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topjm
1 month ago
6

rectangle abcd is similar to rectangle pqrs. given ab=14 cm, BC=8cm and pq=21cm, calculate the length of QR

Mathematics
1 answer:
babunello [11.8K]1 month ago
6 0
QR is 12, as you establish a proportion: 21/14 = x/8, then cross-multiply to obtain 14x = 168, which you solve by dividing to find x = 12.
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Is the statement ""For every natural number n ≥ 1 there exists a directed graph of n vertices for which every vertex has an inde
Svet_ta [12734]

Answer:

The statement provided is incorrect.

Step-by-step explanation:

Reason

Let D be a directed graph with 'n' vertices and 'E' edges.

For instance, if 'n' equals 1, then D = (n,E).

In directed graphs, the in-degree refers to the count of incoming edges to a vertex, termed indegree.

This is denoted as deg⁺(n).

In a directed graph, it is known that

if deg⁻(n) = deg⁺(n) for each vertex n.

5 0
3 months ago
Work out ( 8x10 -3) x(2x10 -4) standard form
AnnZ [12381]

Response:  1232

Detailed breakdown:  ( 8x10 -3) x(2x10 -4)  

( 8x10 -3) = 77

(2x10 -4) = 16

77 x 16 = 1232

Final answer = 1232

4 0
2 months ago
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