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Doss [256]
2 years ago
13

He charges $15 per hour to mow lawns and $20 per hour for gardening.

Mathematics
1 answer:
Reil [10]2 years ago
3 0

Answer:

Step-by-step explanation:

he can make 300 dollars per week by doing either or. so if you're asking whether the statement is correct, it is

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A large school district is reevaluating its teachers' salaries. They have decided to use regression analysis to predict mean tea
inna [77]

Answer:

a) Y = 35,422.12

b) Y = 29,367.67

c) 1,210.89

Step-by-step explanation:

The salary of teachers is forecasted by the following equation,

Y = 23,313.22 + 1,210.89X

Where Y is the forecasted salary and X is the years of experience.

(a) If a teacher has 10 years of experience, what is the forecasted salary?

Here we have X = 10

Y = 23,313.22 + 1,210.89(10)

Y = 23,313.22 + 12,108.9

Y = 35,422.12

(b) If a teacher has 5 years of experience, what is the forecasted salary?

Here we have X = 5

Y = 23,313.22 + 1,210.89(5)

Y = 23,313.22 + 6,054.45

Y = 29,367.67

(c) Based on this equation, for every additional year of service, a teacher could expect his or her salary to increase by how much?

For every additional year of service, a teacher could expect an increase of  1,210.89.

7 0
2 years ago
Help with trigonometry​
diamong [38]

Answer:

cos ∠CBD = - 4√41 / 41

Step-by-step explanation:

AB = 4      ΔABC = (4 x AC) / 2 = 10

AC = 5

BC = √5² + 4² = √41

cos ∠CBD = cos (180° - ∠CBA) = cos 180° cos ∠CBA + sin 180° sin ∠CBA

(cos 180° = - 1          sin 180° = 0       cos ∠CBA = 4 / √41 )

cos ∠CBD = (-1) x cos  ∠CBA = - 4 / √41 = - 4√41 / 41

4 0
3 years ago
The measure of the angle turns through 1 over 9 of the cicle the angle measure can be found using the expressions
skad [1K]

Answer:

1-9 the answer is -8of the circle

Step-by-step explanation:

7 0
3 years ago
Can you draw trapezoid three right angles
Hunter-Best [27]
Its impossible to draw a trapezoid with just three right angles.

a trapezoid has 4 sides, which means all the angles inside the trapezoid must add up to 360 degrees.

if you have just 3 right angles (90x3), you already use up 270 degrees. Leaving you with just 90 degrees left, which is also a right angle. That means, there has to be four, if you have at least 3.

6 0
3 years ago
6+q=1 <br> Help I forgot how to do these.
Helga [31]

Answer:

q=-5

Step-by-step explanation:

6+q=1

Isolate the variable by subtracting 6 from both sides of the equation

q=1-6

q=-5

4 0
2 years ago
Read 2 more answers
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