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borishaifa [10]
3 years ago
7

At a bargain store, Tanya bought three items that each cost the same amount. Tony bought four items that each cost the same amou

nt, but each was $2.25 less then the items that Tanya bought. Both Tanya and Tony paid the same amount of money. What was the individual cost of each person's items?
Mathematics
1 answer:
djverab [1.8K]3 years ago
5 0
Each of Tony’s items are $7.65
Each of Tanyas items are $10.2
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Matthew has a 150 page book he has read one third of it how many pages has he read so far
posledela
You take 150/3. The answer is 50.
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3 years ago
How do i simplify the equation tan-5θ-tanθ÷ 1+tan-5θtanθ
iren [92.7K]

Answer:-tan (50) -tan (0) - tan (50) tan (0)

Step-by-step explanation:

any expression divided by one stays the same; simplify the expression using the symmetry of trigonometric functions.

7 0
3 years ago
Can you help me with number 6? <br> Confused abit <br> Please
Sunny_sXe [5.5K]

You can see the three diagram attached. Each link is labeled with the probability: you have probability 1/6 that a six is rolled, and 5/6 that it is not rolled.


To answer the questions, find the path that brings you to the desired outcome, and multiply all the labels you meet.


First question:

To get three sixes, you have to choose the left path at each roll. The probability is always 1/6, so the answer is


\frac{1}{6} \times \frac{1}{6} \times \frac{1}{6} = \frac{1}{6^3}


Second question:

To get no sixes, you have to choose the right path at each roll. The probability is always 5/6, so the answer is


\frac{5}{6} \times \frac{5}{6} \times \frac{5}{6} = \frac{5^3}{6^3}


Third question:

To get exactly one six, it can either be the first, second or third roll.


In all cases, you have to choose the left path once and the right path twice: left-right-right mean that you get the six in the first roll, right-left-right means that you get the six in the second roll, right-right-left means that you get the six in the third roll.


In every case, the left turn has probability 1/6, and the right turn has probability 5/6. The probability of each combination is thus


\frac{1}{6} \times \frac{5}{6} \times \frac{5}{6} = \frac{5^2}{6^3}


And since there are three of these combinations, The answer is


3\frac{5^2}{6^3}


Fourth question:

Since the question suggests to use what we already achieved, let's do it: having at least one six is the complementary event of having no sixes at all. If an event has probability p, its complementary has probability 1-p. So, since the probability of no sixes is known, the probability of at least one six is


1 - \frac{5^3}{6^3}

4 0
3 years ago
The base of a triangle is 12.25 in. determine the area of the triangle if the height is 3.6 in
leva [86]

Answer:

22.05in^2

Step-by-step explanation:

Formula for area of a triangle:

(base × height) / 2

(bh)/2

(12.25 × 3.6)/2

44.1/2

22.05

When finding the area, the units will always be to the second power because we are multiplying them

in × in = in^2

5 0
2 years ago
2(10) + 2(x-4)<br> Please help I don’t understand
choli [55]

12+2x

Step-by-step explanation:

1. distribute  

2(10)= 2*10

2(x-4)= 2x-8

2. combine like terms

20-8 =12

12+2x

5 0
3 years ago
Read 2 more answers
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