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Simora [160]
3 years ago
7

Can someone please help me with using the quadratic formula to find the solutions to the equation

Mathematics
1 answer:
galina1969 [7]3 years ago
6 0
A quadratic equation has the standard form:

ax^2 + bx + c = 0

in the given equation,
a = 3
b = -10
c = 5

plug these values into the quadratic formula.

(-b +/- sqrt(b^2 - 4ac)) / (2a)

(-(-10) +/- sqrt((-10)^2 - 4(3)(5)) / (2*3)
(10 +/- sqrt(100 - 60)) / (6)
(10 +/- sqrt(40)) /6
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Short=5 hypotenuse=10 long=
Leviafan [203]
I hope this helps you



10^2=5^2+x^2



100-25= x^2


x= 5 square root of 3
5 0
3 years ago
Read 2 more answers
Arianna is working two summer jobs, making $6 per hour walking dogs and making $10 per hour tutoring. In a given week, she can w
Mice21 [21]

Step-by-step explanation:

x = number hours dog walking

y = number hours tutoring

x + y <= 11

6x + 10y >= 80

the solution is the common area below the first line and above the second line.

the first line is above the second line (due to the y-intercept of 11 vs. 8) until the crossing point.

for the crossing point we use the regular equations :

from the first we get

x = 11 - y

using this in the second

6×(11 - y) + 10y = 80

66 - 6y + 10y = 80

4y = 14

y = 14/4 = 7/2 = 3.5

x = 11 - y = 11 - 3.5 = 7.5

so, she has to do at least 3.5 hours tutoring (and then 7.5 hours dog walking) for the minimum of $80 earning, all the way up to the maximum of 11 hours tutoring (and 0 dog walking) for $110 earning.

8 0
2 years ago
0<br> 1<br> 2<br> 3<br> 4<br> 5.<br> 6<br> I don’t know what I’m doing
IgorC [24]

Answer:

cool

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Your mom purchased an antique lamp for $245. The value
larisa86 [58]

Answer:

y=245 * 1.035^t   $487.50

Step-by-step explanation:

y=245*1.035^20

y=245*1.9898

y=487.49827

6 0
2 years ago
Solve the equation<br> 13-4x=1-x
dem82 [27]
Add 4x to both sides and get
13 = 1 + 3x
12 = 3x   [from subtracted 1 from both sides]
x = 4      [from dividing 3 from both sides]

therefore your answer would be  x = 4
3 0
3 years ago
Read 2 more answers
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