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maxonik [38]
3 years ago
12

What is the definition for compatible numbers

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
4 0
Numbers in a problem or related numbers that are easy to work with mentally
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Algebra: mrs. Davis spent $120 on lunch for a business meeting. Sandwiches,x, cost $4 and drinks, y, cost $1.50. A) write a func
SOVA2 [1]

Answer:

a) Total number of Sandwiches and drinks purchased  =  x + y

b)The three possible solution to the given equation  is

: (25,4), (20,8) and  (15,12)

Step-by-step explanation:

Number of sandwiches in Lunch  = x

Cost of each sandwich  = $4

Number of Drinks in Lunch = y

Cost of each drink = $1.50

a)  So, the total number of Sandwiches and drinks purchased in Lunch

    = Number of sandwiches purchased + Number of drinks purchased

    = x + y

or, the total number of Sandwiches and drinks purchased  =  x + y

Now According to the question:

4 x  + 5 y = 120

To find possible pairs of solution take any arbitrary value for y .

Let y  = 4, then 4x  = 120 - 20 = 100

or, x = 100/4 = 25 ⇒  x  =25

Let y = 8, then  4x  = 120 - 420 = 80

or, x = 80/4 = 20  ⇒  x  = 20

Similarly, for y = 12, x  = 15

So, the three possible solution to the given equation  is : (25,4), (20,8) and  (15,12)

8 0
3 years ago
????????????????????
ArbitrLikvidat [17]

Answer:

it would be 75

Step-by-step explanation:

4500/60

7 0
3 years ago
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A radioactive substance decays exponentially with a half-life of 500 years. After 1500 years, what percent of the radioactive ma
Talja [164]
12.5%, every 500 years you take away half of the substance (50%) -> 25% -> 12.5%
you divide your number 3 times because 1500/500=3
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2 years ago
Tom walked to school at a steady pace, met his sister, and they walked home at a steady pace. Select the description for this gr
VARVARA [1.3K]

B. Upside Down V- Shaped

When you draw it out, it looks like a upside down V.

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3 years ago
Bubble Bobble big blue bubble with a circumference of 15 in what was the approximate radius of the bubble before it came just a
noname [10]

Answer:

2.4 i am pretty sure

Step-by-step explanation:

you just have to work backwards

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3 years ago
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