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Alenkasestr [34]
4 years ago
13

Solve the equation for y y-5=3/4(x-12)

Mathematics
1 answer:
Musya8 [376]4 years ago
5 0

Answer:

y = 3/4x -4

Step-by-step explanation:

y-5=3/4(x-12)

Distribute

y-5 = 3/4x - 3/4*12

y -5 = 3/4x -9

Add 5 to each side

y-5+5 =3/4x -9+5

y = 3/4x -4

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Dla każdej z liczb 20, 60, 150, 300, znajdź liczbę : a) o 10% większa, b) o 20% mniejszą, c) o 50% mniejsza,
krek1111 [17]

Odpowiedź:

Prosimy sprawdzić wyjaśnienie

Wyjaśnienie krok po kroku:

Na numer: 20

a.) 10% więcej;

(1 + 10/100) * 20;

1,10 * 20 = 22

b.) 20% mniej

(1 - 20/100) * 20

0,8 * 20 = 16

c.) 50% mniej

(1 - 50/100) * 20

0,5 * 20 = 10

Dla numeru 60:

a.) 10% więcej;

(1 + 10/100) * 60;

1,10 * 60 = 66

b.) 20% mniej

(1 - 20/100) * 60

0,8 * 60 = 48

c.) 50% mniej

(1 - 50/100) * 60

0,5 * 60 = 30

Na numer 150;

a.) 10% więcej;

(1 + 10/100) * 150;

1,10 * 150 = 165

b.) 20% mniej

(1 - 20/100) * 150

0,8 * 150 = 120

c.) 50% mniej

(1 - 50/100) * 150

0,5 * 150 = 75

Dla numeru 300;

a.) 10% więcej;

(1 + 10/100) * 300;

1,10 * 300 = 33%

b.) 20% mniej

(1 - 20/100) * 300

0,8 * 300 = 240

c.) 50% mniej

(1 - 50/100) * 300

0,5 * 300 = 150

4 0
3 years ago
Find an equation in slope-intercept form of the line that has slope –2 and passes through point a (1,9)​
user100 [1]

Answer:

Step-by-step explanation:

y - 9 = -2(x - 1)

y - 9 = -2x + 2

y = -2x + 11

8 0
3 years ago
Read 2 more answers
Solve the following equation, answer as a reduced, mixed number. Then place the correct number in the box provided.
stira [4]

Answer:

The answer to your question is:   x = - 1 / 8

Step-by-step explanation:

                                           8( 1 - 5x ) = 13

                                            8 - 40x = 13

                                             - 40x = 13 - 8

                                             - 40x = 5

                                               x = - 5 / 40

                                               x = - 1 / 8

8 0
3 years ago
Simplify 5x^2+43x-18=0
GalinKa [24]

Answer:

-9, 2/5

Step-by-step explanation:

5x^2 +43x-18=0 \\ \\ (5x-2)(x+9)=0 \\ \\ x=-9, \frac{2}{5}

8 0
2 years ago
Answer help need answer now plz help
Musya8 [376]

Answer:

I think the answer is A

maybe it's right

5 0
3 years ago
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