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Travka [436]
3 years ago
9

Give the proportion a/b = c/d Solve for c

Mathematics
1 answer:
dybincka [34]3 years ago
5 0

Answer:

the answer is c = (ad)/b

Step-by-step explanation:

See the picture

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Y=3x+4 , 9x-3y=-6 do the lines intersect or are they parallel or are they perpendicular
Angelina_Jolie [31]

Answer:

Lines are parallel.

Step-by-step explanation:

The given lines are y=3x+4,\ 9x-3y=6

Rearrange the equation in the slope intercept form that is y=mx+b where m is the slope.

<em>First Line:</em>

y=3x+4

compare it with y=mx+b

slope (m_{1}) of first line =3

<em>Second Line:</em>

9x-3y=6\\9x-6=3y\\3y=9x-6

divide both by 3

y=3x-3

compare it with y=mx+b

slope (m_{2}) of second line =3

Since slope of two lines are equal

m_{1}=m_{2}=3

hence these lines are parallel.

7 0
3 years ago
Given the function f(x) =2(x+6)-4for what values of x is f(x)=6
olchik [2.2K]
F(x) is another way to say “y” so you could also write, y=2(x+6)-4, and it’s asking what does x equal if y is 6, so you substitute 6 for y.
6=2(x+6)-4
6=2x+12-4
6=2x+8
-2=2x
-1=x
6 0
3 years ago
Element X is a radioactive isotope such that every 61 years, its mass decreases by half. Given that the initial mass of a sample
Sever21 [200]

Answer:

27.3

Step-by-step explanation:

y=a(1/2)^t/h

Plug in

22=30(1/2)^t/61

Divide both sides by 30

0.7333333333=(1/2)^t/61

Log both

Log(0.7333333333) / Log(1/2)

0.447458977 = t/61

0.447458977 x 61 = t

27.2949976 to the nearest tenth is 27.3 = t

7 0
3 years ago
A babysitting job pays $4 per hour.
Anika [276]

Answer:

1

2

$8

3

$12

4

$16

Step-by-step explanation:

4 0
3 years ago
Help! Plz!
vovangra [49]

9514 1404 393

Answer:

  • a = m
  • b = n

Step-by-step explanation:

The axes of symmetry are shown and labeled m and n. Reflection across either (or both) axis of symmetry will map the figure to itself. Apparently, you want to designate those reflections as ...

  Ra . . . where a = m

  Rb . . . where b = n

6 0
3 years ago
Read 2 more answers
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