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attashe74 [19]
3 years ago
5

Could someone help me with this?

Mathematics
2 answers:
Veronika [31]3 years ago
5 0
No, you can’t afford a repair that takes 4 hours. If you have to pay $50 for a house call that leaves you with $150 and at a rate of $40 an hour that’d be another $160 you’d have to pay.
Tasya [4]3 years ago
4 0

Answer:

Step-by-step explanation:

To how did you attach a link?

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What is the domain of the function y = √x + 4 ?
puteri [66]

Hello from MrBillDoesMath!

Answer:

Domain:  x >=0 for both cases


Discussion:

Assuming we are dealing with real valued functions, the domain of

y = x^(1/2) +4

is the set of all "x" such that x>= 0  (so we are taking the square root of a positive, or zero, real number)


The domain of  x^(1/2) +6 -7 is the same as for the last function  and for the same reason.


Thank you,

MrB

8 0
3 years ago
Help with 21 please 22 is not needed
Gwar [14]
We can't see the whole question :/
8 0
3 years ago
Pls help with these two math questions
-BARSIC- [3]

Number 18 is D) (3+8m)-7

Number 19 is:

1) z>1

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3) z<1

4) z<-1

4 0
3 years ago
Read 2 more answers
What are the solutions of the quadratic equation? 4x^2+34x+60=0
insens350 [35]

Answer:

Option 3) -6,-5/2

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

4x^{2} +34x+60=0  

so

a=4\\b=34\\c=60

substitute in the formula

x=\frac{-34(+/-)\sqrt{34^{2}-4(4)(60)}} {2(4)}

x=\frac{-34(+/-)\sqrt{196}} {8}

x=\frac{-34(+/-)14} {8}

x_1=\frac{-34(+)14} {8}=-\frac{20}{8}=-\frac{5}{2}

x_2=\frac{-34(-)14} {8}=-6

6 0
2 years ago
Give the slope intercept form of the equation of the line that is perpendicular to 5x-3y=8
Stels [109]
Hello : 
let the slope : a    and ; b the slope of the line : 5x - 3y = 8
<span>the line that is perpendicular to 5x-3y=8  so : a×b = - 1 
but : 
5x - 3y = 8...      y = (5/3)x - 8/3  when : b = 5/3
</span><span> the slope intercept form of the equation of the line that is perpendicular
 to 5x-3y=8 is : y = (5/3)x +c </span>
5 0
3 years ago
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