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bulgar [2K]
3 years ago
5

3x + 6 = -9 What is X?

Mathematics
2 answers:
emmasim [6.3K]3 years ago
6 0

Answer:

=  − 5

Step-by-step explanation:

The steps are in the (2) pictures below. Hope this helps!

padilas [110]3 years ago
4 0

Answer:

x=-5

Step-by-step explanation:

3x+6=-9

   -6    -6

3x=-15

x=-5

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Solve for n.<br> 17.1 = 5.7 x n
cluponka [151]

Answer:

n = 3

Step-by-step explanation:

<u>Equation:  17.1 = 5.7 * n</u>

<em>Divide both sides by 5.7 to get n by itself.</em>

<u>Step 1:  Divide both sides by 5.7</u>

17.1 = 5.7 * n

17.1 <u>/ 5.7</u> = 5.7 * n <u>/ 5.7</u>

    divide            divide

<em>3 = n</em>

Answer:  n = 3

7 0
4 years ago
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What is the diameter of a human hair written in scientific notation?
PilotLPTM [1.2K]
I believe it is <span>2.5 x 10^-3 cm</span>
4 0
3 years ago
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Please can you help me?
Gennadij [26K]

Answer:

\large\boxed{C)\ \dfrac{3}{4}}

Step-by-step explanation:

\text{We know:}\ P(A')=1-P(A)\\\\\text{Therefore}\\\\P(A)-3\cdot P(A')=0\iff P(A)-3\cdot(1-P(A))=0\\\\\text{use the distributive property}\ a(b+c)=ab+ac\\\\P(A)+(-3)(1)+(-3)(-P(A))=0\\\\P(A)-3+3P(A)=0\qquad\text{add 3 from both sides}\\\\P(A)+3P(A)=3\\\\4P(A)=3\qquad\text{divide both sides by 4}\\\\P(A)=\dfrac{3}{4}

4 0
3 years ago
True or False ,. . The slope of a line will depend on which of the two points you choose to call (x1, y1) and which you choose t
Sophie [7]
False

lets say u have 2 sets of points (1,2) , (3,4)
now lets say (1,2) is (x1,y1) and (3,4) is (x2,y2)
slope = (y2 - y1) / (x2 - x1)
slope = (4-2) / (3-1) = 2/2 = 1

now, lets say (1,2) is (x2,y2) and (3,4) is (x1,y1)
slope = (y2 - y1) / (x2 - x1)
slope = (2 - 4) / (1 - 3) = -2/-2 = 1

in conclusion, the naming of the points will not effect the slope
6 0
3 years ago
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24=3/4R.<br> Please reply step by step!
beks73 [17]

Answer:

r = 32

Step-by-step explanation:

R is the variable that we are trying to find.

24 = 3/4r

Since r is being multiplied by 3/4, we need to divide 3/4 on both sides to "undo" the multiplication.

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Therefore, r = 32.

To check, we can plug 32 into the equation.

24 = 3/4 x 32

3/4 x 32 = 24

8 0
2 years ago
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