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DENIUS [597]
3 years ago
11

WHAT IS ITTTT 3d + 9 = 27

Mathematics
2 answers:
Dominik [7]3 years ago
8 0

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{d = 6}}}}}

Step-by-step explanation:

\sf{3d + 9 = 27}

Move 9 to right hand side and change its sign

\dashrightarrow{ \sf{3d = 27 - 9}}

Subtract 9 from 27

\dashrightarrow{ \sf{3d = 18}}

Divide both sides by 3

\dashrightarrow{ \sf{ \frac{3d}{3}  =  \frac{18}{3}}}

Calculate

\dashrightarrow{ \sf{d = 6}}

Hope I helped!

Best regards! :D

Gala2k [10]3 years ago
3 0

Answer:

d = 6

Step-by-step explanation:

3d + 9 = 27

Subtract 9 from each side

3d + 9-9 = 27-9

3d = 18

Divide each side by 3

3d/3 = 18/3

d = 6

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What is an equation in slope-intercept form of the line that passes through the points (−2, −2) and (1, 7)? A.y = 4x + 3 B.y − 7
antoniya [11.8K]

Answer:

C.y = 3x + 4

Step-by-step explanation:

We have two points, so we can find the slope

m = (y2-y1)/ (x2-x1)

   = (7--2)/ (1--2)

   = (7+2)/(1+2)

    = 9/3

    =3

The slope is 3

We can find the point slope form of the line

y-y1 = m(x-x1)

y-7 = 3(x-1)

Distribute

y-7 =3x-3

Add 7 to each side

y-7+7 = 3x-3+7

y = 3x+4

This is in slope intercept form (y=mx+b)

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3 years ago
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Answer:

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6 0
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The coordinates of the vertices of △PQR are P (0, 1), Q (0, 0),
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Step-by-step explanation:

step 1. P(0, 1) -> P'(0, -1)

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step 3. R(-2, 0) -> R'(2, 0)

4 0
3 years ago
1) If the designer measures the pond and determines that the length of the pond across is 400
ozzi

Answer: 200

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3 0
3 years ago
How to do question 4?
Nutka1998 [239]
Marie states that any integer greater than 4 will always get an even number of factors.

This can be proven wrong by (for example) 12.

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I hope this helps!
6 0
3 years ago
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