3 years ago

If I feed my lizard every 3rd day, and I feed my snake every 7th day, then on what day would they both be fed?

Mathematics

1 answer:

dusya [7]3 years ago

8 0

Answer:

21st `day

Step-by-step explanation:

3*3*3*3*3*3*3=21

7*7*7=21

21 is the lcm of 3 and 7

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Solve the following systems of equations 2a+4b+c=5 ; a-4b=-6 ; 2b+c=7.

SOVA2 [1]

Answer:

a = -2

b = 1

c = 5

Step-by-step explanation:

Given:

2a + 4b + c = 5 ............(1)

a - 4b = - 6

a = 4b - 6 .............(2)

2b + c = 7

c = 7 - 2b ...........(3)

substituting 2 and 3 in 1, we get

2(4b - 6 ) + 4b + (7 - 2b) = 5

8b - 12 + 4b + 7 - 2b = 5

10b - 5 = 5

b = 1

substituting b in 2, we get

a = 4(1) - 6

a = -2

substituting b in 3, we get

c = 7 - 2(1)

c = 5

thus,

a = -2

b = 1

c = 5

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3 years ago

Sally went to the clearance rack at a department store and found a shirt she wanted to buy. The shirt was $36.00 and is on sale

jeka57 [31]

Answer:

33.34%.

Step-by-step explanation:

Given that,

The actual price of the shirt = $36

Price on sale = $24

We need to find the percent of the decrease. The formula for the percentage is given by :

$\%=\dfrac{|\text{actual value-estimated value}|}{\text{actual value}}\times 100$

Putting all the values,

$\%=\dfrac{24-36}{36}\times 100\\\\=33.34\%$

So, the percentage decrease in the price of the shirt is 33.34%.

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3 years ago

Choose the function that fits the table below

SVEN [57.7K]

The answer would be the first one.

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3 years ago

Unit 5 Test

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Answer:

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Step-by-step explanation:

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Answer:

It's D

Step-by-step explanation:

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3 years ago

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