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alexandr402 [8]
2 years ago
12

could someone just edit this and show me what u got by attaching a picture pls????? I NEED HELP IMMEDIATELY!!!! PLS HELPP. PLS D

O NOT GUESS EITHER BUT PLS CMON AND HELP ME PLSSS

Mathematics
2 answers:
Novay_Z [31]2 years ago
8 0

Answer: answers down below in the picture

lol i tried my best placing the dots and labeling .. sorry.. if you don't understand pls let me know

Download pdf
Molodets [167]2 years ago
7 0

Photo Attached :)

I hope I did it correctly, just a little tedious.

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Arya and Cody each manage a landscaping business.
Viktor [21]
And? Congrats? Please write the full question
3 0
2 years ago
Find the area of a triangle with a base of 18 feet and a height of 7 feet
amid [387]
.5*18*7=9*7=63 ft squared

4 0
3 years ago
Read 2 more answers
Step by step please help answer.
sweet-ann [11.9K]

Answer:

(2) 2,640 ft

Step-by-step explanation:

I'm going to assume that in this question, you are walking 1 full circle around the reservoir. That would mean you need to calculate the circumference of the circular reservoir.

The circumference formula is:

C = ⫪d

C stands for Circumference

d stands for diameter

I will use 22/7 instead of pi, so the formula looks more like this:

C = (22/7)(d)

The diameter is 840 feet, so we will substitute the variable d with 840:

C = (22/7)(840)

You can plug this part into the calculator, but by hand, it'll look something like this:

(22/7)*840 = (22*840)/7

18,480/7 = 2.640

Hope it helps (●'◡'●)

5 0
2 years ago
A researcher wants to see if birds that build larger nests lay larger eggs. He selects two random samples of nests: one of small
True [87]

Answer:

95% confidence interval for the difference between the average mass of eggs in small and large nest is between a lower limit of 0.81 and an upper limit of 2.39.

Step-by-step explanation:

Confidence interval is given by mean +/- margin of error (E)

Eggs from small nest

Sample size (n1) = 60

Mean = 37.2

Sample variance = 24.7

Eggs from large nest

Sample size (n2) = 159

Mean = 35.6

Sample variance = 39

Pooled variance = [(60-1)24.7 + (159-1)39] ÷ (60+159-2) = 7619.3 ÷ 217 = 35.11

Standard deviation = sqrt(pooled variance) = sqrt(35.11) = 5.93

Difference in mean = 37.2 - 35.6 = 1.6

Degree of freedom = n1+n2 - 2 = 60+159-2 = 217

Confidence level = 95%

Critical value (t) corresponding to 217 degrees of freedom and 95% confidence level is 1.97132

E = t×sd/√(n1+n2) = 1.97132×5.93/√219 = 0.79

Lower limit = mean - E = 1.6 - 0.79 = 0.81

Upper limit = mean + E = 1.6 + 0.79 = 2.39

95% confidence interval for the difference in average mass is (0.81, 2.39)

3 0
2 years ago
Find the indicated function values
kupik [55]

Answer:

f(-4) = 6

f(0) = -6

f(1) = -4

Step-by-step explanation:

6 0
3 years ago
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