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tatyana61 [14]
2 years ago
15

2 easy questions for 35 points

Mathematics
1 answer:
Airida [17]2 years ago
7 0

Answer:

for question 5

(1) 9x > 3x + 6

6x > 6

x=1

(2) $100-$10=$90

$90/5=18

Joan would need to work 18 hours

for question 6

P+ (PRT)/100

475 + 475(8.5)(12)/100

475+484.5

= 959.5

I hope this helped you ;)

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An air conditioning system can circulate 470 cubic feet of air per minute. How many cubic yards of air can it circulate per​ min
vladimir1956 [14]

Answer:

17 yards/minute.

Step-by-step explanation:

7 0
2 years ago
What is 280 million in scientific notation 
Phantasy [73]
The rule of scientifinc notation is that we can use number between 0 and 10, so here we can use 2.8. Lets do this
280 000 000 = 2.8 * 100 * 1 000 000
Now we can just multiply 2.8 by 10 to the power of number of 0 reapeted
So 2.8*10^8 - its the result
3 0
3 years ago
John was getting rid of some things so he sold his golf club for $40 and he originally bought it for $75. What is the percent of
alina1380 [7]
First work out the difference:
75-40 = 30
30/75 * 100 = 40% decrease.
Please mark as brainliest
6 0
3 years ago
Euclid’s root beer mug is shaped basically like a cylinder that is eight inches tall with a radius of three inches. Aristotle’s
VladimirAG [237]

Answer:

The root beer mug

Step-by-step explanation:

To known what vessels holds more root beer, we must find the volume (this is the holding capacity) of the two vessels. From the description given, the mug is a cylinder while the glass is a cone.

The volume V of a cylinder whose height is h and radius r may be found as

V = πr²h

The volume V of a cone with similar features

V  = 1/3πr²h

Hence the volume of the mug shaped basically like a cylinder that is eight inches tall with a radius of three inches

=  π * 3² * 8

= 72π Inches³

Given that the cone shaped bottle has a diameter of four inches, the radius r = 4/2

= 2 inches

Hence the volume of the bottle

= 1/3 * π * 2² * 18

= 24π Inches³

Based on comparison, the mug holds more root beer

4 0
3 years ago
A living room wall is 11 ft long. How far from the corner would you have to the edge of a 2ft 6 inch shelf for it to be centered
klasskru [66]
It would just be 5'5" + 1'3" = 6'9".
Take the length of the wall & then subtract the length of the shelf. And then divide by 2. That tells you how far to measure in from the left for the left edge of the shelf. Hope that helped a little.
4 0
3 years ago
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