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Delvig [45]
2 years ago
10

Question is DOWN↓ PLS ANSWER I WILL MARK BRAINLIEST.....

Mathematics
1 answer:
Sonja [21]2 years ago
5 0

Answer: Anita's

Step-by-step explanation:

Anita's shape would have the longest sides because she only has 4 total sides, while the others have 5, 6, and 10

This means that if the total perimeter for each of the shapes was 10 units,

Anita's shape would have side lengths of about 2.5 units while the others would have side lengths of 2, 1.6, and 1 units.

This means Anita's shape has the longest sides

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URGENT A dance competition on television had five elimination rounds. After each elimination, only one-fourth of the contestants
trapecia [35]

Answer:

Use the idea of slope here to find the rate of change of contestants since that is what slope is: the average rate of change between two coordinates. This is not linear, so the rate of change for the whole function is not going to be the same as it is between round 2 and round 4. The slope formula using the coordinates from x = 2 to x = 4 is 8 - 128/4 - 2 which gives a slope of -60. This represents the average rate of change of contestants from the second round to the fourth.

6 0
3 years ago
Read 2 more answers
How to factor 25x^2 - 81= 0
dalvyx [7]
Your question is a difference of squares. both terms that need to be factored are squared. to solve take the square root of each put into two terms one of addition and one of subtraction.

anwser= (5x-9)(5x+9)

the reason this works is because when you foil you get
25x²-45x+45x-81 
the middle terms cancel revealing
25x²-81
4 0
3 years ago
It is found experimentally that the electric field in a certain region of Earth's atmosphere is directed vertically down. At an
sweet-ann [11.9K]

Answer:

1.176604*10^{-10} C

Step-by-step explanation:

This is flux problem (see diagram below)

Since electric field is vertical to the top and bottom of the cube. total flux will be sum of flux up and down i-e

Фtotal=Фup + Фdown = Ф 260 + Ф150

But flux is given by scalar product of Electric field and area

Ф=E.A= EA cos∅

where ∅ is the angle between two vector quantities E the electric field and A the area vector. So, total flux is

Фtotal = =E_{260} .A+E_{150} .A

=E_{260} *A cos \alpha +E_{150} *A cos \beta

=E_{260} * Acos(180)+E_{150} * Acos(0)

=-E_{260} .A  +E_{150} .A

=A(E_{150} -E_{260} )

But we know that according to Gausse's Law total flux is given by;

Total flux = q / ∈

==> q= ∈(Total flux)

q = 8.84 *10^{-12} *110^{2} (260-150)

q=1.176604 *10^{-10} C

4 0
3 years ago
Help please Algebra 2 B
jok3333 [9.3K]
The degree of this polynomial is 3, so it has to have 3 roots or 3 zeros.
If it has one non-repeated x-intercept, that means that this polynomial has ine real zero.
So, it needs 2 more, and this 2 are complex zero.

Correct answer is B. One real and 2 complex zeroes.
6 0
3 years ago
What's (9+9i)(-1-5i) using foil method
hammer [34]

Answer:

36-54i

Step-by-step explanation:

(9+9i)(-1-5i)

v

-9-9×5i-9i-9i×5i

v

-9-45i-9i-45i^2

v

-9-45i-9i-45×(-1)

v

(-9)-45i-9i+(45)

v

36(-45i)(-9i)

v

36-54i

5 0
3 years ago
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