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zimovet [89]
3 years ago
7

1)An employee’s hourly raise went up from 10$ per hour to 12$ per hour. What is the rate of increase?

Mathematics
1 answer:
Step2247 [10]3 years ago
4 0
1- went up 20%

2- went up 7%


Hope this helps:)
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How to find the center of the equation (x-7)²+(y-10)² = 121
grandymaker [24]
Center is 7,10
Radius is 11
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2 years ago
The lines y1 = 2x - 6, y2 = -3x + 4, y3 = -1/2x + 4 intersect to form the sides of a right triangle. Find the perimeter and area
tino4ka555 [31]

The area and perimeter of the triangle is 2/5 square units and (2√10 + 4√5) / 5 units

<h3>Determining the perimeter and area of the triangle giving line equation</h3>

In order to determine the area and perimeter of the lines, we will plot the giving lines, determine the point of intersection and then use the Pythagoras theorem to determine the dimension of the right triangle.

The points of intersection of the line are;

(x₁, y₁) = (- 0.4, 5.2),

(x₂, y₂) = (-0.8, 4.4),

(x₃, y₃) = (0, 4)

Determine the base

b² = c² -a²

b = √(-0.8)² + (4 - 4.4)²

b = 2√5 / 5

Determine the height

h = √((- 0.4) - (- 0.8))² + (5.2 - 4.4)²

height = 2√5 / 5

For the hypotenuse

r = √2 · b

r = 2√10 / 5

<h3>Determine the Perimeter and area</h3>

Perimeter = s1+s2+s3

Perimeter = 2√5 / 5 + 2√5 / 5 + 2√10 / 5

Perimeter = (2√10 + 4√5) / 5 units

<u>For the area</u>

area = 1/2* base * height

A = 0.5 · (2√5 / 5) · (2√5 / 5)

A = 2/5 square units

Hence the area and perimeter of the triangle is 2/5 square units and (2√10 + 4√5) / 5 units

Learn more on area and perimeter of triangles here: brainly.com/question/12010318

#SPJ1

3 0
1 year ago
Pls help and thank you!!
nirvana33 [79]
Your answer is A.

why:

because if the y value changes then your vertical will change. if your x changes than your horizontal will change. if it’s compressed, your x value is less than 1.
8 0
3 years ago
a and b have the opposite directions. a has a magnitude of 7 , and b has a magnitude of 6 . What bust be true about a and b?
Hatshy [7]

Answer:

They are opposites and parallel.

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Need answer ASAP will give BRAINLEST <br><br> Please put a full answer thank you
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Answer:
1. It means they saved $125 in 10 months
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