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Airida [17]
3 years ago
7

The scale of a map says that 2 in represents 10 miles. What distance on th map (in centimeters) represents an actual distance of

40 miles???
Mathematics
1 answer:
NNADVOKAT [17]3 years ago
8 0

Answer:

8 inches

Step-by-step explanation:

Step 1:

2 : 10 miles     Ratio Inches to Miles

Step 2:

2 : 10 = x : 40     Equation

Step 3:

10x = 80    Multiply

Step 4:

80 ÷ 10   Divide

Answer:

x = 8

Hope This Helps :)

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Can two numbers have a GCF that is bigger than their LCM? Explain how you know?
DiKsa [7]
The answer to this question would be: No, they can't

Greatest common factor biggest possible value is the number value itself. There is no factor that bigger than the number.

But the least common multiple smallest possible value is the number. There is no multiple that smaller than the number.

So it is not possible to have GCF bigger than LCM.

7 0
3 years ago
Elizabeth has 5/6kg of beads. IF she shares the beads between 4 friends, how much kg does each friend receive.
Mekhanik [1.2K]

Answer:

5/24 kg

Step-by-step explanation:

5/6 ÷ 4/1 (keep-change-flip)

5/6 x 1/4 = 5/24

4 0
3 years ago
Lana finished the race in 13.2 seconds . If 84 other girls ran in the event, approximately how many runners did she beat?
BabaBlast [244]

Complete question :

The 100m dah times in the girl's track meet were normally distributed with a mean of 13 seconds and a standard deviation of 0.3 seconds.

Lana finished the race in 13.2 seconds . If 84 other girls ran in the event, approximately how many runners did she beat?

Answer:

21 runners

Step-by-step explanation:

Mean, μ = 13 seconds

Standard deviation, σ = 0.3

Lana's race time = 13.2

We find the proportion of runners who had race time above 13.2 ;

Proportion of who had race tune above 13.2

P(x > 13.2)

Obtain the Zscore

Zscore = (x - μ) / σ

Z = (13.2 - 13) / 0.3

Zscore = 0.2 / 0.3 = 0.6667

P(Z > 0.6667) = 0.25239 (Z probability calculator)

This is about 0.25239 * 100 = 25.24% = 25% (nearest percent)

Hence, Number of runners Lana beat = 25% of total runners ;

0.25 * 84 = 21

Hence, Lana beat about 21 runners

6 0
3 years ago
The perimeter of a rectangle swimming pool is a 114 ft. The width is 7ft more than the lenth. Find lenght and width
Margaret [11]

Answer:

Length- 14 Width- 100

Step-by-step explanation:

First: 7x2=14

Then: 114-14=100

Hope this helps

-Mercury

7 0
3 years ago
Read 2 more answers
Is 2/1 x 1/2 greater than 1/2
Mariulka [41]
Yes it is greater than 1/2
6 0
3 years ago
Read 2 more answers
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