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Lera25 [3.4K]
3 years ago
13

The members of the reading club each read 34 books in the fall semester and 33 books in the spring semester. Altogether, the clu

b members read 2412 books during the two semesters. How many members are in the reading club?
Mathematics
1 answer:
atroni [7]3 years ago
8 0

Answer:

Add 34 and 33 which is 67 then divide that by 2412 :) hope I helped

Step-by-step explanation:

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A coffee maker priced at $189.99 is on sale for 20% off but then sales tax of 9% and 8% are added to the price after discount. W
11Alexandr11 [23.1K]

Answer:

20%+9%+8%=37% so 189.99*37/100=70.3$ so 189.99-70.3=119.7$

4 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
Calculate Income Elasticity of Demand Question Suppose that when the price of cream cheese rises by 10%, the quantity of bagels
inn [45]

Answer:

eY is positive +0.1 therefore bagels are a normal good.

Step-by-step explanation:

Given data:

when, 10% rise in cheese price,  3% fall in bagels quantity observed

when, 10% rise in income,  1% fall in bagels quantity observed

from formula for cross price elasticity of demand, determine e_{AB}

e_{AB} = \frac{(−3\%}{(10\%)} = −0.3.

As,  eAB is negative, bagels $ cream cheese are complements.

By formula for income elasticity of demand,

we find thateY= \frac{(+1\%)}{(10\%)} = +0.1.

Since eYis positive, bagels are a normal good.

4 0
3 years ago
Anne has an aquarium in the shape of a rectangular prism that measures 10 in. By 20 in. By 10 in. How many cubic inches of water
kaheart [24]

Answer:

Volume = 2000\ in^3

Step-by-step explanation:

Given

Dimension: 10in by 20in by 10in

Required

Determine the capacity of the aquarium

This question implies that, we calculate the volume of the prism and this is calculated by multiplying the dimensions of the aquarium. i.e.

Volume = Length * Width * Height

Substitute values for the dimensions

Volume = 10 * 20 * 10

Volume = 2000\ in^3

Hence, the volume of the aquarium is 2000 cubic inches

6 0
3 years ago
A 7/16 inch long bolt is used in a machine. what is the length of the bolt written as a decimal?
mars1129 [50]
I believe it's 0.4375
7 0
3 years ago
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