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Nadya [2.5K]
3 years ago
13

Sandra earns 6.50 an hour of babysitting she wants to purchase a pair of boots that cost 150 if she already has 35 which inequal

ity best represents the number of hours Sandra will have to babysit in order to have enough money to purchase the boots
Mathematics
1 answer:
postnew [5]3 years ago
4 0

Answer: 6.50h+35 must be greater than or equal to 150

Step-by-step explanation:

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5 more than a number y is -2
Nata [24]

Answer:

y + 5 = -2

Step-by-step explanation:

That would be y + 5 = -2

8 0
3 years ago
What are the exact solutions of x2 − 5x − 1 = 0 using x equals negative b plus or minus the square root of the quantity b square
geniusboy [140]

Answer:

x=2.5+\frac{\sqrt{29}}{2}\\\\x=2.5-\frac{\sqrt{29}}{2}

Step-by-step explanation:

So the question here is asking you to use the quadratic formula which is expressed as: x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\

A quadratic can generally be expressed as: y=ax^2+bx+c

So using the equation you gave: 0=x^2-5x-1

We can identify the following values: a=1, b=-5, c=-1

Btw the equation explicitly write "1" as the coefficient of x, but since it's not provided it's implied that it's 1.

So plugging in the known values, we get the following equation:

x=\frac{5\pm\sqrt{(-5)^2-4(1)(-1)}}{2(1)}\\\\x=\frac{5\pm\sqrt{25+4}}{2}\\\\x=\frac{5\pm\sqrt{29}}{2}\\\\x=2.5+\frac{\sqrt{29}}{2}\\\\x=2.5-\frac{\sqrt{29}}{2}

The last step just consists of taking the + and - solution, and since it asks for exact solutions you leave the 29 under the radical, and you don't approximate. There is no further simplification that can be done here.

5 0
2 years ago
Find the length of a leg
N76 [4]
The answer to your question is b.
8 0
3 years ago
Read 2 more answers
PLS HELP HURRY NEED rigGHT ANWSER
Alex787 [66]

Answer:

(3, -4)

Step-by-step explanation:

Lines are intersecting at points (3, -4).

So, the solution of the given system of equations is (3, -4).

Hope it helps you in your learning process.

4 0
3 years ago
Is there any tutors orrr
Papessa [141]
There’s tutors for math i just asked a tutor for help lol
4 0
2 years ago
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