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Alenkinab [10]
3 years ago
9

Plz help me this question plz plz help plz help me all four of them plzzzz

Mathematics
1 answer:
garik1379 [7]3 years ago
5 0

Answer:

10) The equation of a line parallel to y=-3 passing through the coordinate (2,6) is y=6

11) The equation of a line perpendicular to y=-3 passing through the coordinate (2,6) is x=6

12) The equation of a line parallel to x=4 passing through the coordinate (-2,3) is x=-2

13) The equation of a line perpendicular to x=4 passing through the coordinate (-2,3) is y=3

Step-by-step explanation:

For any line parallel to X-axis the equation we have

y=a

where a is the y coordinate.

∴  The equation of a line parallel to y=-3 passing through the coordinate (2,6) is y=6

For any line parallel to Y-axis the equation we have

x=b

Where b is the x coordinate.

∴ The equation of a line parallel to x=4 passing through the coordinate (-2,3) is x=-2

For any line perpendicular to X-axis is parallel to Y axis therefore the equation we have

x=b

∴ The equation of a line perpendicular to y=-3 passing through the coordinate (2,6) is x=6

For any line perpendicular to Y-axis is parallel to X axis therefore the equation we have

y=a

∴  The equation of a line perpendicular to x=4 passing through the coordinate (-2,3) is y=3

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Naily [24]

We Answer:

84.134% of the scores

Step-by-step explanation:

-This questions needs as to determine the probability of scores less than 282 then find the expectation;

-Let X be the score of a random selection:

P(X

=84.134\%

The probability of scores below 282 is 0.84134 or 84.134%

Hence, 84.134% of the scores were below 282

8 0
3 years ago
there are 3 seniors for every 2 juniors in the concert choir. if there are 21 seniors in all, how many jurors are in the concert
Oxana [17]

The ratio ...

... seniors : juniors = 3 : 2

can be multiplied by 7 to get

... = 21 : 14

indicating there are 14 juniors for the 21 seniors in the choir.

3 0
3 years ago
Deb deposited $70 in a savings account earning 10% interest, compounded annually.
bija089 [108]

Answer:

Deb will have $93.17 in 3 years

Step-by-step explanation:

FV = P(1 + r)^n

FV = 70(1+0.1)^3

FV = 70(1.331)

FV = 93.17

7 0
2 years ago
The simplified form of an expression is 1 . Which expression was simplified?
Afina-wow [57]
2-1, 3-2, 4-3, 1*1, 1/7, any number of expressions fit the bill here.
3 0
3 years ago
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-8/5

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