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Nina [5.8K]
3 years ago
9

the ratio of defective light bulbs to product to total light bulbs is 3:500. how many is expected to be defective when 12000 are

produce
Mathematics
1 answer:
trasher [3.6K]3 years ago
4 0
\frac{3}{503} *12000
=72 bulbs
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Question 2
S_A_V [24]

Answer: B -8/7x+11/7

Step-by-step explanation:

First find the slope using teh formule y_{2}-y_1\\x_2-x_1 which is teh formula for slope in this case the slope would be (-8/7) then pick a pair of points in this case we will use (4,-3) plug in the slope and the coordinate pair into the intercept formula (y=mx+b) so it would look like -3=-8/7(4)+b then solve for b so the answer be 8/7x+11/7

7 0
3 years ago
17 Q Graph the inequality n a coordinate plane
aliina [53]
The resultant graph is shown in the attached image.

Explanation:
Before we begin, remember that when we multiply by a negative sign, we flip the sign of the inequality
The given inequality is:
-y ≤ 3x - 5
We will multiply both sides by -1 to get a positive y vale. This will give us:
y ≥ -3x + 5

Now, to graph the inequality, we will first draw the line y = -3x + 5 and then shade the region having y values greater than the line. 
To know the region, you will simply use trial and error method for random points on the two sides of the line.

The final solution would be as shown in that attachment.

Hope this helps :)

7 0
3 years ago
(x-5)2/5=4 Solve the equation.
Naddika [18.5K]

Answer: x=15

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A barn silo, excluding the top, is a cylinder. The silo is 7 m in
Elenna [48]

The volume of the silo is 461.81 m³

Step-by-step explanation:

A barn silo, excluding the top, is a cylinder

  • The silo is 7 m in  diameter
  • Its height is 12 m

We need to find the volume of the silo

∵ The silo is shaped a cylinder

∵ The volume of a cylinder = base area × height

∵ The base is shaped a circle

∵ Area a circle = π r², where r is the radius of the circle

∴ The volume of the silo = π r² × h

∵ The diameter of the silo = 7 m

∵ The radius of a circle is half the diameter

∴ The radius of the silo = \frac{1}{2} × 7 = 3.5 m

∵ The height of the silo = 12 m

- Substitute the values of r and h in the rule of volume

∴ The volume of the silo = π (3.5)² × 12

∴ The volume of the silo = 147 π = 461.81 m³

The volume of the silo is 461.81 m³

Learn more:

You can learn more about the volume in brainly.com/question/6443737

#LearnwithBrainly

7 0
3 years ago
NEED HELP!!! graph <br> y&lt;1−3x
vekshin1

A graph and a table are provided below this discussion. You should plot these in this order.

y = 1 - 3x    In red. It might be hard to see

y < 1 - 3x    In blue

The table which is to the left of the graph

The table is constructed by putting a value in for x

x = 2

y = 1 - 3(2)

y = 1 - 6

y = - 5



8 0
3 years ago
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