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dlinn [17]
2 years ago
14

Help me plsssssssssssssssssssssssssss

Mathematics
1 answer:
strojnjashka [21]2 years ago
4 0

Answer:

This answer would be c

Step-by-step explanation:

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The relationship between the number of hours a plumber works and the total work fee she charges is proportional. Her fee for 5 h
dolphi86 [110]

Answer: As given, relationship between the number of hours a plumber works and the total work fee she charges is proportional.

The meaning of proportional is Ratio of number of hours a plumber works and the total work fee she charges is constant.

Using Unitary method

5 hours of work = $350

1 hours of work = $70

Let number of hours worked = x hours

Amount earned for x hours of work is represented by = $ y

For , x hours of work amount earned = 70 x (x=1,2,3...)

→y= 70 x

→→

Step-by-step explanation:

4 0
3 years ago
Sally earns commission for selling cars at the Nissan dealership. She earns 5.5% on
cestrela7 [59]

Answer:

8800

Step-by-step explanation:

5 0
2 years ago
What is 56cm added to 2m 50cm?
Over [174]
100cm = 1m so 2m 50cm = 250cm + 56cm= 306cm which means the answer is 3m 6 cm
3 0
3 years ago
Use the information provided to find the length of the minor axis
SVETLANKA909090 [29]

Answer:

Is there a picture or any information which I can use to help you?

<em>-shonenly :)</em>

Step-by-step explanation:

6 0
3 years ago
A batch of 40 semiconductor chips is inspected by choosing a sample of 5 chips. Assume 10 of the chips do not conform to custome
butalik [34]

Answer:

a) 658008 samples

b) 274050 samples

c) 515502 samples

Step-by-step explanation:

a) How many ways sample of 5 each can be selected from 40 is just a combination problem since the order of selection isn't important.

So, the number of samples = ⁴⁰C₅ = 658008 samples

b) How many samples of 5 contain exactly one nonconforming chip?

There are 10 nonconforming chips in the batch, and 1 nonconforming chip for the sample of 5 be picked from ten in the following number of ways

¹⁰C₁ = 10 ways

then the remaining 4 conforming chips in a sample of 5 can be picked from the remaining 30 total conforming chips in the following number of ways

³⁰C₄ = 27405 ways

So, total number of samples containing exactly 1 nonconforming chip in a sample of 5 = 10 × 27405 = 274050 samples

c) How many samples of 5 contain at least one nonconforming chip?

The number of samples of 5 that contain at least one nonconforming chip = (Total number of samples) - (Number of samples with no nonconforming chip in them)

Number of samples with no nonconforming chip in them = ³⁰C₅ = 142506 samples

Total number of samples = 658008

The number of samples of 5 that contain at least one nonconforming chip = 658008 - 142506 = 515502 samples

6 0
3 years ago
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