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Mkey [24]
2 years ago
11

Find the difference: 489 - 18.6

Mathematics
1 answer:
marta [7]2 years ago
6 0

Answer:

470.4

Step-by-step explanation:

489-18.6

8 10

489.0

- 18.6

470.4

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Sarah Meeham blends coffee for Tasti-Delight. She needs to prepare 160 pounds of blended coffee beans selling for $4.97 per poun
jok3333 [9.3K]
Given:
let h be the high quality bean
let c be the cheaper bean

h + c = 160
6h + 3.25c = 160*4.97
6h + 3.25c = 795.20

h = 160 - c
6(160 - c) + 3.25c = 795.20
960 - 6c + 3.25c = 795.20
-2.75c = 795.20 - 960 
-2.75c = -164.80
c = -164.80 / -2.75
c = 59.92 or 60 lbs

h = 160 - c
h = 160 - 60
h = 100 lbs

Sarah should blend 60 lbs of cheap coffee bean and 100 lbs of high quality coffee bean.
3 0
3 years ago
Add. Write your answer in simplest form.
alexandr1967 [171]

Answer:

yes, you got it correct

Step-by-step explanation:

8 0
2 years ago
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An airplane flies 315 km in 1 hour 45 minutes. Calculate the average speed.
valentina_108 [34]

Answer:

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Step-by-step explanation:

speed = distance / time

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= 3 km per minute

4 0
2 years ago
I NEED THIS ASAP WORK IS ABOUT TO BE DUE IN A COUPLE OF HOURS​
Gemiola [76]

Answer:

D

Step-by-step explanation:

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△RQS is similar to △TQU by the AA similarity postulate. What is the measure of angle R ?
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Step-by-step explanation:

The sum of angles in a triangle is 180°.

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3 0
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