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Sedbober [7]
3 years ago
7

Which operation will solve the equation?

Mathematics
2 answers:
denis23 [38]3 years ago
7 0
Subtract 9 from each side.
Dennis_Churaev [7]3 years ago
6 0
<span>Subtract 9 from each side.
</span>
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I have a water tank that holds 5 gallons of water I drink 4 pints of water a day how many full tanks of water I will be drinking
julsineya [31]


                             gfdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

4 0
3 years ago
15 trading cards he wants to give to 5 friends. Each friend gets same number of trading cards
earnstyle [38]

Answer:

Each friend gets 3 cards

Step-by-step explanation:

Divide 15 by 5 since he is splitting 15 cards with 5 friends.

:D

6 0
3 years ago
If H= 2f over m+1, solve the equation for f
Viefleur [7K]
H = 2f / (m+1)
[multiply by (m+1)]
h(m+1) = 2f
[divide by 2]
f = (h (m + 1)) / 2

3b / (b+2) = 12 / (b+2)
[multiply by (b+2)]
3b = 12
[divide by 3]
b = 4

3 / (6x + 1) / 2 = 8 / (x + 4) / 3
[multiply both denominators to mike one denominator]
3 / 8(6x+1) = 8 / 3(x+4)
[expand brackets]
3 / (48x + 8) = 8 / (3x + 12)
[multiply by (48x + 8)]
3 = 8(48x + 8) / (3x+12)
[multiply by (3x+12)]
3(3x +12) = 4(48x + 8)
[simplify]
9x + 36 = 192x + 32
173x = 4
x = 4 / 173
8 0
3 years ago
Find the equation of the tangent line and normal line to the curve y=(6+4x)2 at the point (6,900). Write the equations of the li
Ksenya-84 [330]

Answer:

Equation of the tangent to the curve

y = 240x - 215994

Equation of the normal

y = (-1/240)x + 9.75 = - 0.00417x + 9.75

Step-by-step explanation:

y = (6 + 4x)² = 36 + 48x + 16x² = 16x² + 48x + 36

dy/dx = 32x + 48

At the point (6,900),

dy/dx = 32(6) + 48 = 240

Equation of the tangent at point (a,b) is

(y - b) = m(x - a)

a = 6, b = 900, m = 240

y - 6 = 240(x - 900)

In the y = mx + b form,

y - 6 = 240x - 216000

y = 240x - 215994

The slope of the normal line = -(1/slope of the tangent line) (since they're both perpenducular to each other)

Slope of the normal line = -1/240

Equation of normal

y - 6 = (-1/240)(x - 900)

y - 6 = (-x/240) + 3.75

y = (-1/240)x + 9.75

y = - 0.00417x + 9.75

8 0
3 years ago
travel earns $25 a day working afther school at the supermarket. how much money will he earn in d days​
hichkok12 [17]

Answer:

Hi!

Your answer is:

25d

Since we aren't aware of how many days he is working, we substitute a variable (d) in for it!

I hope this helps!

4 0
4 years ago
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