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Sonja [21]
2 years ago
15

Please help me! I need help. Please help me, I need help, please help me!

Mathematics
1 answer:
stiv31 [10]2 years ago
5 0

Answer:

17x

Step-by-step explanation:

3x+4+4x+4+3x-4+3x-4+4x

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Calculate the discriminant and use it to determine how many real-number roots the equation has.
Vladimir79 [104]
In a quadratic equation with the general formula of:

ax^2 + bx + c = 0

The discriminant is equal to b^2 - 4(a)(c). If the answer is a perfect square, then there are two real numbers. If not, then there are no real number root.

The discriminant for this equation is

(-6)^2 - 4(3)(1) = 24

Since 24 is not a perfect square, there are no real number roots.
4 0
3 years ago
Samuel worked at a beach stand over the summer. He worked 6 hours a day 4 days a week. He earned $7.50 per hour how much money d
Nata [24]
Total earning in the summer = $1440
Step-by-step explanation:
Earning per hour for Samuel = $7.50
No. of hours worked in a day = 6
Earning for a day = Earning per hour for Samuel *No. of hours worked in a day
Earning for a day = $7.50 *6 = $45
___________________________________________________
No of days worked in a week by Samuel = 4
Earning for week = Earning for a day *No of days worked in a week by Samuel
Earning for week = $45*4 = $180
_____________________________________________________
No. of weeks worked in summer = 8
Total earning in the summer = Earning for week *No. of weeks worked in summer
Total earning in the summer = $180*8 = $1440 (Answer)

*NOT MY ANSWER SOMEONE ALREADY ANSWERED THIS***
3 0
3 years ago
The Japanese 5 yen coin has a hole in the middle. The diameter of the coin is 22 mm and the diameter of the hole is 5 mm. What i
ololo11 [35]

Answer:20mm

Step-by-step explanation:

8 0
2 years ago
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What is located at (–2, –2)?
tatuchka [14]

Answer:

B. The post office

youre welcome!

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3 years ago
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Step-by-step explanation:

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