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2 years ago

What does X and Y equal?

Mathematics

1 answer:

Travka [436]2 years ago

4 0

Answer:

X= 67

Y= 6

Step-by-step explanation:

Triangle TRU is an equilateral triangle which means all sides are equal.

Triangles sum up to 180°.

180/3= 60

60+7= 67

x=67

Triangle TRS is an isosceles triangle which means it has two equal sides.

Triangles sum up to 180°.

180-60= 120

TRS= 120°

60/2= 30°

RTS= 30°

RST= 30°

30/5= 6

y= 6

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A growth medium is inoculated with 1,000 bacteria, which grow at a rate of 15% each day. What is the population of the culture 6

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<h2>Number of bacteria after 6 days is 2313</h2>

Step-by-step explanation:

Population after n days is given by

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Increase rate, r = 15 % = 0.15

Number of days, n = 6

Substituting

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

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Let E be the event where the sum of two rolled dice is even. List the outcomes in Ec (complement of E)

d1i1m1o1n [39]

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This includes all the combinations when both dices are even or both dices are odd.

We have to list the outcomes for Ec, the complement of E. This event Ec will represent all the outcomes where the sum of the two dices is odd.

All outcomes where one dice is even and the other is odd are part of Ec.

Then, we can list them as:

(1,2), (1,4), (1,6)

(2,1), (2,3), (2,5)

(3,2), (3,4), (3,6)

(4,1), (4,3), (4,5)

(5,2), (5,4), (5,6)

(6,1), (6,3), (6,5)

This represents half of the sample space. The other half corresponds to outcomes that are part of event E.

Answer: all the outcomes that correspond to Ec are (1,2), (1,4), (1,6), (2,1), (2,3), (2,5), (3,2), (3,4), (3,6), (4,1), (4,3), (4,5), (5,2), (5,4), (5,6), (6,1), (6,3) and (6,5).

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1 year ago

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Answer:

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