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3 years ago

Evaluate the expression [(12x2.4) -(8.4*0.6)] +27-5.1

Mathematics

1 answer:

MariettaO [177]3 years ago

6 0

Answer:45.66

Step-by-step explanation: Simplify the expression.

Hope this helps you out! ☺

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Which of these inferences about the two debate teams are true? Check all that apply.

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Step-by-step explanation:

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If (3). write the following vectors in column vector form:

Art [367]

Answer:

see explanation

Step-by-step explanation:

Given

a = $\left[\begin{array}{ccc}3\\2\\\end{array}\right]$

To obtain -3a multiply each of the elements of a by -3

3a = $\left[\begin{array}{ccc}-3(3)\\-3(2)\\\end{array}\right]$ = $\left[\begin{array}{ccc}-9\\-6\\\end{array}\right]$

To obtain 1.5a multiply each element by 1.5

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3 years ago

Marge cut 16 pieces of tape for mounting pictures on posterboard each piece of tape is 3/8 inches long how much tape did Marge u

daser333 [38]

Answer:

6 inches of tape

Step-by-step explanation:

To find the total amount of tape that Marge used, you can take the measure of each piece ( $\frac{3}{8}$ ) and multiply by the total number of pieces cut (16):

$\frac{3}{8}*\frac{16}{1}=\frac{48}{8}=6inches$

So, Marge used 6 inches of tape altogether.

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3 years ago

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2 years ago

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If the perimeter of a rectangular picture frame must be less than 180 in, and the width is 26 in, what must the height h of the

valentinak56 [21]

You would form this inequality:

52 + 2x < (or equal to) 180

Then, solve as you would in an ordinary equation.

Subtract 52 from both sides of the sign. 180 - 52 = 128.

So, 2x is less than or equal to 128.
Divide 128 into two to get 64.

The height of the frame must be 64 inches.

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3 years ago