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kupik [55]
3 years ago
13

A book store owner randomly samples 100 customers on two separate days to see what their favorite type of book is. The data show

s the results of the two samples.
The book store owner expects 850 customers.

Based on the samples, about how many mystery books will the book store sell?
Enter your answer rounded to the nearest whole number....please and thanks.

Mathematics
1 answer:
STALIN [3.7K]3 years ago
4 0
Are ther any answer choices if not then i think 42 if im right plz make this brainlyist answer
You might be interested in
Plz answer the following No scams,links or random amswers or ill report​
zvonat [6]

Answer:

f(2) = 12

f(x) = 7, x = -3, 1

Step-by-step explanation:

<u>a)</u>

plug in x as 2

f(x) = 2^2 + 2(2) + 4

f(x) = 4 + 4 + 4

f(x) = 12

<u>b)</u>

replace f(x) with 7

7 = x^2 + 2x + 4

x^2 + 2x - 3 (move 7 to other side)

Factor

ac: -3x^2

b: 2x

split b into 3x, -x

(x^2 -x) + (3x - 3)

    ↓             ↓

  x(x-1)  +  3(x-1)

Factor: (x-1)(x+3) = 0

Solve using Zero Product Property:

x - 1 = 0, x + 3 = 0

x = 1, x = -3

3 0
3 years ago
What is 10.4% as a fraction?
AlladinOne [14]
10.4% as a fraction is 104/1000
6 0
4 years ago
18y^8x^4w^6 and 30y^7w^3
djyliett [7]

Answer:

10

Step-by-step explanation:

6 0
3 years ago
Jay wants to make a box, with no lid (or top), out of a 10" x 6" rectangular piece of cardboard. If Jay cuts squares with dimens
LiRa [457]

Answer:

a.V(x)=x(10-2x)(6-2x)

b.S(x)=4(15-x^2)

Step-by-step explanation:

Dimensions of rectangular piece of cardboard=10\times 6

According to question

Length of box,l=10-2x

Breadth of box,b=6-2x

Height of box,h=x

a.

Volume of box=l\times b\times h

Substitute the values in the formula

Volume of box=x(10-2x)(6-2x)

V(x)=x(10-2x)(6-2x)

b.Surface area of box=2(b+l)h+lb

Because the box has no lid

Substitute the values in the formula

Surface area of box=2(10-2x+6-2x)x+(10-2x)(6-2x)

Surface area of box=2(16-4x)x+60-20x-12x+4x^2

Surface area of box=32x-8x^2+60-32x+4x^2

Surface area of box=60-4x^2=4(15-x^2)

Surface area of box, S(x)=4(15-x^2)

4 0
3 years ago
1/3+1/3+1/3+1/3=4/3<br><br> is this answer correct?
natali 33 [55]
Yes but if you need it in mixed number form it’s 1 1/3
7 0
3 years ago
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