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2 years ago

Jan is looking at a map

Mathematics

1 answer:

Vinvika [58]2 years ago

7 0

Answer: 137.5 miles

Step-by-step explanation:

From the question, we are told that a map was created using the scale 1 inch:

25 miles. We are told to find the length in miles if the river is 5.5inches long on the map.

Since we have been given on the question that 1 inch:25 miles, to get 5.5 inches in miles, we need to multiply 5.5 by 25miles. This will be:

= 5.5 × 25 miles

= 137.5 miles.

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3 years ago

Solve each problem using a formula for perimeter or area ill give brainliest!!!!!

Karolina [17]

Answer:

12) s= $\frac{p}{5}$

13) A=wh

14) p=a+b+c

15) A= $\frac{bh}{2}$

16) p-b-c=a

Step-by-step explanation:

12) $\frac{p}{5} =\frac{5s}{5}$

13) $\frac{A}{h}$ =W (multiply both sides by h)

14) take c to the other side of the equation( other side of the equal sign) it becomes a positive value

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3 years ago

Read 2 more answers

After a bride has interviewed 7 DJs to play at her wedding, her fiance tells her she needs to narrow it down to 4 DJs. In how ma

Alex17521 [72]

Answer:

840

Step-by-step explanation:

Given

$DJs = 7$

$To\ pick = 4$

Required

Determine the number of rankings

The term "ranking" as used in this question implies permutation and the required is calculated using:

$^nP_r = \frac{n!}{(n-r)!}$

Where

$n = 7$

$r = 4$

So:

$^nP_r = \frac{n!}{(n-r)!}$

$^7P_4 = \frac{7!}{(7-4)!}$

$^7P_4 = \frac{7!}{3!}$

$^7P_4 = \frac{7 * 6 * 5 * 4 * 3!}{3!}$

$^7P_4 = 7 * 6 * 5 * 4$

$^7P_4 = 840$

Hence, number of ranking is 840

7 0

3 years ago

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hodyreva [135]

Answer:

7 19/42

Step 1:

Convert the mixed fractions into improper fraction (Denominator will be same)

2x7+2= 16/7

5x6+1=31/6

Step 2:

LCM of 6 and 7 are 42

Step 3:

217+96/42= 313/42

Step 4:

Covert to mixed fraction so the answer is 7 19/42

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2 years ago

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A data set is normally disturbed. As data points are removed from both ends of the range, what happens to the display of data?

sergij07 [2.7K]

Answer: The display becomes skewed left.

Step-by-step explanation:

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3 years ago