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3 years ago

Use the Distributive Property to simplify the expression: 2(4a+6b)

Mathematics

1 answer:

Anarel [89]3 years ago

4 0

8a+12b because you multiply 2 by each number. For example 4a times 2 is 8a and 6b times 2 is 12b

Hope that helped :)

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Determine the written description of the complement of the given event. when 1515 televisions televisions are shipped shipped,

Luda [366]

The complement of at least one television being defective of 15 shipped televisions is that none of the television is defective.

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3 years ago

Marco bicycles 20 miles in 2 1/2 hours. What is the average rate in miles per hour?

olga nikolaevna [1]

Answer:

The average rate in miles per hour is 8 miles per hour

Step-by-step explanation:

In this question, we are concerned with finding what Marco’s average rate is, if he cycles 20 miles in 2 1/2 hours

For calculation simplification, we should know that 2 1/2 hours is same as 2.5 hours

Now mathematically, the average speed = Distance/Time

Thus, our disgrace here is 20 miles and our time taken to cover this distance is 2.5 hours

Thus, the average speed = 20/2.5 = 8 miles/hour

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3 years ago

Jackie runs and dances for a total of 55 minutes every day. She dances for 25 minutes longer than she runs.

butalik [34]

Answer:

Jackie runs for $15$ minutes and dances for $40$ minutes.

Step-by-step explanation:

Let the time she dances be $x$ and the time she runs for be $y$ minutes respectively.

$x+y =55\\x =y+25$

Use the substitution method here ,

$y+25+y=55\\2y+25=55\\2y=55-25\\y=\frac{30}{2} \\y=15\\x=y+25\\x=15+25\\x=40$

Therefore Jackie runs for $15$ minutes and dances for $40$ minutes.

8 0

2 years ago

Ram, Shyam and Moha purchased biscuits of different brands P, Q and R. Ram purchased 10 packets of P, 7 of Q and 3 packets of R.

qwelly [4]

The amount of money spent by these persons individually will be $ 93, $116, and $ 99.

<h3>What is the matrix?</h3>

A matrix is a specific arrangement of items, particularly numbers. A matrix is a row-and-column mathematical structure. The a_{ij} element in a matrix, such as M, refers to the i-th row and j-th column element.

Ram, Shyam, and Mohan purchased biscuits from different brands P, Q, and R.

Ram purchased 10 packets of P, 7 packets of Q, and 3 packets of R.

Shyam purchased 4 packets of P, 8 packets of Q, and 10 packets of R.

Mohan purchased 4 packets of P, 7 packets of Q, and 8 packets of R.

If brand P costs € 4, Q costs € 5, and R costs € 6 each.

Then the amount of money spent by these persons individually will be

Then these are shown in the form of a matrix. Then we have

$\begin{bmatrix}10 & 7 & 3 \\4 & 8 & 10 \\4 & 7 & 8 \\\end{bmatrix} \begin{bmatrix}4 \\ 5 \\ 6 \\\end{bmatrix}$

Then the amount of money spent by these persons individually will be

$\begin{bmatrix}10 & 7 & 3 \\4 & 8 & 10 \\4 & 7 & 8 \\\end{bmatrix} \begin{bmatrix}4 \\ 5 \\ 6 \\\end{bmatrix} = \begin{bmatrix} 93\\ 116 \\99 \end{bmatrix}$

More about the matrix link is given below.

brainly.com/question/9967572

#SPJ1

5 0

2 years ago

Please help picture shown

Gennadij [26K]

W axis is the left right axis
assemtote means that the graph approaches that line
horizontal means left to right

answer is C

3 0

3 years ago