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3 years ago

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

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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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3 years ago

Help please!!!!!!!!!

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ANSWER

EXPLANATION

For a matrix A of order n×n, the cofactor $C_{ij}$ of element $a_{ij}$ is defined to be

$C_{ij} = (-1)^{i+j} M_{ij}$

$M_{ij}$ is the minor of element $a_{ij}$ equal to the determinant of the matrix we get by taking matrix A and deleting row i and column j.

Here, we have

$C_{11} = (-1)^{1+1} M_{11} = M_{11}$

M₁₁ is the determinant of the matrix that is matrix A with row 1 and column 1 removed. The bold entries are the row and the column we delete.

$\begin{aligned} A=\begin{bmatrix} \bf 1 & \bf -6 & \bf -4\\ \bf 7 & 0 & -3 \\ \bf -9 & 8 & -8 \end{bmatrix} \implies M_{11} &= \text{det}\left(\begin{bmatrix} 0&-3 \\ 8&-8 \end{bmatrix} \right) \end{aligned}$

Since the determinant of a 2×2 matrix is

$\det\left( \begin{bmatrix} a & b \\ c& d \end{bmatrix} \right) = ad-bc$

it follows that

so $C_{11} = M_{11} = 24$

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3 years ago

3. Dan's credit card was lost on a vacation. He immediately reported it missing. The person who found it days later used it, and

Olenka [21]

The question is an illustration of the Truth in Lending Act, and Dan is responsible for paying $0

<h3>Truth in Lending Act</h3>

The Truth in Lending Act is simply an act that protects people from unfair charges on their credit cards, especially in case of theft and card misplacement.

<h3>The scenarios</h3>

From the question, we have the following scenarios

His card got lost
He reported
Someone else saw the card and purchased goods worth over $200

Because Dan reported when his card got lost, he is protected by the Truth in Lending Act (TILA).

Hence, Dan is responsible for paying $0

Read more about the Truth in Lending Act at

brainly.com/question/1979208

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2 years ago

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iren2701 [21]

Answer: 29 feet.

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In order to solve for d you need to divide both sides for 3.14:

D = 28.98, rounded to the nearest foot is 29 feet.

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2 years ago

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

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