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borishaifa [10]
3 years ago
10

Alex and Amber are both saving money for a

Mathematics
1 answer:
Alecsey [184]3 years ago
4 0

Step-by-step explanation:

25*x+100=30×x+75

25=5x

x=5

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A rectangle is ( x + 6 ) meters long and ( 2 x − 1 ) meters wide. Which expression represents the PERIMETER of the rectangle?
Furkat [3]

Answer:

6x +10

Step-by-step explanation:

Perimeter = 2*(length + width)

 = 2* (x+6 + 2x-1)

=2*(3x +5)

=2*3x + 2*5

=6x + 10

4 0
3 years ago
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What are the exact values of sin(2π/3radians) and cos(2π/3radians)?
maria [59]
Sin(2π/3radians) = sin(π/3radians) = (<span><span>√3)/</span>2</span>cos(2π/3radians) =<span> - cos(π/3radians) = 1/2
</span>
becuase 2π/3 + π/3 = <span>π</span>





6 0
3 years ago
In parallelogram ABCD, AB= x, BC= x+y, CD= y-x and AD= 15. solve for x and y
erma4kov [3.2K]

Answer:

I think 29

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7 0
3 years ago
What is a equation????
8_murik_8 [283]

answer: an equation is a set of numbers put together within a problem that you are meant to solve in order to receive the final answer.

5 0
3 years ago
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Evaluate the expression when y=6 and x = 35.<br> x-3y
vredina [299]

Answer:

17

Step-by-step explanation:

Given: y = 6; x + 35

Step 1: Equation

x - 3y            

Step 2: Substitution    

35 - 3(6)      

Step 3: Solving

35 - 18 = 17

Answer:

17

Hope This Helps :)

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