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SVETLANKA909090 [29]
3 years ago
5

Solve for x. -2(-4x - 1) = x + 3 = -30​

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
4 0
Here is the equation if needed. the answer is x=-4.1429

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Need the help thanks guys
Diano4ka-milaya [45]

Answer:

x=−5+√29 or x=−5−√29

Step

Let's solve your equation step-by-step.

x2+10x+10=14

Step 1: Subtract 14 from both sides.

x2+10x+10−14=14−14

x2+10x−4=0

For this equation: a=1, b=10, c=-4

1x2+10x+−4=0

Step 2: Use quadratic formula with a=1, b=10, c=-4.

x=

−b±√b2−4ac

2a

x=

−(10)±√(10)2−4(1)(−4)

2(1)

x=

−10±√116

2

x=−5+√29 or x=−5−√29

7 0
3 years ago
For g(x)= (x+7)^2+6x determine the input for x when the output of g(x)=13
Anuta_ua [19.1K]

Answer:

x-2=°u&i

Step-by-step explanation:

because of the gravity of the earth

6 0
2 years ago
Read 2 more answers
I tried to complete this question on determining a trigonometry equation on a graph but I got the wrong answer. What did I do wr
MrMuchimi

Answer:

y=2\sin(x)-1

Step-by-step explanation:

Let's break it down:

In the sinusoidal function y=a\sin b(x-c)+d:

  • a represents Amplitude
  • b represents a constant related to the Period
  • c represents Phase Shift
  • d represents Vertical Shift

To find Amplitude, divide the entire height of the function (from top to bottom) by two, or find the vertical distance between the horizontal line of symmetry and the highest/lowest point of the wave. In this case, Amplitude is 2.

To find b, use T=\frac{2\pi}{b}, where T is the period of the function. To find the period, count the horizontal distance of the length of one complete cycle. In this case, period is 2\pi and therefore

2\pi=\frac{2\pi}{b},\\b=\frac{2\pi}{2\pi}=1.

To find Phase Shift, find the horizontal shift from the parent function y=\sin x. In this case, there is no phase shift.

To find Vertical Shift, find the vertical shift from the parent function y=\sin x. In this case, vertical shift is -1.

Thus, we've found:

  • a=2
  • b=1
  • c=0
  • d=-1

Substituting these values into y=a\sin b(x-c)+d , we get:

y=2\sin 1(x-0)-1=\boxed{y=2\sin(x)-1}

6 0
2 years ago
3+2x=-6x+4 solve for x​
ryzh [129]
Let's solve your equation step-by-step.
3
+
2
x
=
−
6
x
+
4
Step 1: Simplify both sides of the equation.
2
x
+
3
=
−
6
x
+
4
Step 2: Add 6x to both sides.
2
x
+
3
+
6
x
=
−
6
x
+
4
+
6
x
8
x
+
3
=
4
Step 3: Subtract 3 from both sides.
8
x
+
3
−
3
=
4
−
3
8
x
=
1
Step 4: Divide both sides by 8.
8
x
8
=
1
8
x
=
1
8
Answer:
x
=
1
8
6 0
3 years ago
Read 2 more answers
Simplify 7/the square root of 2 (as a fraction)
ioda

HERE IS YOUR ANSWER.......

7 0
3 years ago
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