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alexgriva [62]
2 years ago
8

Bob is doing a quality test on machine bots , he tested 24 bolts that he randomly found that 5 were defective. Based on bob’s re

sults what is the expected number of bolts that will be defective if he tests 840 bolts?
Mathematics
1 answer:
goldenfox [79]2 years ago
5 0

Answer:

175

Step-by-step explanation:

5/24 = 0.208 percentage of defective bolts

scale up to 840 bolts by finding 20.8% of defective bolts

840*20.8 = 175

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If x is equal to 9 and y is equal to -3, then what is the value of…….? x - 9y - 3x + 6y -13?
Vesnalui [34]

We are given –

  • x =9
  • y = -3

Now put the values –

\qquad \twoheadrightarrow\bf x - 9y - 3x + 6y -13

\qquad \twoheadrightarrow\sf  9 -(9 \times -3) -(3 \times 9) +(6 \times -3) -13

\qquad \twoheadrightarrow\sf  9 + 27 -27 -18 -13

\qquad \twoheadrightarrow\sf  9 +\pink{\cancel{27}}-\pink{\cancel{27}} -31

\qquad \twoheadrightarrow\bf-22

  • Henceforth, value of x - 9y - 3x + 6y -13 is -22.

________________________________________

8 0
2 years ago
Graphic DesignWorks ships the T-shirts it makes in boxes that measure 20 in
dsp73

Answer: 416 boxes

Step-by-step explanation:

Hi, to answer this question we have to calculate the volume of each box and the volume of the storage space.

Since both are rectangular prisms:

Volume = length x width x height

Box of t -shirts = 20 x 16 x 12 = 3,840 cubic feet

Storage = 200 x 200 x 40 = 1,600,000 cubic feet  

Next, we have to divide the storage's volume by the volume of each box:

1,600,000 / 3,840 = 416.6 =416 boxes  

Feel free to ask for more if needed or if you did not understand something.

5 0
3 years ago
One leg of a right triangle measures 6 inches. The remaining leg measures 6 square root of 3 inches. What is the measure of the
soldier1979 [14.2K]
Let
x---------> <span>the measure of the angle opposite the leg that is 6 inches long

we know that
tan x=opposite side angle x/adjacent side angle x
</span>opposite side angle x------> 6 in
adjacent side angle x-------> 6√3 in
<span>so
tan x=6/(6</span>√3)-----> x=1/√3------> √3/3
<span>x=arc tan(</span>√3/3)------> x=30°
<span>
the answer is
30</span>°<span>

</span>
4 0
3 years ago
What is the answer ?
kari74 [83]

Answer:

B

Step-by-step explanation:

x is alternate exterior angles and y is 180 - x

7 0
3 years ago
Read 2 more answers
Cos/1+Sin = 1-Sin/Cos
ValentinkaMS [17]

Answer:

if you are asking for true or false it would be false

Step-by-step explanation:

6 0
2 years ago
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