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Ksivusya [100]
3 years ago
15

Find the number of real number solutions for the equation. x2 + 0x − 1 = 0

Mathematics
1 answer:
kolezko [41]3 years ago
6 0

Answer:

x=1 or x=−1 its either one of the other.

Step-by-step explanation:

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Plz help me fast it a timed test thank you
jeka57 [31]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
A caterer is preparing a dinner for a party. Shecharges an initial fee of $16 and $8.25 per person. How manypeople can attend a
Dafna1 [17]

Answer:

The nomber of people can attend a dinner that costs $131. 50 is 14.

Step-by-step explanation:

With the information provided, it can be said that the total cost of a dinner would be equal to the initial fee plus the result of multiplying the price per person for the number of people, which can be expressed as:

c=16+8.25x, where:

c is the total cost of he dinner

x is the number of people

Now, you can replace c with 131.50 that is the cost of a dinner and solve for x to find the number of people that can attend:

131.50=16+8.25x

131.50-16=8.25x

115.50=8.25x

x=115.50/8.25

x=14

According to this, the answer is that the nomber of people can attend a dinner that costs $131.50 is 14.

7 0
3 years ago
Divide 7/15 by 3/5. <br><br> A. 21/75<br> B. 7/9<br> C. 75/21<br> D. 7/25
makvit [3.9K]
The answer is b:
First change the operation to multiplication, and then change the last fraction to it's reciprocal (7/15 / 5/3)
Then, you can simplify 15 and 5 to 3 and 1 (divide each by 3)
Finally u multiply (7*1 / 3*3)

Sorry if its bad first time 
4 0
4 years ago
I need help ASAP !!!!!!!!!
antiseptic1488 [7]

the anser would be great to have a male or female plastic surgery and then you can get a chance to win the game is to be like that in mind that I have to be high as a kite to get the best way for me to do with my friends and family

4 0
4 years ago
How are the side lengths of a polygon and its perimeter related? Use examples to explain
AysviL [449]
The perimeter of a polygon or any shape is just the sum of all of its sides. If you are asked to find the perimeter of a polygon, you would simply just add all the sides together. For example, if a square has 4 sides with the length 2m, the perimeter of that square would be 2m + 2m + 2m + 2m = 8m. Perimeter just means add all the sides.
8 0
3 years ago
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