Answer:
3. a,c
4. a,c
5. c
6. a
7. y=-9x
8. y=x+9
9. y=x-7,y=x+3
13. y=x+5
14. y=8x-2
15. y=5
Step-by-step explanation:
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Do you need the math as well?
Answer:
If the ratio is 7:5 and there are 42 girls, then you are multiplying by 6. 5 x 6 = 30. 30 boys participated.
Step-by-step explanation:
There are 30 boys in the competition.
Step-by-step explanation:
Given : The ratio of girls to boys who participated in the quiz bowl was 7:5. There were 42 girls in the competition.
To find : How many boys participated?
Solution : Let x be the number of boys in the competition.
There are 42 girls in the competition.
The ratio form by girls to boys is 42 : x
The ratio of girls to boys who participated in the quiz bowl was 7 : 5.
Solving the two ratios,
Therefore, There are 30 boys in the competition.
To simplify, remove the parentheses and combine like terms:
( y + 22) + 3
Y + 22 + 3
Answer: Y + 25