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adell [148]
3 years ago
15

For all real numbers a and b, 2a • b = a2 + b2 True or False? explain please

Mathematics
1 answer:
vodka [1.7K]3 years ago
3 0

Answer:

True

Step-by-step explanation:

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Tracy answered all of the questions on the math test correctly. She scored 100 points, or 100%.
horrorfan [7]

Answer:

120% = 120/100 = 1.2

Step-by-step explanation:

100 points = 100%, so 120 points = 120%

120% = 120/100 = 1.2

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At a summer camp,the ratio of campers to adults is kept equivalent to 7:1 use equivalent ratios to complete the table
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3 years ago
What is 20% of 120? Select one O O O 20 240​
balandron [24]
20% of 120 can be represented as 120 * 0.20
120 * 0.20 = 24

so 20% of 120 is 24
5 0
3 years ago
Expand 2(x-1) <br> Expand 3(2x+3)<br> Expand 7(x+5) <br> Expand 5(2x-y)
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Those are the answers
2x-2
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7 0
2 years ago
In a pen with rabbits and chickens someone counted 25 heads and 80 legs a rabbit has four legs and each chicken has 2 legs, how
Komok [63]
I just kind of sat here playing with numbers i dont really know a shortcut but the answer is 10 chickens and 15 rabbits 
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15*4=60 each rabbit has four legs so thats 15 heads 60 legs
15+10=25 heads
20+60=60 legs
6 0
3 years ago
Read 2 more answers
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