3 years ago

Calculate the distance between the points E=(2,-9) and J=(8,-1) in the coordinate plane

Mathematics

1 answer:

lesantik [10]3 years ago

3 0

Answer:

Step-by-step explanation:

The distance formula is long and complicated so I really don't feel like typing it up. The answer is 10 units.

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Consider a triangle A B C like the one below. Suppose that B = 57°, C= 65°, and a = 48. (The figure is not drawn to scale.) Solv

Komok [63]

Answer:

A = 58 degrees

b = 51.9

c = 48.5

Step-by-step explanation:

To find A we simply just need to remember that all triangles add up to 180 degrees and we are already given two angles of the triangle so....

$57 + 65=122$

$122+58=180$

$A=58$

To find sides b and c we use the law of sines since we now know the angle of each side.

$a=48$

$b=48\times\frac{sin65}{sin57} =51.87$

$51.87$

$7>5$

$51.9$

$b=51.9$

$c=48\times\frac{sin58}{sin57} =48.54$

$48.54$

$4$

$c=48.5$

Hope this helps.

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In a ΔPQR, ∠Q = 90 , PQ = 5 cm, QR = 12cm. If QS is the altitude then QS is equal to?

ryzh [129]

Answer:

QS EQUAL TO IS ?

Step-by-step explanation:

In a ΔPQR, ∠Q = 90 , PQ = 5 cm, QR = 12cm. If QS is the altitude then QS is equal to?

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My best guess is D.
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A scrap metal buyer pays $3.18 per square foot of steel.

trapecia [35]

Answer:

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