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matrenka [14]
3 years ago
8

- (1 /-11 )( 77+1100)

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
6 0

-(1/-11)(77+1100)=107

Yakvenalex [24]3 years ago
5 0

Answer:

107

Step-by-step explanation:

-(1/-11)(77+1100)

1/11(1177)

=107

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Determine if each table shown below represents a function or not ?
yarga [219]
Neither of them are functions. Functions cannot have two of the same numbers in the x value, and since the first table has two 5s in the x column and the second table has two 7s, neither of them can be functions.

Hope this helps :)
5 0
3 years ago
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Find the solution of the system of equations.<br><br>6x+y=30<br><br>−2x−5y=18
IRISSAK [1]

Answer:

Step-by-step explanation:

6x + y = 30

-6x - 15y = 54

-14y = 84

y = -6

6x - 6 = 30

6x = 36

x = 6

(6, -6)

6 0
3 years ago
Meal=$40 find the total cost​
zepelin [54]

Answer:

Step-by-step explanation:

You want to leave a 15% tip on a meal that cost $48.

First, convert the 15% to an actual number that can be used in a calculation. For percents,this is always done by simply dividing the percent (in this case 15%) by 100%.So, the conversational term "15%" becomes 15% / 100% = 0.15 in terms of a real mathematical number.

Second, you need to find out what 15% of your $48 meal cost is.This is always done by multiplying 0.15 by $48.00, or

0.15 x $48.00=$7.20.

So, the amount of tip you are going to leave is $7.20.

This makes the total cost of your meal (to write on your charge slip or other payment)

$48.00 + $7.20 = $55.20.

i hope this may come to use to your rude a    s    s  

7 0
3 years ago
Will mark brainliest!! Please answer ASAP
rusak2 [61]

Answer:

y=5

Step-by-step explanation:

y= 5 is always parallel to x axis

8 0
3 years ago
Find the discriminant and the number of real roots for this equation.
Margaret [11]

Our discriminant is 0 so, 4x^2 + 12x + 9 = 0 has one real root.

Option C is correct.

Step-by-step explanation:

we need to find the discriminant and the number of real roots for the following equation:

4x^2 + 12x + 9 = 0

The discriminant is found by using square root part of quadratic formula:

b^2-4ac

where b =12, a=4 and c=9

Putting values:

=b^2-4ac\\=(12)^2-4(4)(9)\\=144-144\\=0

To find out the number of real roots using discriminant we have following rules:

  • if discriminant b^2-4ac >0 then 2 real roots
  • if discriminant b^2-4ac =0 then 1 real root
  • if discriminant b^2-4ac <0 then no real roots

Since our discriminant b^2-4ac is 0 so, 4x^2 + 12x + 9 = 0 has one real root.

Option C is correct.

Keywords: discriminant

Learn more about discriminant at:

  • brainly.com/question/8196933
  • brainly.com/question/9328925
  • brainly.com/question/4853862

#learnwithBrainly

6 0
3 years ago
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