3 years ago

What is the collision of the line that passes through the points (-2,3) and (2,7)

Mathematics

1 answer:

Nina [5.8K]3 years ago

8 0

I don't know, I just need points

lol

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A certain chalkboard manufacturer determines that their largest blackboard model has a mean length of 5.00 m and a standard devi

Igoryamba

Answer:

23 chalkboards

Step-by-step explanation:

Given:

Mean length = 5 m

Standard deviation = 0.01

Number of units ordered = 1000

Now,

The z factor = $\frac{\textup{x - Mean}}{\textup{standard deviation}}$

The z factor = $\frac{\textup{4.98 - 5}}{\textup{0.01}}$

Z = - 2

Now, the Probability P( length < 4.98 )

Also, From z table the p-value = 0.0228

therefore,

P( length < 4.98 ) = 0.0228

Hence, out of 1000 chalkboard ordered (0.0228 × 1000) = 23 chalkboard are likely to have lengths of under 4.98 m.

7 0

3 years ago

(2 x 106) x (0.00009) = ?

RSB [31]

I think you meant to write

(2 × 10⁶) × 0.00009

First, convert 0.00009 to scientific notation:

0.00009 = 9 × 10 ⁻⁵

Then

(2 × 10⁶) × 0.00009 = (2 × 10⁶) × (9 × 10 ⁻⁵)

… = (2 × 9) × (10⁶ × 10 ⁻⁵)

… = 18 × 10¹

… = 1.8 × 10²

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2 years ago

Elena went 60 meters in 50 seconds. Noah went 50 meters in 10 seconds. Elena and Noah both moved at a constant speed. Who went f

photoshop1234 [79]

Noah because he went way faster

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3 years ago

3 - z/4 = 8<br> what is the solution of this equation ?

ivanzaharov [21]

Answer:

z = - 20

Step-by-step explanation:

3 - z/4 = 8

-z/4 = 5

z = -20

4 0

3 years ago

Read 2 more answers

Select the correct answer from each drop-down menu.

padilas [110]

Answer:

1. Increases

2. Increase ( I think)

3.reflects over y-axis

Step-by-step explanation:

5 0

3 years ago