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Mazyrski [523]
4 years ago
7

What is the answer to the question

Mathematics
1 answer:
vazorg [7]4 years ago
8 0
The answer would be B. <span>linear pair theorem</span>
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8 less than a number is less than or equal to 5 ​
postnew [5]

Answer:

x-8<_5

Step-by-step explanation:

6 0
3 years ago
20x+5y=120<br> 10x+7.5y=80
Trava [24]
1) 20x+5y=120
Stp1: 5y=120-20x
Stp2: 5y=(120/5 and -20x/5)= [y=24-4x]

finding x:
20x+5(24-4x)=120
Stp1: 5*24=120,-4x*5=-20
20x+120-20x=120
Stp2: subtract 120 on both sides of = sign
20x-20x=0
Stp3: subtract the variables:
[x=0]
finding y:
20(0)+5y=120
stp1: multiply 20*0
5y=120
stp2: divide 120 by 5
[y=24]

2) 10x+7.5y=80
Stp1: move 7.5y to other sign of =
10x=80-7.5y
Stp2: divide by 10
[x=8-.75y]
substitute x and re do original:
stp1: 10(8-.75y)+7.5y=80
stp2: 80-7.5y+7.5y=80
stp3: subtract variabled num. with variabled num. and whole num. with whole number: [y=0]

solve for x:
10x-7.5(0)=80
10x=80
[x=8]
check:
10(8)+7.5(0)=80
80+0=80
[80=80]
5 0
3 years ago
Read 2 more answers
Choose the correct equation type for each system.
yan [13]

Answer:wym

Step-by-step explanation:

3 0
4 years ago
How to multiply real good
kirza4 [7]

Answer: you just have to memorize it it will take time but its better doing it now than in 20 years

5 0
3 years ago
Read 2 more answers
The population of Bridgetown triples every decade. If the population
Afina-wow [57]
Between 2000 and 2030 three decades will have gone by, which means the population will triple three times.

2000-25,000 \\ 2010-25,000*3=75,000 \\ 2020-75,000*3=225,000 \\ 2030-225,000*3=675,000

Therefore, the population of Bridgetown will be 675,000 people in 2030.
4 0
3 years ago
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