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stira [4]
2 years ago
13

Plllllzzzzzzzz hellllllllpppp again...lol

Mathematics
2 answers:
liq [111]2 years ago
8 0

Answer:

34

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the opposite interior angles

71 = z+37

Subtract 37 from each side

71 -37 =z

34 =z

bagirrra123 [75]2 years ago
8 0

Step-by-step explanation:

thank \: you

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Amanda and Ndiba are selling flower bulbs for a school fundraiser. Customers can buy packages of tulip bulbs and bags of daffodi
Gemiola [76]

Answer is on the attachment. Brainlist pls.

Step-by-step explanation:

5 0
3 years ago
How to write 2/10 as a fraction with a denominator of 100?
mrs_skeptik [129]

Answer To change a fraction into an equivalent fraction with a denominator of 100: 1. establish how many times the given denominator fits (divides) into 100 2. multiply both the numerator and the denominator by that number. Remember that factor pairs of 100 could be of assistance.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Which is equivalent to “12 chairs for every 3 tables”?
choli [55]

Answer:D. -4


Step-by-step explanation:

If the relationship is proportional, what is the missing value from the table?

X Y

-3 -1

-12 ?

-30 -10



7 0
3 years ago
Read 2 more answers
0.4x + 6.1 for x= -5.
s344n2d4d5 [400]
1) 0.4 x -5 + 6.1
2) -2 + 6.1
3) -4.1
Therefore, the answer is -4.1
5 0
3 years ago
Read 2 more answers
If x+y = 1, and x^2 + y^2 = -1, what is x^7 + y^13?<br> 1) 0<br> 2) 1<br> 3) -2<br> 4) 2<br> 5) -1
damaskus [11]

Solve for <em>x</em> and <em>y</em> :

<em>x</em> + <em>y</em> = 1   →   <em>y</em> = 1 - <em>x</em>

<em>x</em> ² + <em>y</em> ² = -1

<em>x</em> ² + (1 - <em>x</em>)² = -1

<em>x</em> ² + (1 - 2<em>x</em> + <em>x</em> ²) = -1

2<em>x</em> ² - 2<em>x</em> + 1 = -1

2<em>x</em> ² - 2<em>x</em> + 2 = 0

<em>x</em> ² - <em>x</em> + 1 = 0

<em>x</em> ² - <em>x</em> + 1/4 = -3/4

(<em>x</em> - 1/2)² = -3/4

<em>x</em> - 1/2 = ±√(-3/4)

<em>x</em> - 1/2 = ±√3/2 <em>i</em>

<em>x</em> = 1/2 ± √3/2 <em>i</em>   →   <em>x</em> = exp(± <em>iπ</em>/3)

<em>y</em> = 1 - (1/2 ± √3/2 <em>i</em> )   →   <em>y</em> = -1/2 ± √3/2 <em>i</em>   →   <em>y</em> = exp(± 2<em>iπ</em>/3)

Then

<em>x </em>⁷ + <em>y </em>¹³ = exp(± 7<em>iπ</em>/3) + exp(± 26<em>iπ</em>/3)

… = exp(± <em>iπ</em>/3) + exp(± 2<em>iπ</em>/3)

since 7<em>π</em>/3 is equivalent to <em>π</em>/3, and 26<em>π</em>/3 is equivalent to 2<em>π</em>/3 (both modulo 2<em>π</em>).

In either case, we get

<em>x </em>⁷ + <em>y </em>¹³ = <em>x</em> + <em>y</em> = 1

so the answer is (2) 1.

8 0
3 years ago
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