2 years ago

Which expression is equivalent to (2x + 3)2 – 5?

1 answer:

ddd [48]2 years ago

5 0

4x+6-5
turns into 4x+1

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nika2105 [10]

Answer:

16m=64

16 x m = 64

4 marbles

Step-by-step explanation:

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Makovka662 [10]

your answer would be -19

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3 years ago

12345 [234]

1. 24 students and 3 absent

24-3=21

so 21 student goes

2. 21 students divided by the 3 vans
equals to 7

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2 years ago

salantis [7]

Answer:

exact form is x=85/6

decimal form is x=14.16 repeating

mixed number is x=14 1/6

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2 years ago

noname [10]

Answer:

Step-by-step explanation:

$cos~L=\frac{m^2+n^2-l^2}{2mn} \\=\frac{5^2+8^2-7^2}{2*5*8} \\=\frac{25+64-49}{80} \\=\frac{40}{80} \\=\frac{1}{2} \\=cos 60\\$

∠L=60°

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1 year ago