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3 years ago

15

Help Me Please.............................(7)

1 answer:

Veronika [31]3 years ago

6 0

Answer:

Step-by-step explanation:

The first step contains the error.

2x - 10 = 22 Add 10 to both sides

+ 10 +10

2x = 32 Divide by 10

2x/2 = 32/2

x = 16

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Solve the following system of equations and show all work. y = −x2 + 4 y = 2x + 1

Aneli [31]

Answer:

x=3/4,y=5/2

Step-by-step explanation:

y=-x^2+4,y=2x+1

substitute y=-x^2+4 as y for y=2x+1

2x+1=-x^2+4, x=3/4(isolate "x")

x=3/4

substitute x=3/4 for 2x+1=-x^2+4

y=2*3/4+1

y=5/2

x=3/4, y=5/2

hope this helps!

6 0

2 years ago

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Perform the following divisions. be sure all answers are reduced to lowest terms. 7/12 ÷ 3/4 =

Free_Kalibri [48]

7/12 / 3/4

You can write it as

7/12 * 4/3

=28/36 = 14/18 = 7/9

So, 7/9 is your answer

7 0

3 years ago

In the figure to the right, what is the measure of angle DAC ?

dem82 [27]

Answer:

47 degrees

Step-by-step explanation:

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7 0

2 years ago

8x-1<15<br> NO one will help plss someone hellpppp

romanna [79]

Answer:

x < 2

Step-by-step explanation:

8x -1 < 15

8x -1 (+ 1) < 15 (+ 1)

8x < 16

$\frac{8x}{8} < \frac{16}{8}$

x < 2

7 0

3 years ago

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Write a quadratic equation with the solutions 3 and 2

jolli1 [7]

We can re-create the quadratic equation by
(x -3) * (x -2)
x^2 -5x + 6 = 0

8 0

3 years ago