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RideAnS [48]
3 years ago
14

Help me please

Mathematics
1 answer:
Bess [88]3 years ago
3 0

Step-by-step explanation:

the median = 140

the interquartile range = 141-138 = 3

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Please help I do not understand
KiRa [710]

Answer:

h = v × 3/B

h = 18 \: cm

Step-by-step explanation:

v =  \frac{1}{3} Bh \\  \\ h = v \div  \frac{1}{3} B \\  \\ h = v \times  \frac{3}{B}  \\  \\ h = 216 \times  \frac{3}{36}  \\  \\ h = 18 \: cm

I hope I helped you^_^

6 0
3 years ago
A proofreader can read 40 pages in one hour. How many pages can this proofreader read in 90 minutes?
tangare [24]
40 pages = 60 minutes
20 pages = 30 minutes
60 pages = 90 minutes
3 0
3 years ago
Read 2 more answers
Josh's brother wants a new pair of shoes for his birthday, the shoes typically cost $79.99 but are on sale today for $49.99. Wha
nlexa [21]

Answer:

49.99 / 79.99 = 0.65

since 49.99 is 65% of 79.99, that means the shoes were marked down 35%

Step-by-step explanation:

8 0
3 years ago
Describe the transformation required to obtain the graph of the given function from the basic trigonometric graph.
Alik [6]

Answer:

Option d

Step-by-step explanation:

If the graph of the function y=cf(x) +b  represents the transformations made to the graph of y= f(x)  then, by definition:

If  0 then the graph is compressed vertically by a factor c.

If  |c| > 1 then the graph is stretched vertically by a factor c.

If c  then the graph is reflected on the x axis.

If b> 0 the graph moves vertically upwards.

If b the graph moves vertically down

In this problem we have the function y=cscx -9 and our parent function is y = cscx

therefore it is true that c =1  and b =-9 < 0

Therefore the graph of y=cscx is not stretched vertically and is not reflected.  however as b then the graph moves vertically 9 units down. <u><em>Observe the image</em></u>

The answer is <em>"vertical translation down 9 units"</em>

6 0
3 years ago
Three ladders measure 5 3/4 meters, and 7 1/4 meters in length. What is the difference between the longest and shortest lengths?
Dovator [93]
7 1/4 - 5 3/4= 1 1/2 because you can either 1) change it into decimals: 7.25-5.75 and do simple subtraction or... 2) u can change the 7 to a 6 and add 4 to the numerator of 1/4 making the equation 6 5/4 - 5 3/4 = 1 2/4 which simplified to 1 1/2 I hope I didn’t confuse you! :))
3 0
3 years ago
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