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ZanzabumX [31]
2 years ago
14

21.

Mathematics
1 answer:
Ganezh [65]2 years ago
4 0

Answer:

B. 733 customers

Step-by-step explanation:

15+30+45=90

since 30 people select a black frame, 1/3 of the customers picked black frames. If this data is consistent through the month (which we have to assume it is) then that means 1/3 of customers select a black frame on average. 1/3 of 2,200 is about 733, so we can assume, using the data given, that about 733 customers selected black frames! :)

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If 12 > -15, which of the following must be true?
Tcecarenko [31]

Answer:

12 is to the right of -15 on a number line.

Step-by-step explanation:

Hope this helps! - CJ

5 0
2 years ago
For each figure answer the following questions
Rudiy27

9514 1404 393

Answer:

  a) ∆ABC ~ ∆EDC by AA similarity

  b) ED/AB = 3/4

  c) 15 cm

Step-by-step explanation:

a) Two angles in each triangle are the same, so the AA similarity postulate can be used to declare the ∆ABC ~ ∆EDC. (Each triangle includes a right angle and angle C.)

__

b) Corresponding sides are ED/AB, DC/BC, EC/AC. The ratio of corresponding sides is ED/BC = (12 cm)/(16 cm) = 3/4.

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c) Using the ratios identified above, we have ...

  DC/BC = 3/4 = x/(20 cm)

  x = 3/4(20 cm)

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8 0
3 years ago
An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. Find the radius of the circle.
Artist 52 [7]

Answer:

7.5 m

Step-by-step explanation:

circumference = 360/72 × 3π = 15π

so the radius of the circle =

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7 0
2 years ago
Solve the following system of equations:
Stella [2.4K]

Answer:

(1, 3) is the answer! hope this helps

3 0
2 years ago
How do you solve 2 + 8 - z = -24 for z
Naily [24]

Answer:

z=34

Step-by-step explanation:

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add

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subtract 10 from each side

10-z-10 = -24-10

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multiply by -1

-1*-z = -34 * -1

z = 34

8 0
2 years ago
Read 2 more answers
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