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VladimirAG [237]

2 years ago

7

Which congruence theorems can be used to prove EFG congruent to JHG

1 answer:

MatroZZZ [7]2 years ago

3 0

SAS you have two pairs of parallel sides

you have another pair of side congruent to one another

and angle G is the same to itself.

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(x-1)^2+(2-x)^2-3(x-5)*(x-5)

Natali5045456 [20]

Answer:

$-x^2+24x-70$

Step-by-step explanation:

$(x-1)^2+(2-x)^2-3(x-5)*(x-5)\\=> (x - 1)^2 + (2 - x)^2 - 3(x - 5)^2\\=> x^2 - 2x + 1 + 4 - 4x + x^2 - 3(x - 5)^2\\=> x^2 - 2x + 5 - 4x + x^2 - 3(x - 5)^2\\=> x^2 - 6x + 5 + x^2 - 3(x - 5)^2\\=> 2x^2 - 6x+5 - 3(x - 5)^2\\=> 2x^2 - 6x+5 - 3(x^2 - 10x + 25)\\=> 2x^2 - 6x+5 - 3x^2+30x-75\\=> -x^2 - 6x + 5 + 30x - 75\\=> -x^2 + 24x + 5-75\\=> -x^2+24x-70$

Formula used =

$(a-b)^2 = a^2+ 2ab + b^2$

8 0

2 years ago

An airline claims that the proportion of no-shows for passengers who booked on its flights is less than 0.06. In a random sample

Genrish500 [490]

Step 1:

In a sample of 380 randomly selected reservations, 19 were no-shows.

Step 2:

Proportion of no shows p<0.06.

Step 3:

Test Value

z(19/380)=0.05

Step 4:

Test statistics

a) 0.05-1.124=-1.074

b) 0.05-(-1.943) = 0.05+1.943=1.993

c)0.05-(-0.821)=0.05+0.821=0.871

d)0.05 - 0.222 = - 0.172

e)0.05 -(-1.571) = 0.05+1.571 = 1.621

The above data clearly mentions the test statistics associated with the given samples.

7 0

2 years ago

Read 2 more answers

There are 100 sophomores at the school. 85% of them are good students. What would be the percent of good students at school if (

klemol [59]

Answer:

77%

Step-by-step explanation:

7 0

3 years ago

Solve the problem -8 / (-4) + (6 + 2) =?<br> A. 12<br> B. 6<br> C. 8<br> D. 10

zmey [24]

Answer:

d , 10

Step-by-step explanation:

-8 / -4 = positive 2, + (6+2) (eight) = 10

7 0

3 years ago

Read 2 more answers

14(5x-2)(x+19)/-7(x+19)(5x-2) simplified?

olga nikolaevna [1]

Answer:

25x3 + 25x2 - 19x + 7

—————————————————————

5x + 2

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers