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Lubov Fominskaja [6]
3 years ago
13

Idk how to solve r+11+8r=29

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
8 0
R and 81 are common factors so add them together and you get 9r;then your equation is 9r+11=29.After that you subtract 11 from 29 and then the equation is 9r=18.Then you divide 9 from 18 so you get r=2.
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in a school the ratio of boys to girls 6/5. what is the probability of choosing a girl from a class of 22?
kifflom [539]

the ratio 6/5 means for every 6 boys there are 5 girls.

Add the ratio: 6+5 = 11

Divide class total by 11: 22/11 = 2

Multiply each ratio number by 2 to find the number of boys and the number of girls:

6 x 2 = 12 boys

5 x 2 = 10 girls.


10 out of the 22 kids are girls.


The probability of picking a girl would be 10/22, which reduces to 5/11

8 0
3 years ago
** Which of the following is parallel to the line 2x + 4y = 16 (A) y = 2x + 5 (B) y = -x + 4 (C) y = -x + 8 (D) y = 2x + 5 =-​
andreev551 [17]

Answer:

None of them.

Step-by-step explanation:

Each and every straight line is of one kind in terms of its pattern: it can be presented in the view of y = kx + b: k is the slope or gradient of the line, b is the y-intercept of the line. I will not let the cat out of the bag if I say that any parallel lines do not intersect one another, hence they should have the same value of coefficient k.

2x + 4y = 16 \Leftrightarrow x + 2y = 8 \Leftrightarrow 2y = -x + 8 \Leftrightarrow y = - \frac{1}{2}x + 4

Therefore, our line has k = - \frac{1}{2} and b = 4 coefficients.

(A) k = 2, b = 5;

(B) k = -1, b = 4;

(С) k = -1, b = 8;

(D) k = 2, b = 5;

Recapitulating this: none of them have the same coefficient k, thus none of them suit us.

8 0
2 years ago
If the cost 12 oranges is $6 and someone wanted to know the price of 1 orange. What vocabulary word represents the cost of that
Soloha48 [4]

Answer:

Ratio

Step-by-step explanation:

12 oranges

divided by 6 is 2$

2$ for 1 orange

2:1

7 0
3 years ago
jalen found an outfit that is 20% off of the original price of $65. Find the discounted price of the outfit.
olga55 [171]

Answer:

$52

Step-by-step explanation:

0.2 x 65 = 13

65-13 = 52

7 0
2 years ago
Whats the slope intercept form of <br>x_2y=-16​
Leto [7]

Answer:

No idea

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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