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Vanyuwa [196]
3 years ago
15

Ron's Cafe has regular coffee and decaffeinated coffee. This morning, the cafe served 65 coffees in all, 26 of which were regula

r. What percentage of the coffees were regular?

Mathematics
1 answer:
bezimeni [28]3 years ago
5 0
Attached the solution and work.

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The range of the following relation R{(3,-2), (1, 2), (-1, -4), (-1, 2)} is O{-1.1,3) -1,-1,1.3 01-4, 2, 2, 2] {-4, -2, 2​
maw [93]

Answer:

The range is -2,2,-4

Step-by-step explanation:

hope this helps

6 0
3 years ago
Six copies of a book cost $90. How much does<br> each copy of the book cost?
IRINA_888 [86]
Each book costs $15. 90 divided by 6 is 15 which is also 90 over 6.
6 0
2 years ago
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Area of a regular hexagon with an apothem of 15 cm
Anton [14]

Answer:

area = 779.4 cm²

Step-by-step explanation:

divide it into 6 equal equilateral triangles. Each corner of a triangle will be 60°.

tan 60° = 15/x

1.7321 = 15/x

x = 8.66 (this is one-half of the base of the triangle)

base = 17.32 cm

area of one triangle = 1/2(17.32)(15) = 129.9 cm²

129.9(6) = 779.4 cm²   (because 6 triangles make up the hexagon)

8 0
3 years ago
Jordan has $55. She earns $67 by doing chores. How much money does jordan have now?
Nuetrik [128]
If Jordan has $55 and she earns $67 by doing chores, you can calculate how much money does Jordan have now using the following step:

$55 + $67 = $122

Result: Jordan has $122.
6 0
3 years ago
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What is the value of z in the equation 2(4z − 6 − 6) = 170 − 46? 12.5 15.5 16.5 18.5
vivado [14]
2(4z - 6 - 6) = 170 - 46

2(4z - 12) = 124    |use distributive property: a(b - c) = ab - ac

8z - 24 = 124      |add 24 to both sides

8z = 148      |divide both sides by 8

z = 18.5
4 0
3 years ago
Read 2 more answers
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