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ella [17]
3 years ago
7

Solve:

Mathematics
2 answers:
alekssr [168]3 years ago
8 0

Answer:

Length = 30, width = 20

Step-by-step explanation:

perimeter = 100

length = 10 more than the width

width = ?

100/4 = 25

25 + 25 = 50

50 - 10 = 40/2 = 20

20 +10 = 30 cm

Elena-2011 [213]3 years ago
5 0

Answer:

Length: 30cm, Width: 20cm

Step-by-step explanation:

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A student researcher works at ski resort. For a student project, they would like to know whether the proportion of skiers on a p
Alex73 [517]

Answer:

One sample test of proportions

Step-by-step explanation:

Which test is most appropriate to test whether the proportion of skiers is not 0.50?

Since the test says to test whether the proportion of skiers is not 0.50, then here we will be studying just only the promotion of skiers without the comparison with snowboarders.

We have been given an hypothesized promotion and the test says to test against this proportion, so the appropriate test to use here is the one sample test of proportions

5 0
3 years ago
.............HELP..............
andriy [413]
1: none
2: infinite
3: one
4: none
5: one

3 0
4 years ago
On each request the ith of n possible books is the one chosen with probability pi. To make it quicker to find the book the next
harina [27]

Answer:

attached below

Step-by-step explanation:

loops have permutations , steps to  show that the given set of permutations is a stationary distribution is attached below

7 0
3 years ago
What is the ratio of the area of the inner square to the area of the outer square?
mars1129 [50]
The answer is
<span>(a−b)²+b²/a²


proof

if A is the area of the
</span><span>inner</span> squared, so A= c², and c²= (a−b)²+b²

so the side of the outer must be a-b +b=a, its area is a²

7 0
3 years ago
Read 2 more answers
Johan found that the equation –2|8 – x| – 6 = –12 had two possible solutions: x = 5 and x = –11. Which explains whether his solu
lutik1710 [3]

Answer:

we have two solution x = 5 and x = 11

but in given problem x = 5 and x = –11

thus, only one of his solution x = 5 is correct

Step-by-step explanation:

Given

–2|8 – x| – 6 = –12

adding 6 both sides

–2|8 – x| – 6 +6= –12 +6

–2|8 – x|  = –6

dividing both side by -2

–2|8 – x| /-2 = –6/-2

=>|8 – x|  = 3

we know that

in modulus function |Y| = -y or y

Thus

|8 – x|  = 3

can be written as

8-x = 3   or          8- x = -3

8-x-3 = 0  or      8-x+3 = 0

5-x = 0     or      11 -x = 0

x = 5       or x = 11

thus, we have two solution x = 5 and x = 11

but in given problem x = 5 and x = –11

thus, only one of his solution x = 5 is correct

8 0
3 years ago
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