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Ann [662]
3 years ago
14

What type of triangle is this

Mathematics
2 answers:
olga nikolaevna [1]3 years ago
6 0

Answer:

isosceles

Step-by-step explanation:

Nikolay [14]3 years ago
6 0

Answer:

An isosceles

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25% of American households have only dogs (one or more dogs) 15% of American households have only cats (one or more cats) 10% of
sergeinik [125]

Answer:

a) P=0.2503

b) P=0.2759

c) P=0.3874

d) P=0.2051

Step-by-step explanation:

We have this information:

25% of American households have only dogs (one or more dogs)

15% of American households have only cats (one or more cats)

10% of American households have dogs and cats (one or more of each)

50% of American households do not have any dogs or cats.

The sample is n=10

a) Probability that exactly 3 have only dogs (p=0.25)

P(x=3)=\binom{10}{3}0.25^30.75^7=120*0.01563*0.13348=0.25028

b) Probability that exactly 2 has only cats (p=0.15)

P(x=2)=\binom{10}{2}0.15^20.85^8=45*0.0225*0.27249=0.2759

c) Probability that exactly 1 has cats and dogs (p=0.1)

P(x=1)=\binom{10}{1}0.10^10.90^0=10*0.1*0.38742=0.38742

d) Probability that exactly 4 has neither cats or dogs (p=0.5)

P(x=4)=\binom{10}{4}0.50^40.50^6=210*0.0625*0.01563=0.20508

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3 years ago
Which of these numbers are composite<br><br> 51, 53, 57, 59
Oduvanchick [21]

Answer:

57

Step-by-step explanation:

57 is a composite number

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If we assume that the annual rate of inflation were to remain steady at 3.4%, and particular item costs $45 now, what would this
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Step-by-step explanation:

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Step-by-step explanation:

(a-7)(a-5)

a^2-7a-5a+35

a^2-12a+35

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Idk

Step-by-step explanation:

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