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Reil [10]
3 years ago
6

The question is how far is Port A from Port by the shortest route?

Mathematics
1 answer:
labwork [276]3 years ago
5 0

Use the distance formula: d² = (x₂ - x₁)² + (y₂ - y₁)²

d² = 50² + 80²

   = 2500 + 6400

   = 8900

d = √8900

 = 94.3

Answer: 94.3 km

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Plz this for ten points
lesya692 [45]

Answer:

Bran to blueberry ---- 4:1

banana nut to bran ---- 1 to 2

total to corn ---- 12 muffins to 5 muffins

bran to total ---- 1/3

Step-by-step explanation:

4 0
3 years ago
A typist can type 4800 words per hour. How many words can she type in 1 minute?
Colt1911 [192]

Answer: 80

1 hour= 60mins

So to know how many words can she type in 1 min, we do the math "4800 : 60"

5 0
3 years ago
An executive in the home construction industry is interested in how house size (House) is influenced by family income (Income),
Harman [31]

Answer:

Check the explanation

Step-by-step explanation:

(a)

P-value of income and size is 0.0003 and 0.0001 respectively. Both are less than 0.05 level of significance. So these are significant ot the model. Option D is correct.

(b)

The model is

House_size = -1.6335+0.4485*income + 4.2615*family_size -0.6517*school

Here we have income = 85600/1000 = 85.6

family_size = 6

school = 13

So the predicted house size is

House_size = -1.6335+0.4485*85.6 + 4.2615*6 -0.6517*13=53.855

the predicted house size (in hundreds of square feet) is 53.86. hence, option B is correct.

3)

Here we have income = 100000/1000 = 100

family_size = 10

school = 16

So the predicted house size is

House_size = -1.6335+0.4485*100 + 4.2615*10 -0.6517*16=75.40

Residual : observed value- predicted value = 70 - 75.40 = -5.40

Option C is correct.

7 0
3 years ago
How to compare 2 quantites so that the second quantity has a value of 1 without using a diagram
IrinaVladis [17]
I am not sure but i think you were to say this:(1st quality)x=(      )(2nd quality)
4 0
4 years ago
What is the largest perimeter possible for a rectangle with positive whole number dimensions and an area of 40 cm?
Vladimir79 [104]

Answer:

C, 82 cm

Step-by-step explanation:

If the area of a rectangle is it's length times it's width and for the problem, it's maximum area must be 40cm than 40x1 would offer the largest perimeter with the smallest area respectively totalling at 82 cm.

8 0
3 years ago
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