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gizmo_the_mogwai [7]

3 years ago

10

Sherman has 3 cats and 2 dogs he wants to buy a toy for each of his pets Sherman has $22 to spend on pet toys how much can he sp

end on each pet?Write your answer as a fraction and as an amount in dollars and cent

1 answer:

Ksju [112]3 years ago

6 0

He should spend at least $4.00 on each 4.00/22

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Given the functionf(x)=0.5(3)^x, what is value of f-1(7)

gogolik [260]

Ok, a fun hack

if f⁻¹(a)=b then f(b)=a

so if f⁻¹(7)=b then f(b)=7

to find b, find x such that f(x)=7

7=0.5(3)^x
times both sides by 2 (or divide both sides by 0.5)
14=3^x
take log₃ of both sides
$log_3(14)=x$

$f^{-1}(7)=log_3(13)$

4 0

3 years ago

A jar contains two blue and five green marbles. A marble is drawn at random and then replaced. A second marble drawn at random.

DerKrebs [107]

corrected question:A jar contains two blue and five green marbles. A marble is drawn at random and then replaced. A second marble drawn at random. For each of the following, find the probability that: a) both marbles are blue b) both marbles are the same color c)the marbles are different in color

Answer:

Step-by-step explanation:

<u><em>The probability was done with replacement.</em></u>

Probaility of an event happening $=\frac{number of required outcomes}{number of possible outcomes}$

number of blue marbles= 2

number of green marbles=5

total number of marbles=7

(a) probability that both marbles are blue = pr(first is blue)*pr(second is blue)

$=\frac{2}{7}*\frac{2}{7}$

$=\frac{4}{49}$

(b)probability that both marbles are the same color =pr(first is blue)*pr(second is blue) + Pr(first is green)*Pr(second is green)

$=\frac{4}{49} + \frac{5}{7}*\frac{5}{7}$

$=\frac{4}{49} + \frac{25}{49}$

$=\frac{29}{49}$

(c)Probability that the marbles are different in colors=pr(first is blue)*pr(second is green) + Pr(first is green)*Pr(second is blue)

$=\frac{2}{7}*\frac{5}{7}+ \frac{5}{7}*\frac{2}{7}$

$=\frac{10}{49}+\frac{10}{49}$

$=\frac{20}{49}$

6 0

3 years ago

which of the following equations can be used to calculate the values of t for which the distance between Chris and any is 300 mi

Papessa [141]

The first thing we must know in this case is that the distance is equal to the speed for time.
We have then:
For Chris:
d1 = 40 * t
For Amy:
d2 = 60 * (t-2)
The distance between both will be given by the hypotenuse of the rectangle triangle:
300 = root ((40 * t) ^ 2 + (60 * (t-2)) ^ 2)
Answer:
300 = root ((40 * t) ^ 2 + (60 * (t-2)) ^ 2)
option 3

8 0

3 years ago

Read 2 more answers

Find the measure of the missing angle using exterior angle sum theorm

AnnyKZ [126]

35 degrees.

Assuming 145 is the exterior angle, the interior is 35. 180-145=35
Add 110 to 35 and get 145 degrees. Which leads the remaining angle 35 degrees

3 0

3 years ago

Read 2 more answers

What is the answer to 5 - a0 = 14

nikklg [1K]

Answer:

There are no solutions.

Step-by-step explanation:

cuz they ain't all real numbers

im wrong

5 0

3 years ago