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Lina20 [59]
3 years ago
5

Evaluate. 5(−6)= ________

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
7 0
5(-6)= -1 should be if not I’m sorry
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Over the next week you want to watch a movie a day. In how many ways can this be done if you have 8 movies
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A swimming pool is 65.25 feet long and 40.5 feet wide. How much longer is the pool than it is wide?
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= 24.75 longer

It is also or about 38%.
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The coordinates of the vertices of / are G(–2, 3), H(–1, 2), and I(–3, 1). If / is reflected across the x-axis to create /, find
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3 years ago
Assuming that the ship travels at a constant speed, what is its speed?
Ilia_Sergeevich [38]

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4 0
2 years ago
Which statements are true?<br>(look at picture)​
Makovka662 [10]

Answer:

D is true, E is true, F is true

Step-by-step explanation:

Hello,

n is an odd number it means that n = 2a+1 where a is integer

A

n^2-1=(2a+1)^2-1=4a^2+4a+1-1=4a(a+1)

this is <u>not</u> an odd number

B

n(n-1)=(2a+1)2a

this is <u>not</u> an odd number

C

(n-1)^2=(2a+1-1)^2=4a^2

this is <u>not</u> an odd number

D

n^2+2=(2a+1)^2+2=4a^2+4a+1+2=4a^2+4a+3= 2(2a^2+2a+1)+1

so this is an odd number

E

n(n-2)=(2a+1)(2a-1)=4a^2-1=4a^2-2+1=2(2a^2-1)+1

so this is an odd number

F

(n-2)^2=(2a+1-2)^2=(2a-1)^2=4a^2-4a+1 = 2(2a^2-2a)+1

this is an odd number

hope this helps

7 0
3 years ago
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