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Reptile [31]
3 years ago
14

HELLPPP PLEASEEEEEEEEE :))))))

Mathematics
2 answers:
Bezzdna [24]3 years ago
7 0
The first and last form a right triangle!!
lana [24]3 years ago
5 0
I think its the last one
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9y-7=56 y=?: show work
enyata [817]

Answer:

53.12

Step-by-step explanation:

1234567890

6 0
3 years ago
Read 2 more answers
Why does the expression i to the power 4n+2 is always equal to -1​
Alexandra [31]

Answer:

See Below.

Step-by-step explanation:

We are given:

i^{4n+2}

Using exponent properties:

=i^{4n}\cdot i^2

Rewriting:

=(i^4)^n\cdot i^2

Since i⁴ = 1 and i² = -1:

=(1)^n\cdot -1

1 to any power is still 1:

=1\cdot -1 = -1

7 0
3 years ago
Use the distributive property to simplify 3 + 5c(2 + 6c) completely.​
Charra [1.4K]

Answer:

Distributive property says that:

(A + B)*C = A*C + B*C

Now let's try to use it in our expression:

3 + 5*c*(2 + 6*c)

Here we can take the two terms inside the parentheses as A and B, and the term that multiplies them as C, then distributing we get:

3 + (5*c)*2 + (5*c)*(6*c)

Now remember that the multiplications are associative and commutative, then we can write this as:

3 + (2*5)*c + (5*6)*(c*c)

3 + 10*c + 30*c^2

And we can't simplify it anymore.

7 0
3 years ago
What is the 11th term of the geometric sequence with this explicit formula?<br> an = 5.(-2)(n-1)
erastova [34]

Answer:

5,120

Step-by-step explanation:

an = 5.(-2)^(n-1)

a11 = 5.(-2)^(11-1)

= 5.(-2)^10

= 5.(1,024)

= 5,120

7 0
3 years ago
Solve for x: 2|x − 3| + 1 = 7
bearhunter [10]
***SOLVE FOR X***


Answer:<span><span>
x=<span><span>6<span> or </span></span>x</span></span>=<span>0</span></span>
6 0
4 years ago
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