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mario62 [17]
3 years ago
10

FInd the equation of a perpendicular line to y=-2 that passes through the points (4,-2)

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
3 0

Answer:

x = 4

Step-by-step explanation:

y=-2 is a horizontal line so x must be a vertical line through (4,-2)

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numerele a, b si c sunt direct proportionale cu 2, 3 si 5. Daca media aritmetica a celor trei numere este egala cu 100, determin
Fynjy0 [20]

Answer:

a = 60

b = 90

c = 150

Step-by-step explanation:

Numerele a, b și c sunt direct proporționale cu 2, 3 și 5.

Unde k este constantă de proporționalitate

a ∝ 2

a = 2k

b ∝ 3

b = 3k

c ∝ 5

c = 5k

Dacă media aritmetică a celor trei numere este egală cu 100, determinați numerele a, b și c

= 2k + 3k + 5k / 3 = 100

= 10k / 3 = 100

Cross Multiply

= 10k = 3 × 100

= 10k = 300

Împărțiți ambele părți la 10

k = 300/10

k = 30

Pentru numărul a

a = 2k

a = 2 × 30

a = 60

Pentru numărul b

b = 3k

b = 3 × 30

b = 90

Pentru numărul c

c = 5k

c = 5 × 30

c = 150

Prin urmare, a = 60, b = 90, c = 150

3 0
3 years ago
Simplify the expression. If not possible, write simplified.<br> 3 - 2y +9
svlad2 [7]

Answer:

-2y + 12

Step-by-step explanation:

3 - 2y +9

Combine the constants

-2y +3+9

-2y + 12

6 0
2 years ago
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Solve for E. <br><br>h=E/mg​
nekit [7.7K]

Answer:

hmg = E

Step-by-step explanation:

Step 1: Write equation

h = E/mg

Step 2: Multiply both sides by mg

hmg = E

4 0
3 years ago
F Jay makes $15 an hour, how long will it take him to earn $90?
Allushta [10]
OK my friend if you times 15 by each of the amount of hours you will find out which one it is but in this case it will be 15 times 6 hours will equal out to be $90
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3 years ago
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78 divided by 2789 how would I do this in long division form
monitta
This photo will show you how to do it and the answer so your welcome

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3 years ago
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