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maks197457 [2]
3 years ago
9

Which ratio expresses the scale used to create this drawing? [ If you say something random or use a link I'll report you and the

points wont count. ]
The school has dimensions of 18 feet by 18 feet

Mathematics
1 answer:
gtnhenbr [62]3 years ago
8 0

Answer:

\frac{1}{3}=\frac{6}{18} or \frac{1square}{3feet}=\frac{6squares}{18feet}

Step-by-step explanation:

As mentioned at the top of the diagram, one square is equal to three feet (\frac{1}{3}). If the dimensions are 18x18, we can divide eighteen by three to get six. (We can also count the squares on the graph, but this wouldn't be very fun if the model were bigger and it'd take a long time.) So, this means six squares is equal to eighteen feet (\frac{6}{18}).

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Find the value of k for which the matrix A = [2 -5 9 -1 3 -5 7 1 k] has rank 2. k = _________.
chubhunter [2.5K]

Answer:

k = 13

Step-by-step explanation:

Matrix is;

A =

[2 -5 9]

[-1 3 -5]

[ 7 1 k ]

Number of unknowns is less than the rank of 2. Thus, the determinant has to be zero for us to find k.

Thus, we have;

2((3 × k) - (-5 × 1)) -(-5)((-1 × k) - (-5 × 7)) + 9((-1 × 1) - (7 × 3)) = 0

Simplifying further gives;

2(3k +5) + 5(-k + 35) + 9(-22) = 0

6k + 10 - 5k + 175 - 198 = 0

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5 0
3 years ago
If a=5 m and b=4 , Which of the following is closest to the area of the sign ? <br><br>​
insens350 [35]

Answer:

16.285

Step-by-step explanation:

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7 0
3 years ago
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Which of the following is the statement below describing? If a point is on the perpendicular bisector of a segment, then it is e
Bezzdna [24]

Answer:

(C) Perpendicular bisector theorem

Step-by-step explanation:

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(C) Perpendicular Bisector Theorem: The Perpendicular Bisector Theorem states that  If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.

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Since, the given statement is the statement of the Perpendicular bisector theorem, thus  option C is correct.

3 0
3 years ago
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bixtya [17]

Answer:

z=

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Step-by-step explanation:

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3 years ago
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Rama09 [41]

Answer:

False i just did it

Step-by-step explanation:

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