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Nutka1998 [239]
3 years ago
11

Given: <A and <B are complementary.

Mathematics
1 answer:
andrezito [222]3 years ago
5 0

Answer:

48

Step-by-step explanation:

Complementary angles add to 90 degrees

A+B =90

5x+22  + 10x+8 = 90

Combine like terms

15x + 30 = 90

Subtract 90 from each side

15x +30-30 = 90-30

15x = 60

Divide by 15

15x/15 = 60/15

x =4

B = 10x+8

  =10*4+8

 = 40+8

 = 49

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What is the value of x in the equation 3x-5=1/2x+2x
creativ13 [48]

Answer:

10

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3x−5=

1

2

x+2x

3x+−5=

1

2

x+2x

3x−5=(

1

2

x+2x)(Combine Like Terms)

3x−5=

5

2

x

3x−5=

5

2

x

Step 2: Subtract 5/2x from both sides.

3x−5−

5

2

x=

5

2

x−

5

2

x

1

2

x−5=0

Step 3: Add 5 to both sides.

1

2

x−5+5=0+5

1

2

x=5

Step 4: Multiply both sides by 2.

2*(

1

2

x)=(2)*(5)

x=10

4 0
3 years ago
Use the Distance Formula to find the distance between D(2, 0) and E(8, 6).
Mazyrski [523]

Answer:

The answer is

<h2>6 \sqrt{2}  \:  \:  \: or \:  \:  \: 8.50 \:  \:  \:  \: units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  }  \\

where

(x1 , y1) and (x2 , y2) are the points

From the question

The points are D(2, 0) and E(8, 6

The distance between them is

|DE|  =  \sqrt{ ({2 - 8})^{2}  +  ({0 - 6})^{2} }  \\  =  \sqrt{( { -  6})^{2}  + ( { - 6})^{2} }  \\  =  \sqrt{36 + 36}  \\  =  \sqrt{72}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  = 6 \sqrt{2}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \\  = 8.4852813

We have the final answer as

6 \sqrt{2}  \:  \:  \: or \:  \:  \: 8.50 \:  \:  \:  \: units

Hope this helps you

5 0
3 years ago
Given f (x) = 1000 - (1.25)"<br> This is DECAY<br> This is GROWTH<br> Option 2<br> Option 1
kaheart [24]
Im not sure really sorry, hope somebody can help you.
3 0
3 years ago
What is 1/2 of 25 explain
Arisa [49]
(1/2)*25 = 25/2 = 12.5 
So the 1/2 of 25 is 25/2 or 12.5
5 0
3 years ago
Read 2 more answers
Witch is greater 15/4 or 17/5
Nady [450]
15/4 simplifies to 3 1/2 and 17/5 simplifies to 3 2/5 so 15/4 is greater
6 0
3 years ago
Read 2 more answers
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