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Radda [10]
2 years ago
7

2x-y-3z=7, 3x+y+=10, 5x+y+2z=15

Mathematics
1 answer:
ivann1987 [24]2 years ago
4 0

Answer:

x=22/7 y=4/7 z=-3/7

Step-by-step explanation:

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the Venn diagram below, which statement must be true? If a number is an irrational number, it must also be a rational number. All integers are also whole numbers. All integers are also rational numbers. All natural numbers are irrational numbers.-by-step explanation:

7 0
3 years ago
A geometric sequence can be used to describe the population of rabbits on a
vlabodo [156]

Answer:

step 1

Find the average growth per year of the populations of rabbits farm A

Over the first 2 years

for t=0

numbers of rabbits=5 (is not exact)

for t=2

numbers of rabbits=40

average=[40-5]/2---------> 17.5

step 2

Find the average growth per year of the populations of rabbits farm B

Over the first 2 years

for t=0

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for t=2

numbers of rabbits=30

average=[30-5]/2---------> 12.5

step 3

Compare the average growth per year of the populations of rabbits on both farms

farm A=17.5

farm B=12.5

the average rate of population growth of rabbits in farm A is greater than average rate of population growth of rabbits in farm B by about 5 rabbits per year.

therefore

the answer is the option C)

the average rate of population growth of rabbits in farm A is greater than average rate of population growth of rabbits in farm B by about 6 rabbits per year.

Step-by-step explanation:

6 0
2 years ago
X(x+7)=0 solve whatever this id
Anit [1.1K]

Step-by-step explanation:

x(x + 7) = 0

By Zero Product rule,

either x = 0 or (x + 7) = 0.

=> x = 0 or x = -7.

5 0
2 years ago
There are 45 Students per bus. Find the number of students on 5 buses
ss7ja [257]

Answer:

225 students

Step-by-step explanation:

45 x 5 = 225

6 0
3 years ago
Read 2 more answers
Any help with these two ratio problems are highly appreciated.
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A. 3 tbsp per 2 tsp
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