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aliina [53]
2 years ago
5

20 POINTS! Need answer ASAP

Mathematics
2 answers:
kherson [118]2 years ago
6 0

Answer:

-\frac{1}{5}

Step-by-step explanation:

⇒ 5^{-1} is the same as \frac{1}{5}

⇒ -9^{0} is the same as 1

*Note that it is not one as you must follow BIDMAS rules - you do 9 to the power of 0 before multiplying by the negative (which is -1)

⇒ 1/5 ÷ - 1

⇒ 1/5 × 1/ - 1

⇒ 1/-5

const2013 [10]2 years ago
4 0
-1/5 is your answer, hope this helps :D
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If the original price is $80 and the percent of discount is 20% what is the sale price?
SIZIF [17.4K]

Answer:

64$

Step-by-step explanation:

20 percent of 80 is 16

80 - 16 is 64

7 0
3 years ago
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Which of the following digits could replace the ? In the tens place to make this statement true 63?5 rounds to the 6370 if we ro
anyanavicka [17]
?=6 so the number would be 6365 but sorry if it's wrong :/
4 0
3 years ago
Which point represents the quotient of 4+3i/-i
Alika [10]

Point T.

Step-by-step explanation:

The complex number (4-3i) has two parts:

Real part : +4

Imaginary part : -3i

Plot the real part +4 on the real axis on the positive side.

Plot the imaginary part -3i on the imaginary axis on the negative side.

As such,point T represents +4 of the positive real axis and -3i of the negative imaginary axis.

5 0
3 years ago
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Which could be the first step in simplifying this expression? Check all that apply. (x^3x^-6)^2
allsm [11]
If the expression is what I understand it is, this is my answer. (x to the third times x to the negative sixth all squared)

First, i would simplify what is inside the parentheses. x^-6 is the equivalent to
1/x^6. Therefore, the expression inside the parentheses is a fraction: x^3/x^6.

When dividing numbers with exponents, just subtract the exponents. 
3-6= -3     so the simplification of the expression in the parentheses is 1/x^3.

To finish the problem, I would apply the square from outside the parentheses to the values inside them. In this way, the exponent would be multiplied by 2.

Our final answer is 1/x^6.
3 0
3 years ago
The relationship between antioxidant food consumption per day in cups and the BMI of an individual is modeled by the following l
Katena32 [7]
This is in gradient intercept form (or slope intercept form)
y = mx + b
in this case y = -1.2x + 26
so m (the slope) = -1.2
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I'm not sure what intercept they're asking for.
if you wanted to find the x intercept, just substitute.
y = 0 and find x.
8 0
2 years ago
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