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puteri [66]
3 years ago
8

What is the first step needed to solve 2 over 5 multiplied by x minus 6 equals negative 16 ? (1 point) Subtract 16 from both sid

es Add 6 to both sides Divide both sides by 5 Multiply both sides by 2
Mathematics
2 answers:
AfilCa [17]3 years ago
8 0

Answer:

The first step is Add 6 to both sides

Step-by-step explanation:

we have

\frac{2}{5}x-6=-16

Solve for x

That means ----> isolate the variable x

step 1

Adds 6 both sides

\frac{2}{5}x-6+6=-16+6

\frac{2}{5}x=-10

step 2

Multiply by 5/2 both sides

\frac{2}{5}x(\frac{5}{2})=-10(\frac{5}{2})

x=-25

therefore

The first step is Add 6 to both sides

defon3 years ago
3 0

I believe the answer for the first step would be add 6 to both sides

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ArbitrLikvidat [17]
<h3>How to graph sin100=n/1200</h3>

\frac{n}{1200}  = sin(100)

\frac{n}{1200}  = sin(100)

1200 \times  \frac{n}{1200}  = 1200 \times sin(100)

n = 1200 \times sin(100)

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3 0
3 years ago
If Sin 3x= Cos (x-60), find the value of x​
Kamila [148]

Answer:

x = 15

Step-by-step explanation:

Assuming 3x and x-60 are in degrees, you can use:

cos(a) = sin(a+90)

To rewrite the equation as:

sin(3x) = sin(x-60+90)

sin(3x) = sin(x+30)

3x = x+30

2x = 30

x = 15

But, solving 3x = x+30 which simplifies to x=15 is not the only solution to this equation, as you can see in below picture. Finding all solutions is a bit more work, but maybe that is not required in your case.

4 0
3 years ago
Triangle XYZ is reflected across the y-axis, and X = (4, –5). What are the coordinates of X’ ?
Nina [5.8K]
The coordinates of X would be X'(-4, -5).

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3 0
3 years ago
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Can someone explain how to do this?
allsm [11]
Set it up as proportion.  Corresponding sides matter.  I am going to go from the one on the left to the one on the right.  \frac{16}{12}= \frac{x-1}{6}.  Cross multiply to get 96=12x-12.  108 = 12x and x = 9
7 0
3 years ago
What is a third-degree polynomial function P(x) with rational coefficients so that P(x) = 0 has roots −3 and i?
Mandarinka [93]

Answer:

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Step-by-step explanation:

What is a third-degree polynomial function P(x) with rational coefficients so that P(x) = 0 has roots −3 and i?

Given the toots of the polynomial to be -3 and i, the factors of the polynomial will be (x+3) and (x-i)

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P(x) = x²-xi+3x-3i

P(x) = x²-(i-3)x- 3i

Hence the required polynomial is

x²-(i-3)x- 3i

3 0
3 years ago
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