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3 years ago

Coffee cost 5$ per pound how much dose 7 pounds cost

Mathematics

2 answers:

LuckyWell [14K]3 years ago

4 0

7 pounds of coffee cost 35$

tangare [24]3 years ago

4 0

It would cost $35. At $5 dollars a lb, 7 lbs would cost 35 dollars

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Evaluate ∫ e3x cosh 2x dx A. 1/2e5x + 1/2ex + C B. 1/10e5x + 1/5 x + C C. 1/10e5x + 1/2ex + C D. 1/4e3x + 1/2 x + C

goldfiish [28.3K]

∫ e^(3x)*(cosh(2x)dx

= ∫ [e^(3x)*(e^(2x)+e^(-2x))/2]dx

= ∫ [(e^(5x)+e^x)/2]dx

=e^(5x)/10+e^x/2+C

=(1/10)(e^(5x)+5e^x)+C

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3 years ago

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3 years ago

Read 2 more answers

Solve the equation x over 3-5=y for x

notka56 [123]

Answer:

For x, the equation is $x=3(y+5)$

Step-by-step explanation:

Given: the equation x over 3-5=y

We have to solve for x,

Consider the given equation the equation x over 3-5=y

Here, over means divide, so,

Mathematically written as ,

$\frac{x}{3}-5=y$

Solving foor x,

adding 5 both sides, we have,

$\frac{x}{3}-5+5=y+5$

On solving, we have,

$\frac{x}{3}=y+5$

Now, multiply both side by 3, we have,

$3(\frac{x}{3})=3(y+5)$

On simplification, we have,

$x=3(y+5)$

Thus, for x, the equation is $x=3(y+5)$

4 0

3 years ago

Find the 10th partial sum of the summation of negative 5i plus 2, from i equals 1 to infinity.

VikaD [51]

Sum of {(-5i + 2) from i = 1 to 10} =

= - 5{ (Sum i) from 1 to 10} + (sum of 2) from 1 to 10

= - 5 {1 + 10)*10/2} + 2{10} =

= -5(11)(5) + 20 = -275 + 20 = - 255

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3 years ago

The vertex of the parabola is at (-4, -1) when the y-value is 0, the x-value is 2 what is the coefficient of the squared term in

vlabodo [156]

In vertex form the equation of the parabola is

y = a(x + 4)^2 - 1 where a is the coefficient of the squared term.
When x = 2 y = 0 so:-

0 = a(2 + 4)^2 - 1
0 = 36a - 1

a = 1/36 <----- Answer

5 0

3 years ago