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MrRa [10]
4 years ago
15

What is the value of (-14^0)^-2?

Mathematics
1 answer:
posledela4 years ago
6 0

Answer:

The value of given expression is 1.

Step-by-step explanation:

The given expression is

(-14^0)^{-2}

If a is a real number, then a^0=1.

(-1)^{-2}                 [\because a^0=1]

Using exponent property we get,

(-1)^{-2}=\frac{1}{(-1)^2}                    [\because a^{-n}=\frac{1}{a^n}]

(-1)^{-2}=\frac{1}{1}

(-1)^{-2}=1

Therefore the value of given expression is 1.

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During a sale, a store offered 60% discount on a particular camera that was originally priced $450. After the sale, the discount
Oxana [17]

Answer:

$288.00

Step-by-step explanation:

Im just going off what my calculator told me, but im 95% sure its correc

450- 60%= 180

180+60%=288

8 0
3 years ago
Please solve with elimination
pshichka [43]

Answer:

Step-by-step explanation:

5x+9y=-3             Multiply both sides by 8

40x+72y=-24

-53x-8y=-3  Multiply both sides by 9

-477x -72y= -27

sum the equations vertically to eliminate one variable  

40x+72y= -24

-477x-72y= -27       (the y cancels out )

-477x =-51                (-24 + -27=-51)

-477x=-51 / -477       divide both sides by -477

x =51/437

5x 51/437=9y= -3   substitute the value of x

y= -174 /437

(x,y) = (51/437,  -174/437)

6 0
3 years ago
Solve for x in the equation x^2 + 20x + 100 =36.
arsen [322]

Answer:

x = -16 or x = -4 ........

5 0
4 years ago
Read 2 more answers
Jennifer’s grandmother buys carrots at the farm stand.She and her 3 grandchildren equally share the carrots. How many kilograms
ohaa [14]

According to picture Jennifer’s grandmother buys = 28 kg of carrots.

Total number of grandchildren = 3.

Number of kilograms of carrots are distributed equally.

<u>In order to find the Number of kilograms of carrots are distributed, we need to divide total Kgs of carrots by total number of grandchildrens.</u>

Therefore ,

28 ÷ 3 .

On dividing 28 by 3, we get 7.

Therefore, Jennifer will get 7 kilograms of carrots.


8 0
3 years ago
How are 5/10,5/100 and 5/1000 how are they related
kvasek [131]

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5 0
4 years ago
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