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Romashka [77]
3 years ago
10

Pls someone help me .......................

Mathematics
1 answer:
Dovator [93]3 years ago
7 0

Answer:

Trapezoid

Quadrilateral

Step-by-step explanation:

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Please help with these problems! Will mark answer as brainliest and give 30 points. You have to show your work for each problem.
gulaghasi [49]

Answer:

1) (2x + 2)(x + 2)

2)  2(x + 1)(x - 1)

3) (x^2 + 3)(x^2 - 3)

4) 2x(x + 5)(x - 2)

5) (5x + 2y)(5x - 2y)

Step-by-step explanation:

1)

2x^2 + 6x + 4

= 2x^2 + 4x + 2x + 4

= 2x(x + 2) + 2(x + 2)

= (2x + 2)(x + 2)

2)

2x^2 - 2

= 2(x^ 2 - 1) (The difference of two squares)

= 2(x + 1)(x - 1)

3)

x^4 - 9 (The difference of two squares)

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

4)

2x^3 + 6x^2 - 20x

= 2x(x^2 + 3x - 10)

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

5)

25x^2 - 4y^2         (The difference of two squares)

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

4 0
2 years ago
Which of the following describes how to translate the graph y = |x| to obtain the graph of y = |x| - 4?
jenyasd209 [6]
The answer is that it goes 4 units down, i hope this helped :D
4 0
3 years ago
Read 2 more answers
How would I solve I need to know Asap and what is the answer
masha68 [24]

Answer:

True; True; False; True

Step-by-step explanation:

4 0
1 year ago
You roll 2 dice. What is the probability of getting two 5's?
eduard
The coment before me is super funny lol
The heck burger burger burger burger burger burger
4 0
2 years ago
30 POINTS HELP ANSWER ASAP AND EXPLAIN STEP BY STEP HOW TO SOLVE The two non-parallel sides of an isosceles trapezoid are each 7
weeeeeb [17]
See diagram
I wrote that the degrees are 70 each because it is isocolese and 140/2=70


a.
to solve for the diagonal, I'm going to use trig to find the height and the base then use pythagorean theorem to find the diagonal

so
see I've drawn an auxiliry line to make a right triangle on the leftmost side
so
we want to find the height and base
sin(70°)=h/7
so 7sin(70°)=h≈6.57785

cos(70°)=base/7
so 7cos(70°)=base≈2.39414

now
the entire long base is 22, so that big triangle with the diagonal as the hyptonuse is 22-2.39414=19.6059
use pythagorean theorem, like 6.57785²+19.6059²=diagonal²
we get that the diagonal is about 20.68ft




b.
we got that the base was 7cos(70°)
2 of those bases so 22-14cos(70°)=17.2117ft or rounded 17.21ft




a. 20.68ft
b. 17.21ft

3 0
3 years ago
Read 2 more answers
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