Answer:
y=-7x-1
Step-by-step explanation:
Always remember the equation of a line is y=mx+b. m represents the slope and b represents the y-intercept. So if your slope is -7 and y-intercept is -1 then your equation will be y=-7x-1.
Step-by-step explanation:
1a)you are asked to find the number of girls and boys who received prizes
1b)The given facts are that out of 60 pupils, 40 being boys, 20 being girls, joined a Math Quiz competition. 20%of boys and 15 of girls received prizes.
1c)40 boys +20 girls=60 pupils.
1d) Find the number of girls and boys that re ceived prizes
20% of 40 boys
20/100 ×40= 8 boys won prizes
15% of 20 girls
15/100×20=3 girls won prizes
1d) 8 boys+3 girls=11 pupils won prizes
Answer:
Step-by-step explanation:
Convert the mixed number into an improper fraction:
Now convert fractions so that their denominators are the same:
As the denominators are now the same, we can simply add the numerators:
Now convert back into a mixed number (if required):
Answer:
56.52 in
Step-by-step explanation:
- 2πr = C
- 2 × 3.14 × 9 = C
- 2 × 3.14 = 6.28
- 6.28 × 9 = 56.52 in
I hope this helps!