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Ksju [112]
3 years ago
5

Please help me in this math problem I need help at thin pleas and thank you

Mathematics
1 answer:
omeli [17]3 years ago
6 0

Answer:

See attachment for answers

Step-by-step explanation:

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jonny [76]
I think the word you're looking for is congruent. Congruent angles always have the same angles.
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If [x] denotes the least integer greater than or equal to x and [x/2] = 0, which of the following could be the value of x?A. -2B
podryga [215]

Answer:

B) -3/2

Step-by-step explanation:

If [x/2]=0 then x/2 is a number such that the least integer greater than or equal to x/2 is 0. We can rewrite this as the inequality x/2≤0. Then, the value of x in C, D and E is wrong because they are positive numbers, then x/2 would be a positive number which contradicts this inequality.

Now, 0 is the least integer that satisfies this inequality, therefore we cannot have that x/2≤-1 since -1 is an integer and -1<0. Then x/2>-1. This discards A as wrong, because for x=-2, x/2=-1, contrary to x/2>-1.

Thus B is the right answer. To verify, if x=-3/2, then x/2=-3/4 and we have that -1<-3/4≤0 as required.

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3 years ago
Which decimal is equivalent to -3 1/8?
ryzh [129]

Answer:

-3.125

Step-by-step explanation:

7 0
3 years ago
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One-step equations: integers 18=a/2
denpristay [2]

Answer:

36

Step-by-step explanation:

18=a/2

2*18=a

36=a

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Find the sum and express it in simplest form. (3a^2 + 2a) + (5a^-a -7) ​
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Answer:

8a^2+a-7

Step-by-step explanation:

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