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2 years ago

12

brian buys bikes to resell. he applies a mark up of 15%. write two expressions to represent the selling price. let (b) represent

the original cost of the bike.

1 answer:

AleksandrR [38]2 years ago

6 0

You can do it and if you can't then I will tell you

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Two consecutive even integers have the following property. When the smaller integer is added to three times the larger integer,

polet [3.4K]

let x be the first integer
x+ 2 the second integer ( two consecutive even )

smaller integer added to three times the larger  <span>x + 3 ( x+2)
  </span>two less than five times the smaller <span>5x - 2</span>

x + 3 ( x+2) = 5x - 2

x+3x +6 = 5x -2

x=8
the first integer = 8
the second is x+2 =10

4 0

3 years ago

A different way of proving the angle sum of a triangle is to use diagram

marishachu [46]

a.yes

Step-by-step explanation:

a.angle BCD =b because angle BCD is alternate angle of angle ABC

b.the two angles angle BAC and angle ACD is co-interior angle because they are inside a parallel line

7 0

3 years ago

Can someone please help me out here? :)

Marizza181 [45]

Answer:

i believe it's 133.13

3 0

3 years ago

Simplify <br> 1/3 + 4/x-2 = 6

Maurinko [17]

Answer:

1/3+4/x-2=6

Step-by-step explanation:

your is answer 6

4 0

2 years ago

solve the average time for a student to complete this quiz is 24 24 minutes with a standard deviation of 2 minutes. What is the

LuckyWell [14K]

Answer:

The correct answer is "(18, 30) minutes".

Step-by-step explanation:

Mean,

= 24

Standard deviation,

= 2

The range of minutes where 99.7% of individuals completed the quiz will be:

= $Mean \pm 3\times Stdev$

On substituting the values, we get

= $24 \pm 3\times 2$

= $24 \pm 6$

now,

= $24-6$

= $18$

Or,

= $24+6$

= $30$

i.e., 18 to 30 minutes

3 0

3 years ago