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kkurt [141]
3 years ago
14

- 13" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Sav [38]3 years ago
5 0

You need to isolate x.


71 - 5x = 9x - 13

Add 13 to both sides.

84 - 5x = 9x

Add 5x to both sides.

84 = 14x

Divide both sides by 14.

6 = x


<h3>The answer is x = 6.</h3>
You might be interested in
Please help asap !!!!!!!!!
klasskru [66]

ANSWER

C. 210

EXPLANATION

The given binomial expression is

(x+y)^{10}

Comparing to the general binomial expression,

(a+b)^{n}

we have

n = 10

Since we want to find the coefficient of

{x}^{6}  {y}^{4}

r = 4

Using the binomial theorem, the coefficient is

nC_r = 10C_4 = 210

The correct choice is C.

3 0
2 years ago
Martin is buying inkjet cartridges that cost $22 each. He has $100 to pay for the cartridges.
Igoryamba
He can only buy 3 cartridges.
7 0
3 years ago
Read 2 more answers
A cylindrical metal container, open at the top. is to have a capacity of 24pi cu. in. The cost of material used for the bottom o
USPshnik [31]

Answer:

x  =  2,94  ft

h  = 0,88  ft

C(min)  =  12,23 $

Step-by-step explanation:

Let x be radius of the base and  h th hight of th cylinder  then

Area of the bottom    A₁   = π*x²

And cost of the bottom   C₁  = 0,15*π*x²

Lateral area A₂

A₂  =  2*π*x*h               but     V  =  24 ft³       V  = π*x²*h      h = V/ π*x²

A₂  =  2*π*x* (24/ π*x²)

A₂   =  48 /x

Cost of area A₂

C₂   =  0,05 * 48/x  

C₂   = 2,4/x

Total cost C                   C   =   C₁   +   C₂

C(x)  =  0,15*π*x²  +  24/x

Taking derivatives on both sides of the equation

C´(x)  =  0,3**π*x   -  24/x²

C´(x)  = 0               0,3**π*x   -  24/x²  =  0

0,942 x³   =  24

x³    =   25,5

x  =  2,94  ft     and    h  =  V/π*x²        h  =  24 /3,14* (2,94)²

h  = 0,88  ft

C(min)  =  0,15 * 3,14 * (2,94)²    +   24/2,94

C(min)  =  4,07   +  8,16

C(min)  =  12,23 $

8 0
3 years ago
What is 8,01.47 in word form?
gregori [183]
Eight hundred and one point forty seven. Hope this helps!;)
7 0
3 years ago
Read 2 more answers
please help me with this, I don’t just want an answer only, I’d love a clear explanation so I could understand I’ll give brainli
sertanlavr [38]
The area of a circle in this case is 3.14x r x r (r stands for the radius) right? So if we know what the radius is (1.2 cm) we can plug it in and have 3.14x1.2x1.2 which would be 4.5216 cm^2
6 0
3 years ago
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