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iren [92.7K]
3 years ago
5

1. Set up the following word problem as a proportion and solve.

Mathematics
1 answer:
S_A_V [24]3 years ago
5 0
<span>We expect 150 defects out of the 10,000 cars if the 3 defects out of the 200 cars sampled is representative of all 10,000 cars. First, let's set up the proportions. We have 3/200 cars with defects and we want to know X for X/10000. So 3/200 = X/10000 Now solve for X. 3/200 = X/10000 10000*3/200 = 10000 * X/10000 30000/200 = X 150 = X So the answer is: We expect 150 defects out of the 10,000 cars if the 3 defects out of the 200 cars sampled is representative of all 10,000 cars.</span>
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I need help with question number 12. Can’t figure this answer. Tried for 1 hour.
o-na [289]

Answer:

2, 12

Step-by-step explanation:

LCM = Least common multiple

LCM of 2 and 12 is 12

2 4 6 8 10 12

12

LCM of 6 and 8 is 24

6 12 18 24

8 16 24

LCM of 3 and 8 is 24

3 6 9 12 15 18 21 24

24

LCM of 12 and 24 is 24

12 24

24

5 0
3 years ago
Find the value of x.<br> 6x+3(-3x+4)=13
iren [92.7K]

Answer:

x= -1/3 or -0.3

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
What is the mass of a copper (II) chloride sample if it contains 0.0344 moles of the compound?
ale4655 [162]

According to the valence number of copper(2+) and the same value for chlorine (1-) copper (II) chloride has the formula of CuCl2

The molar mass of copper is 0,0635 kg/mole and chlorine gas a molar mass of 0,035 kg/mole the compound will have a molar mass of ( 0,0635+2×0,035 )kg/mole=0,099kg/mole and 0,344 moles are equivalent in mass to 0,344×0,135 kg=0,046 kg

5 0
2 years ago
Help me i mark brain thing help due in 5 minutes
Dmitry_Shevchenko [17]

Answer:

A: 1

B: 17

C: 26

D: 42

E: 57

Step-by-step explanation:

4 0
3 years ago
The sum of the measures of two complementary angles exceeds the difference of their measure by 86º. Find the measure of each ang
katrin2010 [14]
We will translate the given statement in the problem into 
x + y  = 90 
x - y =  90 - 86 = 4 where x and y are the angles that are complementary. solving simultaneously, x = 47 degreesy = 43 degrees. 
4 0
3 years ago
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