2 years ago

PLZ HELP ASAP!

Mathematics

1 answer:

sineoko [7]2 years ago

3 0

Answer:

The ordered pair (1, 2) is a solution to the system of linear equations.

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The mean time it takes for workers at a factory to insert a delicate bolt into an engine is 15 minutes. The standard deviation o

faust18 [17]

Answer:

required probability is 0.8413

Step-by-step explanation: Given mean $\mu =15$ minutes, standard deviation $\sigma =4$ seconds, we need to find $P\left ( X\leq 19 \right )$ . Using z score

$z=\frac{X-\mu }{\sigma }\\=\frac{19-15}{4}\\=1$

So,

$P\left ( X\leq 19 \right )\\=P\left ( Z\leq 1 \right )\\=0.8413$

6 0

2 years ago

When h has the value of 5 calculate 6h +9

Yakvenalex [24]

H=5
6h+9 —> 6(5)+9
6•5=30 —> 30+9= 39

8 0

3 years ago

Could someone explain how to solve this

ozzi

Answer:

y=\frac{4x}{5}-5

Step-by-step explanation:

linear equation

y=mx+b

We can see that when x=0 y= -5

THis means that b= -5 so we have

y=mx-5

We then know that when x=5 y= -1 so we have

-1=5m-5

Solve this and get m= 4/5

So we have

$y=\frac{4x}{5}-5$

7 0

2 years ago

Read 2 more answers

Decide which of the following sets of points.

Luden [163]

Answer:

Im pretty sure that the answer would be choice f.

Step-by-step explanation:

7 0

2 years ago

Use the parabola tool to graph the quadratic function. f(x)=2x^2 +12x+16 Graph the parabola by first plotting its vertex and the

givi [52]

(-3, -2) is the vertex.

You can find this by plugging into -b/2a to find the x value and using the x value to find the y value.

And another spot on the vertex would be (0, 16), which is the y intercept.

8 0

2 years ago