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padilas [110]
3 years ago
7

Why do we use the quadratic formula as opposed to trying to solve using factoring

Mathematics
1 answer:
Jlenok [28]3 years ago
8 0
Sometimes there is no apparent way to factor it by hand /(the factors are decimals or imaginary). To try and factor these problems is nearly impossible in your head.
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A catering company charges $550 for 20 guests
sladkih [1.3K]
775-550 = 225 for an extra 15 guests
225/15= 15$ per person
6 0
3 years ago
Solve the following equation<br> Round to the nearest tenth<br> 5.8 + 5.9x = 6x + 5
Jlenok [28]

Answer:

x=8

Step-by-step explanation:

5.8+5.9x=6x+5

5.9x-6x=5-5.8

-0.1x= -0.8

x=8

7 0
3 years ago
Read 2 more answers
URGENT!!!!!!!!
LuckyWell [14K]

Answer:

x+y=24 so we can say

x=24-y making 3x+5y=100 become

3(24-y)+5y=100

72-3y+5y=100

72+2y=100

2y=28

y=14, since x=24-y

x=10

So there are 10 3-point questions and 14 5-point questions.

MARK ME AS BRAINLIST PLZ I REALLY NEED IT

6 0
3 years ago
What is the length of a line segment that extends from (-3 , 4) to (4, 4)?
PolarNik [594]

Answer:

7

Step-by-step explanation:

using the distance formula

√(4- -3)^2 + (4-4)^2

√49

7

4 0
3 years ago
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A person invested $710 in an account growing at a rate allowing the money to double every 12 years. How long, to the nearest ten
mario62 [17]
4 years and 7 months so I guess that would be 4.6 years
3 0
2 years ago
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