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11111nata11111 [884]
2 years ago
11

Formula for a prism i am in need of help please help me

Mathematics
1 answer:
LenaWriter [7]2 years ago
4 0
V=1/2a*c*h this is to solve the volume of a prism
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Linda made $104 for 8 hours of work. At the same rate, how many hours would she have to work to make $143?​
KatRina [158]

Answer:

11 hours

Step-by-step explanation:

104 dollars for 8 hours of work. So how much money per hour?

104/8= 13 dollars per hour

At the same rate = 13 dollars per hour, so

How many hours to make 143 dollars? With the same rate?

143/13 = 11 hours

8 0
3 years ago
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A chef has 10 spice jars, but his new spice rack only holds 8 spice jars.
miskamm [114]
This is a statistics problem on permutation and combination. To differentiate this, permutation involves on the arrangement in which order doesn't matter. For combination, order matters.

For example, if you arrange A, B and C, for permutation it could be AB, BA, CA, AC, BC and CB. But for combination, it would just be AB, AC and BC. 

So, in this problem where he is asked to arrange 8 jars in which order doesn't matter. It is permutation. You can solve this just by calculator. The formula would be nPr, where n is the total number of items while r is the number of items to be sorted. Thus,

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5 0
3 years ago
Can you help me with this task please?
Vinil7 [7]

Answer:

83 is prime

97 is prime

92 is composite - The pairs are (1,96) (2,46) (4,23)

Step-by-step explanation:

3 0
3 years ago
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The dog spa in Champlin has an outside play area. Each play area is in
RoseWind [281]

Answer: $12,723.45

Step-by-step explanation:

Details of each play area :

The radius of circle = 18 feet long

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Therefore,

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Area = π × 18^2

Area = 1,017.876ft^2

Since the cost per square foot is $12.50

Therefore, Cost of 1,017.876 ft^2 equals

Cost per square foot × Area of play area

($12.50 × 1,017.876)

= $12,723.45

5 0
3 years ago
At the beginning of a population study , a city had 370,000 people. Each year since the population had grown by 7.9%. Let t be t
dmitriy555 [2]

Answer:

Population = starting population * ( 1 + rate) ^ years

y = 370,000 * (1.079) ^ t

Step-by-step explanation:

3 0
3 years ago
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