B. The total cost (1) after 8% sales tax is added to an item's price (p): 1.08p =

Please help we just started learning this before hurricane Sally hit and knocked the power out last week.

Sever21 [200]

Answer:

5¹⁴

Step-by-step explanation:

Exponent Rule: $(b^m)^n = b^{mn}$

(5²)⁷

m = 2

n = 7

2(7) = 14

5¹⁴

3 0

3 years ago

Read 2 more answers

SHALL GIVE BRAINLIEST ANSWER!! A 40% solution of fertilizer is to be mixed with an 80% solution of fertilizer in order to get

sdas [7]

Answer:

20 gallons of the 40% solution, 60 gallons of the 80% solution

Step-by-step explanation:

Let x = the gallons of the 40% solution, and y = the gallons of a 80% solution. The first thing we want to do here is to convert each percentage into decimal form - including the 70% solution mixture.

40% = 0.40,

80% = 0.80, respectively 70% = 0.70

As you can tell, 0.40 is associated with x gallons, 0.80 is associated with y gallons, and the mixture contains 0.70 $*$ 80 solution, as 0.70 is associated with 80. Therefore we can formulate the following expression,

0.40x + 0.80y = 0.70 $*$ 80

At the same time x + y = 80, as the solution ( mixture ) is present with 80 gallons. Isolating x, x = 80 - y. Let us plug that into our expression, solving for y, following by x gallons.

$0.40\left(\:80\:-\:y\:\right)\:+\:0.80y\:=\:0.70\:\cdot \:80$

$0.4\left(80-y\right)+0.8y=56$ ( Multiply either side by 10 )

$4\left(80-y\right)+8y=560$ ( Expand )

$320-4y+8y=560$

$320+4y=560$

$4y=240$

$y = \frac{240}{4} = 60$ ( Substitute to solve for x )

$x = 80 - y = 80 - 60 = 20$

As you can see there are 20 gallons of the 40% solution, and 60 gallons of the 80% solution.

3 0

3 years ago

You don't have to answer them all but help me out !!

Mandarinka [93]

Answer:

1. 10n

2. 3x^2z^2

3. 2(9n^3 - 3n^2 + 3n - 1)

4. (Put the same thing)

5. There are no common factors so it is completely factored out.

Step-by-step explanation:

For 1, you gotta find the gcf of the numbers and the variables. So, the common factor of 90, 70, 70, and -80 is 10. Nothing else greater than 10 divides these numbers. For the variables, only "n" is the GCF, as there is one "n" and all the other numbers have n^2 and etc.

For 2, same thing, you have to find the gcf for the numbers and the variables.

3. same thing ;-; (gcf is 2 btw, nothing divides the variables because 2 has no "n".

4. theres nothing that divides the numbers or the variables. So, the gcf is just 1.

8 0

3 years ago

As part of a promotion for a new type of cracker, free trial samples are offered to shoppers in a local supermarket. The probabi

irina [24]

Answer: Our required probability is 0.99338.

Step-by-step explanation:

Since we have given that

n = 100

p = 0.200