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kupik [55]
3 years ago
9

solve the following quadratic equation by completing the square. if you need to round to the nearest tenth. x² - 20x = -75

Mathematics
1 answer:
lesantik [10]3 years ago
5 0
The Answer should be either x=15 or x=5 I got both.
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Eric's average income for the four months of the year 1450 point to $5 what must be his average income for the remaining eight m
Zielflug [23.3K]

Answer:

$2668.63

Step-by-step explanation:

If the average of 4 months is $5

Meaning the total sum for 4 months

4×5 =$20

If the average for the year was $1780.75​

It means the total sum for a year is;

$1780.75​×12 =$21369

This means the money received for the remaining 8 months is;

$21369-$20=$21349

Hence the average income for the remaining 8months is ;

The total amount for 8 months / 8;

$21349/8= $2668.625

$2668.63

8 0
3 years ago
Please help me and show me how to do it?
Greeley [361]

The answer is 8 batches of cookies

4 0
3 years ago
Pls help if u know math
Minchanka [31]

Answer:

x = 4

y = 11

Step-by-step explanation:

Set  your formula as follow:

2x+3=3x-1 -> 2x+3-3x=-1  -> -x+3 = -1 -> -x=-4 -> x=4

now substitute x for 4 in the following

y-2=2(4)+1 -> y-2=8+1 ->y-2 = 9y -> y=11

6 0
3 years ago
Read 2 more answers
1. How many lines are there in the figure?
kirza4 [7]

Answer: Looking for the same thing answer!!

Step-by-step explanation:

3 0
3 years ago
Need helppp asap plsss i added a pic ​
svetlana [45]
16/2
According to PEMDAS

Multiplying/dividing comes first when you read the equation from left to right
5 0
3 years ago
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