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2 years ago

Can I get help on this please someone

Mathematics

2 answers:

Aleonysh [2.5K]2 years ago

4 0

Answer:

Step-by-step explanation:

Let's break down the definitions.

Supplementary = degrees add up to 180

Vertical = share a common vertex

Complementary = degrees add up to 90

Adjacent = share a common side and vertex

Since the degrees add up to 90 and don't share a common side/vertex, the angles are complementary.

Musya8 [376]2 years ago

3 0

Answer:

I think the answer is C

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What is the slope of the line between (3, -4) and (-2, 1)?

k0ka [10]

M=<u>(y2-y1)</u>
(x2-x1) m= rise over run. That is the correct formula to find your slope.

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3 years ago

A car and a motorcycle leave the city at the same time and drive to a lake that is 120 km away. The speed of the motorcycle is 2

iris [78.8K]

Answer:

40 km/h and 60 km/h

Step-by-step explanation:

Let the speed of the car is x, then the speed of motorcycle is x + 20

The distance = 120 km

120/x = 120/(x + 20) + 1
120(x + 20) = 120x + x(x +20)
120x + 2400 = 120x + x² + 20x
x² + 20x = 2400
x² + 2*10x + 10² = 2500
(x + 10)² = 50²
x + 10 = 50
x = 40

Speed of the car is 40 km/h

Speed of the motorcycle is 60 km/h

3 0

2 years ago

Read 2 more answers

HURRY 20 POINTS!!!!! Given the geometric sequence an = 6(5)n − 1, which of the following values for n lies in the appropriate do

Lapatulllka [165]

<h2>Answer:</h2>

n = 1

<h2>Explanation:</h2>

Here we have the following Geometric Sequence:

$a_{n} = 6(5)^{n-1}$

Where:

$a=6 \ \text{First term} \\ \\ r=5 \ \text{Common ratio} \\ \\ n: \ \text{Number of terms}$

The first term occurs when $n=1$ . Next the second term occurs when $n=2$ , the third term when $n=3$ and so on. Therefore, the appropriate value of n that lies on the domain for n is $n=1$

7 0

2 years ago

Ax-by=c I need help solving this problem

telo118 [61]

Solving for x.
Add by to both sides
Ax=c+by
Divide both sides by a
x=c+by
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a

6 0

2 years ago

If BE = 2x + 2, BD = 5x – 3, and AE = 4x – 6, what are the values of x and AC?

Keith_Richards [23]

Answer: x=7 and AC = 44 unuts.

Step-by-step explanation:

We know that the diagonals of a parallelogram bisect each other. (i)

Here in parallelogram ABCD , AC and Bd are diagonals intersecting at E.

BE = 2x + 2, BD = 5x – 3, and AE = 4x – 6

Using (i)

$BE=\dfrac{BD}{2}\\\\2x+2=\dfrac{5x-3}{2}\\\\ 2(2x+2)=5x-3\\\\ 4x+4= 5x-3\\\\ 5x-4x=4+3\\\\ x= 7$

Now , AE = 4(7)-6 = 28-6 = 22

AC =2 AE = 2 (22) =44 units.

Hence, x=7 and AC = 44 unuts.

3 0

2 years ago