3 years ago

What is the distance (in units) between points C and D? Round your answer to the nearest hundredth.

Mathematics

2 answers:

antiseptic1488 [7]3 years ago

7 0

The 100% answer is B.

Hoochie [10]3 years ago

3 0

12 i think because if you count the cubes you could get my answer

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frosja888 [35]

The answer is C if its not tell me but if so give me 5 stars and send me a friend request.

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3 years ago

Simplify an expression for the area of a rectangle with side lengths 12 and (5/6x+23).

lesantik [10]

Answer:

10x+23 (pretty sure) and the * means multiply

Step-by-step explanation:

$12*(5\6x+23)\\12*5/6x\\12/1*5/6x\\60/6x\\10x+23$

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3 years ago

Matrix A = [6 -12 4 8]. What is matrix X if 1/2x=A?

Step2247 [10]

Answer:

$X = \left[\begin{array}{cccc}12&-24&8&16\end{array}\right]$

Step-by-step explanation:

A matrix is given by

$A = \left[\begin{array}{cccc}6&-12&4&8\end{array}\right]$

Now, we have to find the matrix X if $\frac{1}{2} X = A$

⇒ X = 2A

Now, multiplication of a constant with a matrix means multiplication with that constant with all the terms of the matrix.

So, $X = \left[\begin{array}{cccc}6 \times 2&-12 \times 2&4 \times 2&8 \times 2\end{array}\right]$

⇒ $X = \left[\begin{array}{cccc}12&-24&8&16\end{array}\right]$ (Answer)

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The sum of two integers with different signs is 8. Give two possible integers that fit this description

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These are two problems that fit in that description 10+(-2) AND 15+(-7)

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Samantha and Luis are attempting to determine the average number of library books that seventh-grade students check out at one t

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Answer:

Step-by-step explanation:

Luis because the sample is taken from the population of all seventh graders.

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