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olga55 [171]
3 years ago
12

Marking brainliest Please help

Mathematics
1 answer:
faust18 [17]3 years ago
6 0

Answer:

sin = 2/3

cos = sqrt5/3

tan = 2/sqrt5

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PLS HELP i need this questions fast
lora16 [44]
D- this should be correct because it explains the possible way of them matching even though DEF is bigger
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2 years ago
A pair of perpendicular lines intersect at the point (5,9). Write
maw [93]

Answer:

The equation of the line that is perpendicular to the line that passes through the point (-4, 2) is y = -9·x/5 + 18

Step-by-step explanation:

The coordinates of the point of intersection of the two lines = (5, 9)

The coordinates of a point on one of the two lines, line 1 = (-4, 4)

The slope of a line perpendicular to another line with slope, m = -1/m

Therefore, we have;

The slope, m₁, of the line 1 with the known point = (9 - 4)/(5 - (-4)) = 5/9

Therefore, the slope, m₂, of the line 2 perpendicular to the line that passes through the point (-4, 4) = -9/5

The equation of the line 2 is given as follows;

y - 9 = -9/5×(x - 5)

y - 9 = -9·x/5 + 9

y =  -9·x/5 + 9 + 9

y = -9·x/5 + 18

Therefore, the equation of the line that is perpendicular to the line that passes through the point (-4, 2) is y = -9·x/5 + 18.

6 0
3 years ago
HELPPP Paul is making two ceramic plates in his pottery class. One plate has a 20-centimeter diameter and a 62.8-centimeter circ
nikitadnepr [17]

Answer:

It’s 2+2=x 3x3=18 that’s the answer

Step-by-step explanation:

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3 years ago
How many ounces are there in 13.5 pounds? Answer without units.
sertanlavr [38]

Answer:

216

Step-by-step explanation:

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3 years ago
What does not contain an irrational number?
Aleksandr-060686 [28]

Answer:

i think it's the first option.

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