from 0.36 to the right). See attached image.

We can use the tables of Z distribution for that, or the standard normal tables:

P(x>0.36) = P(z>(0.36-0.35)/0.01) = P(Z>1) = 0.1587 = 15.87%

7 0
2 years ago
G(x) = x3 + 6x2 + 12x + 8Determine the function’s value when x = −1.
Aneli [31]
Plug in  -1 for x and  work it ou'

g(-1) = (-1)^3 + 6(-1)^2 + 12(-1) + 8

= -1 + 6 - 12 + 8

=  1
8 0
2 years ago
Read 2 more answers
Matthew is a salesman and earns commission on merchandise he sells. Last week he sold $7000 in merchandise. How much money does
MariettaO [177]

Answer:

I think the commission amount is $210

5 0
3 years ago
Read 2 more answers
Find the area of the triangle.
Step2247 [10]

Answer:

10units^2

Step-by-step explanation:

Unshaded Right Triangle

A=\frac{ab}{2} \\=\frac{4*2}{2} \\=4units^2

Whole Triangle

A=\frac{ab}{2} \\=\frac{4*7}{2}\\ =14units^2

Shaded triangle

14-4=10units^2

If you dont want as many steps, just calculate the triangle and dont worry about the right triangle the formula is

A=\frac{h_{b}b}{2} \\=\frac{4*5}{2}\\ =10units^2

8 0
3 years ago
Anderson uses the discriminant to correctly find the number of real solutions of the quadratic equation x2 + 4x + 8 = 0. Which e
levacccp [35]
C because b^2 - 4ac is less than 0.
4 0
3 years ago
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