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zepelin [54]
3 years ago
8

This one too please help

Mathematics
1 answer:
Mama L [17]3 years ago
8 0

Answer:

1/7

Step-by-step explanation:

16+ 7+7+5 = 35

there are 5 bobcats

5/35 simplifies to 1/7

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The pier is 200 meters long. each board is 80 centimeters wide. how many boards are in the pier?
Artemon [7]
100 cm = 1 meter
80 cm = 0.8 meter
200 meters/.8 meters = number of boards
250
6 0
3 years ago
How do you explain how you convert a decimal?
Troyanec [42]
For example if we have 7/10 we have one 0 in the denominator so we move the decimal spot 1 to the left

So:
7.0 becomes 0.70 or .7

To make a decimal into a fraction:

0.32

Just add two zeros to the right and that means 2 0's will be added in the denominator
so:

0.32
32.0/100 or 32/100

Hope that helps :)
6 0
3 years ago
There are three apple orchards. Each orchard has a different number of trees and apples. Orchard Apple trees Total apples The #1
Elan Coil [88]

Answer:

(Choice A) A The 1 Seed

Step-by-step explanation:

The computation is shown below:

The highest rate of apple per tree is

For Seed

= 38,614 ÷ 84 = 460 approx

For Sweet and sour

= 75509 ÷ 178 = 424 approx

And, for apple valley

= 135220 ÷ 3212

= 433 approx

As it can be seen that the highest rate per of apple per tree is of seed i.e. 460 approx

hence, the correct option is choice A

3 0
3 years ago
Suppose that each observation in a random sample of 100 fatal bicycle accidents in 2015 was classified according to the day of t
liraira [26]

Answer:

The calculated χ² =  0.57   does not fall in the critical region χ² ≥  12.59  so we fail to reject the null hypothesis and conclude the proportion of fatal bicycle accidents in 2015 was the same for all days of the week.

Step-by-step explanation:

1) We set up our null and alternative hypothesis as

H0:  proportion of fatal bicycle accidents in 2015 was the same for all days of the week

against the claim

Ha:  proportion of fatal bicycle accidents in 2015 was not the same for all days of the week

2) the significance level alpha is set at 0.05

3) the test statistic under H0 is

χ²= ∑ (ni - npi)²/ npi

which has an approximate chi square distribution with ( n-1)=7-1=  6 d.f

4) The critical region is χ² ≥ χ² (0.05)6 = 12.59

5) Calculations:

χ²= ∑ (16- 14.28)²/14.28 + (12- 14.28)²/14.28 + (12- 14.28)²/14.28 + (13- 14.28)²/14.28 + (14- 14.28)²/14.28 + (15- 14.28)²/14.28 + (18- 14.28)²/14.28

χ²= 1/14.28 [ 2.938+ 5.1984 +5.1984+1.6384+0.0784 +1.6384+13.84]

χ²= 1/14.28[8.1364]

χ²= 0.569= 0.57

6) Conclusion:

The calculated χ² =  0.57   does not fall in the critical region χ² ≥  12.59  so we fail to reject the null hypothesis and conclude the proportion of fatal bicycle accidents in 2015 was the same for all days of the week.

b.<u> It is r</u>easonable to conclude that the proportion of fatal bicycle accidents in 2015 was the same for all days of the week

6 0
3 years ago
Make x the subject of:<br> 2x + a = b (x - 2)
nlexa [21]

Answer:

no solution

Step-by-step explanation:

7 0
3 years ago
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