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Travka [436]
3 years ago
13

What's the interquartilr range of 78,88,82,57,98,68,78?

Mathematics
1 answer:
vekshin13 years ago
8 0
Lower quartile (xL): 68
Upper quartile (xU): 88

Interquartile range (xU-xL): 20
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Simplify the following<br> (x^a)^a-2
ad-work [718]

Answer:

Step-by-step explanation:

5 0
2 years ago
Mason and Nora decided to swim across the river. Mason began swimming 1 minute earlier than Nora.
Mademuasel [1]
Mason:

time = t
V =  6 ft/s
Distance = v * t = 6t

Nora:

time = t - 60 [ I passed 1 minute to seconds]
V = 8 ft/s
Dsitance = v*t = 8 (t - 60)

Both distance are equal

6t = 8(t-60)
6t = 8t - 480
8t -6t = 480
2t = 480
t = 480/2
t = 240 s

Mason had been swimming for 240 seconds when both had swan the same distance.
5 0
4 years ago
NEED THESE ASAP
Aneli [31]

Answer:

3.)You can perform the same transformations on polynomial functions that you performed on quadratic and linear functions.

Number 1 & 2 is sortof answered in the pictures. Hope this helped. :\

Step-by-step explanation:

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7 0
4 years ago
An alloy is composed of nickel, zinc, and copper in a ration of 7:2:9. How many kilograms of each metal are needed to make 3.6kg
motikmotik
Well, the short answer is, we divide that 3.6 by (7+2+9) and then we give as many pieces at the ratio to each, so let's do so,

\bf \stackrel{nickel}{7}~~:~~\stackrel{zinc}{2}~~:~~\stackrel{copper}{9}&#10;\\\\\\&#10;\stackrel{nickel}{7\cdot \frac{3.6}{7+2+9}}~~:~~\stackrel{zinc}{2\cdot \frac{3.6}{7+2+9}}~~:~~\stackrel{copper}{9\cdot \frac{3.6}{7+2+9}}&#10;\\\\\\&#10;\stackrel{nickel}{7\cdot 0.2}~~:~~\stackrel{zinc}{2\cdot 0.2}~~:~~\stackrel{copper}{9\cdot 0.2}&#10;\\\\\\&#10;\stackrel{nickel}{1.4}~~:~~\stackrel{zinc}{0.4}~~:~~\stackrel{copper}{1.8}
6 0
3 years ago
Read 2 more answers
A window frame has a length of (5x+3) inches an a width of (x+6) inches. The area of the glass in the window is (4x^2+26x+15) sq
boyakko [2]

ANSWER

the area of the trim around the glass in the window is option ( D)

i.e (x²+7x+3)

REASON

As given in the question

A window frame has a length of (5x+3) inches an a width of (x+6) inches.

As the shape of the window in the form of rectangle.

Formula

Area of the rectangle = length × breadth

put the value in the above equation

we get

Area of window =  (5x+3)× ( x + 6)

                         =  5x² + 33x + 18 inches²

As given in the question

The area of the glass in the window is (4x²+26x+15) square inches.

Area trim around the glass in the window = area of the window - area of the glass.

put the value

we get

= (  5x² + 33x + 18 ) - ( 4x²+26x+15)

= 1x²+ 7x + 3  inches²

therefore the correct option is (D)

Hence proved







 


     

8 0
3 years ago
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