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Lera25 [3.4K]
3 years ago
13

A store employee conducted a survey of 390 randomly selected customers. According to the survey, 180 of the customers often use

coupons.
To the nearest percent, what is a good estimate of the percentage of all customers who often use coupons?

Enter your answer in the box.
Mathematics
2 answers:
shusha [124]3 years ago
7 0
You do 390/100 = 180/x then 390×X=390X
180×100=18000
390X=18000
390X÷390=X
18000÷390=46.15384615=46%
Masja [62]3 years ago
6 0
It is indeed 46%!!Hope it helps :)
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52 plus what equals 180
Pavlova-9 [17]

Answer:

128

Step-by-step explanation:

180-52= 128

7 0
3 years ago
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The point B lies on the segment AC.
svet-max [94.6K]

Answer:

(9, -5)

Step-by-step explanation:

The vector AC has coordinates (27, -18), because:

21 - (-6) = 27

-13 - 5 = -18

If the ratio of AB to BC is 5 to 4, it means that

AB = [5/(5+4)]AC = (5/9)AC

Therefore, we have

AB = (5/9)AC = (5/9) (27, -18) = (15, -10)

Which means that:

xB - xA = 15 <=> xB - (-6) = 15 <=> xB + 6 = 15 <=> xB = 9

yB - yA = -10 <=> yB - 5 = -10 <=> yB = -10 + 5 <=> yB = -5

So B has coordinates (9, -5).

4 0
2 years ago
What is the surface area of this design? 5 in 5 in 6.4 in 5 in 9 in
xeze [42]

ANSWER

197 {in}^{2}

EXPLANATION

The area of the two tra-pezoidal faces

= 2 \times  \frac{1}{2}  \times (9 + 5) \times 5 = 70 {in}^{2}

The area of the 5 by 6.4 rectangular face

= 6.4 \times 5 = 32  {in}^{2}

The area of the two square faces

= 2(5 \times 5) = 50 {in}^{2}

The area of the 9 by 5 rectangular face is

= 9 \times 5 = 45 {in}^{2}

The surface area of the design is:

70 + 32 + 50  + 45=197 {in}^{2}

6 0
3 years ago
What is the LCD of 1/9,1/27,8/45<br> HELP ASAP PLEASE
Alla [95]

to get the LCD we should start by doing a quick prime factoring of each denominator, as you see in the picture below.

the factors in red are the common factors to all values, and they are used in the LCD only once, the other not common factors in blue, they're used in the LCD.

4 0
2 years ago
the diameter of the sphere is 7 inches. What is the circumference of a cross section through the center of the model?
Lerok [7]

Answer:

<h2>10.9955742876</h2>

Step-by-step explanation:

Circumference is 2r × Pi. Circumference of half is 2r × Pi / 2

3 0
3 years ago
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