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viva [34]
3 years ago
9

If y = 12 when x = –15, find y when x = 2.

Mathematics
1 answer:
Shtirlitz [24]3 years ago
4 0

Answer:

29

Step-by-step explanation:

First make an equation that shows the relationship between x and y by finding what you need to do to x to get y:

-15 + ? = 12

? =  27

so the equation is : y = x + 27

now just plug in 2 for x:

y = 2 + 27

y + 29

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You and a friend are playing a game of chance. Every time you roll a 1 or 2 you are successful, and your friend will pay you $1.
LUCKY_DIMON [66]

At the end of the game you owned 13 cents if 71% of your rolls are successful and 29% of your rolls are unsuccessful option first is correct.

<h3>What is probability?</h3>

It is defined as the ratio of the number of favourable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

We have:

Every time you roll a 1 or 2 you are successful, and your friend will pay you $1. Every time you roll a 3, 4, 5 or 6, you must pay your friend $2.

71% of your rolls are successful:

= 1×0.71

= $0.71 (won)

29% of your rolls are unsuccessful

= 2×2.9

= $0.58 (lose)

The amount owned = 0.71 - 0.58 = $0.13 = 13 cents

Thus, at the end of the game you owned 13 cents if 71% of your rolls are successful and 29% of your rolls are unsuccessful option first is correct.

Learn more about the probability here:

brainly.com/question/11234923

#SPJ1

6 0
2 years ago
Subtract the equating of 15 ÷ 3 from the sum of 33 and 7
Gnesinka [82]

33 + 7 = 40

15 / 3 = 5

Subtract the answer of the division problem from the sum of 33 and 7. Your answer would be:

40 - 5

Simplified:

35

7 0
3 years ago
Read 2 more answers
The circumference of a circle can be found using the c = 2πr. use the formula to solve for the radius of a circle, r
julsineya [31]

\bf \textit{circumference of a circle}\\\\&#10;C=2\pi r~\hspace{12em}\cfrac{C}{2\pi }=r

5 0
3 years ago
Read 2 more answers
Find the area of a triangle with vertices of A(3, 3), B(5, 4), and C(0, 2).
Butoxors [25]
A(x_A;\ y_A);\ B(x_B;\ y_B);\ C(x_C;\ y_C)\\\\A_\Delta=\frac{1}{2}| \left|\begin{array}{ccc}x_B-x_A&y_B-y_A\\x_C-x_A&y_C-y_A\end{array}\right||\\=================================\\A(3;\ 3);\ B(5;\ 4);\ C(0;\ 2)\\\\A_\Delta=\frac{1}{2}| \left|\begin{array}{ccc}5-3&4-3\\0-3&2-3=\end{array}\right||=\frac{1}{2}|\left|\begin{array}{ccc}2&1\\-3&-1\end{array}\right||\\\\\\=\frac{1}{2}|2(-1)-1(-3)|=\frac{1}{2}|-2+3|=\frac{1}{2}|1|=\frac{1}{2}\ (u^2)
7 0
3 years ago
Ivan and Tanya share £150 in the ratio 4:1<br> How much more does Ivan get than Tanya
mina [271]

Answer:

Ivan gets £90 more than Tanya

Step-by-step explanation:

Given that

Total amount = £150

Ratio: 4:1

First of all we have to find the sum of ratio: 4+1 = 5

Now,

Ivan's Share:

= \frac{4}{5} * 150\\= 120

Tanya's Share:

=\frac{1}{5} * 150\\= 30

Ivan gets £120 and Tanya gets £30

The difference between their shares is the answer.

So,

= 120-30 = 90

Hence,

Ivan gets £90 more than Tanya

6 0
3 years ago
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