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AveGali [126]
3 years ago
11

Opposite reciprocal of -2/3? geometry/algebra

Mathematics
1 answer:
Ulleksa [173]3 years ago
8 0
The answer would be -3/2

A reciprocal is the inverse of a number.
When using this in fractions just switch the numerator and denominator. This is done by dividing the fraction by one, but in the case of a negative fraction you would divide by negative 1.
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In a race of 35 people, how many different ways can we have a 1st, 2nd and 3rd place finisher?
kumpel [21]

Answer:

39,270 ways.

Step-by-step explanation:

That is the number of permutations of 3 from 35.

35P3 = 35! / (35-3)!

= 35*34*33

= 39270.

8 0
3 years ago
Which of the following equations have complex roots?
valkas [14]

Answer:

B

Step-by-step explanation:

A:

Completing the square:  (x+ 7/2)^2 = -2 + 49/4 = 41/4, in the next step you'll be square rooting a positive number so it'll have real roots.

B:

Completing the square:  (x+3/2)^2 = -9 + 9/4 = -27/4, you'll next be square rooting a negative number, so it'll have complex roots

C:

Completing the square:  (x-5/2)^2 = -1 + 25/4 = 21/4, next you'll square root a positive number, so real roots

D:

Completing the square: (x+7/2)^2 = 2 + 49/4 = 57/4, square root a positive number, so real roots.

8 0
3 years ago
I attached a pic please help
umka2103 [35]
Function P: y intercept of 5 (0,5), no slope
Function Q: y=- \frac{1}{3} x+4, m=- \frac{1}{3}

A: Both functions do NOT have the same slope.
B: Both functions do NOT have negative slope.
C: Functions will NOT have same input when y=0
D. The functions will have different outputs when x=0 (Function P: (0, 5) and Function Q: (0, 4)
6 0
4 years ago
14(5-1/5×25)+2÷4×1 How Do I Evaluate This Expression ?
True [87]
Use the distributive property and multiply everything in the parentheses by 14.
Leaving you with.. (70 - 3.5 x 350) + 2 / 4 x 1.
Then reduce the parentheses. 
Leaving you with.. ( -1155) + 2 / 4 x 1
Then divide 2 by four.
Leaving you with.. (-1155) + .5
Answer..   -1,154.5
7 0
3 years ago
What is the greatest common factor of 11 and 14 ​
Archy [21]

Answer:

Step-by-step explanation:

The GCF of 11 and 14 is 1.

5 0
2 years ago
Read 2 more answers
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