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tia_tia [17]
3 years ago
7

(-9) to the 2nd power

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
5 0
81

(-9)(-9) is 81

Multiplying two negatives gives a positive
jeka943 years ago
4 0

Answer:

(-9) to the 2nd power would be 81

Step-by-step explanation:

Brainliest please

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Which triangle is similar to the triangle T
Delicious77 [7]

Answer:

the last one

maybe?

Step-by-step explanation:

3 0
3 years ago
List all x intercepts for y= -cos(1/2x + 1/5 pi) on the interval [-2/5pi,4pi]
Dahasolnce [82]
- cos ( 1/2 x + 1/5 π ) = 0 ( and because if cos α = 0, α= π/2 + k π, k ∈ Z )
1/2 x + π/5 = π/2 + k π,    k ∈ Z
1/2 x = π/2 - π/5 + k π  / * 2
x = π - 2π/5 + 2 k π
x = 3/5 π + 2 k π = 0.6 π + 2 k π
Answer:
If k = 0:  x 1 = 0.6 π = 3π/5
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3 0
3 years ago
Read 2 more answers
Ahmad and Ben have a total of 78 keychains.
Murljashka [212]

Sorry it was tru

2C=B

C-A=6 A=C-6

A+B+C=78

78=C-6+2C+C

5 0
3 years ago
Write an equation of the line that passes through (−5, −2)(−5, −2) and is parallel to y=23x+1y=23x+1.
Klio2033 [76]
Assuming you meant 2/3
y=2/3x+1 and (-5,-2)

paralell means same slope
y=mx+b
m=slope

y=2/3x+1
sllope=2/3

point slope
y-y1=m(x-x1)
for slope=m
a point is (x1,y1)

slope=2/3
point=(-5,-2)

y-(-2)=2/3(x-(-5))
y+2=2/3(x+5)
or
y=2/3x+16/3

7 0
3 years ago
Suppose you borrow money for 6 months. If the interest rate is compounded monthly, the formula
Alinara [238K]

Answer:

$1045.85.

Step-by-step explanation:

A=p(1+r/12)^6

Here  r = 0.09, P = $1000 so

Amount of money needed to pay off the loan =

1000(1 + 0.09/12)^6

= $1045.85.

6 0
3 years ago
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