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djverab [1.8K]
3 years ago
12

SOMEONE PLS HELP ME WITH ASAP

Mathematics
2 answers:
Levart [38]3 years ago
7 0

Answer:

area of trapezium in terms of x=1/2*x(x+3+x+1)

Step-by-step explanation:

ollegr [7]3 years ago
6 0

Answer:

(x^2 + 2x) cm^2

Step-by-step explanation:

Area of trapezium = 1/2 (a+b)h

= 1/2 [(x+3)+(x+1)] (x)

=1/2 (2x+4)(x)

= 1/2 (2x^2 + 4x)

= x^2 + 2x

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3 years ago
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3 0
2 years ago
Write the quadratic equation in general form and then choose the value of "b."
eduard
The answer is b. 11. 

You can find this by multiplying the two parenthesis together. In order to do this, you can use a multiplying process known as FOIL (First, Outer, Inner, Last), where you multiply parts of the parenthesis in this order to make sure you do so properly. 

First Numbers:
2x * x = 2x^2

Outer Numbers: 
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Inner Numbers: 
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Last Numbers: 
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Now place them all in that order and simplify. 
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2x^2 + 11x - 6

Since the middle term (the one with the x value) has a coefficient of 11, that gives us a b value of 11. 
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3 years ago
In a math class with 21 students, a test was given the same day that an assignment was due. There were 12 students who passed th
snow_lady [41]

Answer:

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Step-by-step explanation:

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