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Liono4ka [1.6K]
3 years ago
14

The lengths of three sides of a triangle are (x + 6) inches, (2x - 2) inches, and (2x+ 6) inches.

Mathematics
1 answer:
Kamila [148]3 years ago
5 0

Answer:

21 inches answer F

Step-by-step explanation:

x+6+2x-2+2x+6=85

5x+10=85

5x=75

x=15

shortest is x+6

15+6

21.

Hope this helps plz hit the crown :D

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Allen's hummingbird (Selasphorus sasin) has been studied by zoologist Bill Alther.† Suppose a small group of 10 Allen's hummingb
ruslelena [56]

Answer: provided in the explanation segment

Step-by-step explanation:

(a). from the question, we can see that since that б is known, we can use standard normal, z.

we are asked to find an 80% confidence interval for the average weights of Allen's hummingbirds in the study region. What is the margin of error?

⇒ 80% confidence interval for the average weight of Allen's hummingbirds is given thus;

x ± z * б / √m

which is

3.15 ± 1.28 * 0.32/√10

= 3.15 ± 0.1295 = 3.0205 or 3.2795

(b). normal distribution of weight (c) б is known

(c). option (a) and (e) are correct

(d).  from the question, let sample size be given as S

this gives';

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√S = (1.28 * 0.32) / 0.15 = 2.73

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cheers i hope this helps

6 0
3 years ago
If you borrowed $646 at an interest rate of 5% for 6 years, how much interest will you pay? Round to the nearest tenth if necess
Snezhnost [94]

Answer:

P=646

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Please help me with this question
kramer

Answer:

1. 1 1/2 feet

2. 0.46

3a. 0.62 I'm not sure if this one's correct, it's worded weird

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4 0
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Simplify the expression (2^-4)^-2
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256

Step-by-step explanation:

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1 year ago
Tony’s Electronics is marking down the price of a TV 23% from the original price of $175. Which expression can be used to find t
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Answer:

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Step-by-step explanation:

we know that

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Let

x ----> the sale price

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3 0
3 years ago
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