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Akimi4 [234]
3 years ago
8

Study guide for math pls help

Mathematics
1 answer:
gulaghasi [49]3 years ago
6 0

Answer:

i think w= 1, - 3

Step-by-step explanation:

Mark as brainllest if its correct

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ILL GIVE BRAINLIEST IF YOUR CORRECT PLEASE HELP
777dan777 [17]

Answer:

B) 72 cm²

Step-by-step explanation:

<u>Area of a trapezoid formula:</u>

A=\frac{a+b}{2} *h

<u>Given:</u>

a = 15

b = 9

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Work:

A=\frac{a+b}{2} *h\\\\A=\frac{15+9}{2} *6\\\\A=\frac{24}{2} *6\\\\A=12*6\\A=72

4 0
2 years ago
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a) The quadratic 3x^2-12x-11 can be written in the form 3(x+a)^2+b. Find the values of a and b. b) Given that the solutions of t
LenKa [72]

Answer:

Step-by-step explanation:

a) 3x^2-12x-11=3*x^2-3*2*2*x+3*4-23=3*(x^2-2*2x+2^2)-23=3*(x-2)^2-23

so  a= -2 ,b= -23

b) x1=[12+V(12^2-4*3* -11)]/6=12/6+V(144+132)/6=2+2/6V69=2+1/3V69=

2+V69/9=2+V23/3

c=2, d= 23/3

5 0
3 years ago
What would W be equal to?
In-s [12.5K]

Answer:

w= -2h

Step-by-step explanation:

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3 years ago
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The amount Sandy earns from babysitting is proportional to the number of hours she works. The graph represents this proportional
Olegator [25]

Answer:

The amount Sandy earns from babysitting is proportional to the number of hours she works. The graph represents this proportional relationship.

Step-by-step explanation:

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3 years ago
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Two questions in 1 more points added​
VARVARA [1.3K]

Answer:

13

Step-by-step explanation:

The square root of 169 is 13

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3 years ago
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