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IRINA_888 [86]
3 years ago
15

A technician charges a one-time fee of $65 plus a fixed hourly rate, h, dollars. The technician works at a customer's house for

3 hours and charges a total of $125. Create a tape diagram to show that information. What is the fixed hourly rate, in dollars, that the technician charges?
Mathematics
2 answers:
34kurt3 years ago
7 0

Answer:

56

Step-by-step explanation:

you add and find then you will get the answer

jok3333 [9.3K]3 years ago
3 0

Answer:

the aswer is 60 dollars por hour

Step-by-step explanation:

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40 points plz help if u can Which function has no Zeroes? Select all that apply.
Damm [24]
<h3>2 Answers: Choice C and choice D</h3>

y = csc(x) and y = sec(x)

==========================================================

Explanation:

The term "zeroes" in this case is the same as "roots" and "x intercepts". Any root is of the form (k, 0), where k is some real number. A root always occurs when y = 0.

Use GeoGebra, Desmos, or any graphing tool you prefer. If you graphed y = cos(x), you'll see that the curve crosses the x axis infinitely many times. Therefore, it has infinitely many roots. We can cross choice A off the list.

The same applies to...

  • y = cot(x)
  • y = sin(x)
  • y = tan(x)

So we can rule out choices B, E and F.

Only choice C and D have graphs that do not have any x intercepts at all.

------------

If you're curious why csc doesn't have any roots, consider the fact that

csc(x) = 1/sin(x)

and ask yourself "when is that fraction equal to zero?". The answer is "never" because the numerator is always 1, and the denominator cannot be zero. If the denominator were zero, then we'd have a division by zero error. So that's why csc(x) can't ever be zero. The same applies to sec(x) as well.

sec(x) = 1/cos(x)

7 0
2 years ago
7. Which is the best buy? 6 shirts for $25.50 4 shirts for $18.00 5 shirts for $21
ratelena [41]

5 shirts for $21

the 6 deal would be $4.25 for each shirt

4 deal would be $4.50 for each shirt

and the 5 deal is the cheapest because its $4.20 for each shirt

3 0
3 years ago
Read 2 more answers
Solve this system of equations: y = x2 – 3x 12 y = –2x 14 1.isolate one variable in the system of equations, if needed. y = x2 –
Dahasolnce [82]

Answer:

our answer is X=2 or X= -1

4 0
1 year ago
Solve the initial value problems:<br> 1/θ(dy/dθ) = ysinθ/(y^2 + 1); subject to y(pi) = 1
ladessa [460]

Answer:

-\theta cos\thsta+sin\theta = \frac{y^{2} }{2} + ln y + \pi  - \frac{1}{2}

Step-by-step explanation:

Given the initial value problem \frac{1}{\theta}(\frac{dy}{d\theta} ) =\frac{ ysin\theta}{y^{2}+1 } \\ subject to y(π) = 1. To solve this we will use the variable separable method.

Step 1: Separate the variables;

\frac{1}{\theta}(\frac{dy}{d\theta} ) =\frac{ ysin\theta}{y^{2}+1 } \\\frac{1}{\theta}(\frac{dy}{sin\theta d\theta} ) =\frac{ y}{y^{2}+1 } \\\frac{1}{\theta}(\frac{1}{sin\theta d\theta} ) = \frac{ y}{dy(y^{2}+1 )} \\\\\theta sin\theta d\theta = \frac{ (y^{2}+1)dy}{y} \\integrating\ both \ sides\\\int\limits \theta sin\theta d\theta =\int\limits  \frac{ (y^{2}+1)dy}{y} \\-\theta cos\theta - \int\limits (-cos\theta)d\theta = \int\limits ydy + \int\limits \frac{dy}{y}

-\theta cos\thsta+sin\theta = \frac{y^{2} }{2} + ln y +C\\Given \ the\ condition\ y(\pi ) = 1\\-\pi cos\pi +sin\pi  = \frac{1^{2} }{2} + ln 1 +C\\\\\pi + 0 = \frac{1}{2}+ C \\C = \pi  - \frac{1}{2}

The solution to the initial value problem will be;

-\theta cos\thsta+sin\theta = \frac{y^{2} }{2} + ln y + \pi  - \frac{1}{2}

5 0
2 years ago
F(x)=x^2-10 and g(x)=7–x, find (f-g)(-6)
Alisiya [41]

(f-g)(x)=f(x)-g(x)\\\\f(x)=x^2-10\\\\f(-6)\to\text{put x = -6 to the equation}\\\\f(-6)=(-6)^2-10=36-10=26\\\\g(x)=7-x\\\\g(-6)\to\text{put x = -6 to the equation}\\\\g(-6)=7-(-6)=7+6=13\\\\(f-g)(-6)=f(-6)-g(-6)=26-13=13

3 0
3 years ago
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