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In-s [12.5K]
4 years ago
9

Help me please thank you (:

Mathematics
1 answer:
KonstantinChe [14]4 years ago
8 0
I'd say its C.15. hope this helps^-^
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Plz help I'll give brainy!!!
marta [7]

Answer:

see below

Step-by-step explanation:

we are given a exponential function

\displaystyle y =   \left(1/5\right) ^{x}

we want to figure out the missing values of y for x i.e (-2,-1, and 2) to do we can consider substituting so,

when x is -2 y should be

\displaystyle y =   \left(1/5\right) ^{ - 2}

rewrite ⅕ in exponent notation:

\displaystyle y =   \left((5) ^{ - 1} \right) ^{ - 2}

by law of exponent we obtain:

\displaystyle y =   (5) ^{ 2}

simplify square:

\displaystyle y =   \boxed{ 25}

when x is -1:

\displaystyle y =   \left(1/5\right) ^{ - 1}

rewrite ⅕ in exponent notation:

\displaystyle y =   \left((5) ^{ - 1} \right) ^{ - 1}

use law of exponent which yields:

\displaystyle y =    \boxed5

when x is 3:

\displaystyle y =   \left(1/5\right) ^{ 3}

by law of exponent we obtain:

\displaystyle y =   1/ {5}^{3}

simplify square which yields:

\displaystyle y =   \frac{1}{ \boxed{125}}

5 0
3 years ago
Find the midpoint of the line segment with end coordinates of: (−1,−6)and (4,5) Give coordinates as decimals where appropriate.
Arturiano [62]

Answer: The coordinates of the midpoint (1.5, -0.5)

Step-by-step explanation:

For the x-coordinate, find the difference between -1 and 4. That's 5. Take half of 5 and add to -1. So -1+2.5= 1.5

For the y-coordinate, the difference between -6 and 5 is 11. Half of 11 is 5.5. Add -6 + 5.5= 0.5

7 0
3 years ago
What is the answer?i need help I tried and it's not on the paper
Karolina [17]
You have to divide both sides by 2/3, and by doing that you'll get w= -5/4

7 0
3 years ago
A candy store sells walnuts for $8 per pound, and pecans for $2 per pound. If the store wants to create a bag of mixed nuts that
gizmo_the_mogwai [7]
Answer: 1/3 pound pecans and 2/3 pound walnuts.

Explanation: 

x ==> weight of walnuts
y ==> weight of pecans

║ x + y = 1 
║ 8x +2y = 6

║ x = 1 - y
║ 8x + 2y = 6

8(1 - y) + 2y = 6

8 - 8y + 2y  = 6

6y = 2

y = 1/3

x = 1 - 1/3 = 2/3
7 0
3 years ago
Steph makes 90\%90%90, percent of the free throws she attempts. She is going to shoot 333 free throws. Assume that the results o
nikitadnepr [17]

Answer:

0.03

Step-by-step explanation:

khan:)

7 0
3 years ago
Read 2 more answers
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