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kenny6666 [7]
3 years ago
5

A bakery sells 10 peanut butter cookies for a total of $7.00. Find the unit rate​

Mathematics
1 answer:
mariarad [96]3 years ago
6 0

Answer: $0.70 per cookie

Which is the same as saying 70 cents per cookie

=============================================================

Explanation:

The unit rate is the cost of one cookie. The term "unit" means "one".

10 cookies = 7 dollars

10/10 cookies = 7/10 dollars ...... divide both sides by 10

1 cookie = 0.70 dollars

Since one cookie costs $0.70, the unit rate is $0.70 per cookie or you can say 70 cents per cookie.

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<img src="https://tex.z-dn.net/?f=%20%7B2%7D%5E%7Bm%7D%20%20%3D%20n%20" id="TexFormula1" title=" {2}^{m} = n " alt=" {2}^{m} =
sveta [45]

Answer:

\displaystyle n^3-\frac{1}{n^{2}}

Step-by-step explanation:

<u>Exponents Properties</u>

We need to recall the following properties of exponents:

(a^x)^y=(a^y)^x=a^{xy}

\displaystyle a^{-x}=\frac{1}{a^x}

We are given the expression:

2^m=n

We need to express the following expression in terms of n.

8^m-4^{-m}

It's necessary to modify the expression to use the given equivalence.

Recall 8=2^3 \text{ and }4 = 2^2. Thus:

(2^3)^m-(2^2)^{-m}

Applying the property:

(2^m)^3-(2^m)^{-2}

Substituting the given expression:

n^3-n^{-2}

Or, equivalently:

\mathbf{\displaystyle 8^m-4^{-m}= n^3-\frac{1}{n^{2}}}

5 0
3 years ago
HELP WHAT IS THE SLOPE!!!!!!
fiasKO [112]

Answer:

1.5 is the slope of the graph.

Step-by-step explanation:

slope of the graph :-

=》

\frac{y2 - y1}{x2 - x1}

=》

\frac{50 - 20}{20 - 0}

( by taking coordinates, (20,50) and (0,20) )

=》

\frac{30}{20}

=》

\frac{3}{2}

=》

1.5

3 0
3 years ago
A/3=7 can simeone help me out with this
Nana76 [90]
Right now you have a/3 = 7. You cannot know what a is yet because it is being divided by 3.

You just need to figure out a way of getting rid of that 3 so you just have a by itself. The way you can get rid of the 3 is by multiplying a/3 by 3, as that will just leave you with a (multiplying is the opposite of dividing so it cancels out).

However, as you’re multiplying a/3 by 3, you also have to multiply 7 by 3 (which is 21) as you have to do the multiplication on both sides of the equation.

Therefore, you’re left with a = 21
6 0
3 years ago
I´m gonna fail <br> Help<br> PLease and thank you
valina [46]

Answer:

Step-by-step explanation:

-8y-4x^3-1

5 0
2 years ago
Read 2 more answers
5. Lila flies a drone in the direction of 90 degrees towards Avery. Once she gets to Avery she changes course and flies in the d
disa [49]

Answer:

Mark and Lila are 29.83 meters apart.

Step-by-step explanation:

If we draw a triangle with the information given (see image attached), we have that the angle Lila-Avery-Mark is equal to 70°. Then, to find the distance between Mark and Lila, we just need to use the law of cosines, using the two sides given and the angle between them:

c^2 = a^2 + b^2 - 2*a*b*cos(C)

c^2 = 30^2 + 20^2 - 2*30*20*cos(70)

c^2 = 900 + 400 - 1200*0.342

c^2 = 889.6

c = 29.83 m

Mark and Lila are 29.83 meters apart.

4 0
3 years ago
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