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Delvig [45]
3 years ago
8

What is the missing number?

Mathematics
2 answers:
Jet001 [13]3 years ago
8 0

I haven’t learned this yet
Annette [7]3 years ago
6 0

Answer:

Missing number is 8

Step-by-step explanation:

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6+(9-1)^2/4 = 22
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How do you write 1 over 100 as a power of 10 with a negative exponent?
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The lengths of salamanders have a normal distribution with mean 15cm, and standard deviation 2cm. What length of salamander woul
Law Incorporation [45]

Answer:

16.68 cm

Step-by-step explanation:

Given that :

Mean , m = 15

Standard deviation, s = 2

Length of salamander that would Place it at 80% of salamander length :

P(Z ≤ x) = 0.8

Zscore equivalent to 0.8 = 0.842

Using the relation :

Zscore = (x - m) /s

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1.684 = x - 15

Add 15 to both sides

1.684 + 15 = x - 15 + 15

16.684 = x

Hence, x = 16.68 cm

4 0
3 years ago
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Alborosie
Variable: a symbol for a number you don’t know yet
inequality: 60=22+8x
4 0
3 years ago
The scale of a map is 6 km = 4 mi. What is the length on the map if the actual is 40.1<br> miles.
beks73 [17]

Answer:

60.15 km

Step-by-step explanation:

If 6 km on the map represents 4 mi on land, then we'd get the answer by using the relation

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Where x km is the length on the map we're looking for. If we cross multiply

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240.6 = 4x

x = 240.6/4

x = 60.15 km.

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8 0
3 years ago
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