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Tatiana [17]
3 years ago
12

HELP PLEASE BE QUICK

Mathematics
2 answers:
Sedaia [141]3 years ago
8 0

Answer:

the answer is 78.6

Step-by-step explanation:

l x w x h = volume

Svetradugi [14.3K]3 years ago
8 0

V≈66.51

you can use a calculator for this if you have too there is a calculator on google that allows you to find the volume of multiple shapes.

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What is the slope of a trend line that passes through the points (–3, 3) and (18, 26)?
Tasya [4]
Use can you slope formula: 

\frac{Y_2 - Y_1 }{X_2 - X_1} 

Then, substitute values into the formula.

\frac{26 - 3}{18 - (-3)}

Then solve. You get the fraction, \frac{23}{21}. That is your slope. 


4 0
3 years ago
Read 2 more answers
A clothing store is offering two coupons. one is for $50 off your purchase and the other is for 30% off your purchase. If the to
abruzzese [7]

Answer:

B.

Step-by-step explanation:

$195.42 - $50 = $145.42

$195.42/30% = 136.79

7 0
3 years ago
Given A (-10,-3.5) and B (2, 5.5), find the coordinates of point P on AB so that P partitions AB in the ratio 5:1.
Sunny_sXe [5.5K]

\textit{internal division of a line segment using ratios} \\\\\\ A(-10,-3.5)\qquad B(2,5.5)\qquad \qquad \stackrel{\textit{ratio from A to B}}{5:1} \\\\\\ \cfrac{A\underline{P}}{\underline{P} B} = \cfrac{5}{1}\implies \cfrac{A}{B} = \cfrac{5}{1}\implies 1A=5B\implies 1(-10,-3.5)=5(2,5.5)

(\stackrel{x}{-10}~~,~~ \stackrel{y}{-3.5})=(\stackrel{x}{10}~~,~~ \stackrel{y}{27.5})\implies P=\underset{\textit{sum of the ratios}}{\left( \cfrac{\stackrel{\textit{sum of x's}}{-10+10}}{5+1}~~,~~\cfrac{\stackrel{\textit{sum of y's}}{-3.5+27.5}}{5+1} \right)} \\\\\\ P=\left( \cfrac{0}{6}~~,~~\cfrac{24}{6} \right)\implies P=(0~~,~~4)

3 0
2 years ago
Simplify the expression below. (10x+1)3x+5(5x)
Katen [24]

Answer:

38x

Step-by-step explanation:

{(10x+1)3x}+5(5x)

10x+3x+25x=38x

5 0
3 years ago
Read 2 more answers
Suppose that f(1=9, f(4=?3, f?(1=9, f?(4=?5, and f?? is continuous. find the value of ?41xf??(xdx.
Over [174]
Some characters in your question are not displayed properly, so I'm guessing at what it says.

"Suppose that f(1)=9, f(4)=-3, f'(1)=9, f'(4)=-5, and f'' is continuous. Find the value of \displaystyle\int_1^4xf''(x)\,\mathrm dx."

(Correct me if I'm wrong!)

Integrate by parts, letting u=x and \mathrm dv=f''(x)\,\mathrm dx, so that \mathrm du=\mathrm dx and v=f'(x). Then you have

\displaystyle\int_1^4xf''(x)\,\mathrm dx=xf'(x)\bigg|_{x=1}^{x=4}-\int_1^4f'(x)\,\mathrm dx

Integrating once more gives

\displaystyle\int_1^4xf''(x)\,\mathrm dx=xf'(x)\bigg|_{x=1}^{x=4}-f(x)\bigg|_{x=1}^{x=4}
=(4f'(4)-1f'(1))-(f(4)-f(1))
=(-20-9)-(-3-9)=-17
8 0
3 years ago
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