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Paul [167]
2 years ago
9

Please answer the question shown in the attachment.

Mathematics
1 answer:
Ede4ka [16]2 years ago
5 0

Answer:

its A

Step-by-step explanation:

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3^2x+1=9^2x-1 solve the equation ​
stich3 [128]
9x+1 =81x-1


2 = 72x

X=36
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2 years ago
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Y intercept (3,1) and (-4,-6)?​
lana [24]

Answer:

y-intercept:  (0, -2)

Step-by-step explanation:

Determine by how much x (the run) and y (the rise) change as you go from (-4, -6) to (3, 1):  The change in x is 7 and that in y is also 7.  Thus, the slope is

m = 7/7, or m = 1.

Using the point-slope form and the point (3, 1), we get:

y - 1 = 1(x - 3), or y = 1 + x - 3, or y = x - 2

Comparing this to y = mx + b, we see that the y-intercept is -2.

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2 years ago
An element has half life of about 20 days. How much of 3000 gram sample is left after 100 days?
bagirrra123 [75]

t=100

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4 0
3 years ago
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Help pls need work shown
ZanzabumX [31]

Answer:

1.) P = 8g + 50

2.) Find the attached file for the graph.

Step-by-step explanation:

Let the profit = P

And g = good sold.

Given that each yo-yo sells for $8.00

The rate or the slope of the equation will be 8

Also, it is given that they must pay a clerk $50.00 a day to sell them. A flat rate of 50 dollars is an intercept of the equation.

Using the general linear equation of

Y = mX + C

The equation for the profit the store will make in a day will be.

P = 8g + 50

Please find the attached file for the graph

5 0
3 years ago
A committee has thirteen members. There are three members that currently serve as the​ board's chairman, ranking member, and tre
kogti [31]

Answer: Probability P = 1/1716

Step-by-step explanation:

Definition

For permutation ( order is important)

nPr = n!/(n-r)!

Given;

Total number of members in the committee = 13

Total number of members to be selected = 3

Since order is important in this case.

The total number (Tt) of possible ways of selecting three executives from the committee members is given as

Tt = 13P3 (since order is important)

Tt = 13!/(13-3)!

Tt = 13!/10!

Tt = 1716

The probability P of randomly selecting the three members who currently hold the positions of chairman, ranking member, and treasurer and reassigning them to their current​ positions is equal to

P = number of favourable outcomes/ number of possible outcomes

Number of favourable outcomes = 1 (i.e 1×1×1 = 1) one option for each post.

Number of possible outcomes = Tt = 1716

P = 1/1716

7 0
3 years ago
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