Answer: 9:5
Step-by-step explanation:
If there are a total of 28 students in class, 10 are girls
Step 1: find the number of boys;
Number of boys = Total number of students- number of girls
= 28 - 10 = 18
Number of boys = 18
Step 2: the ratio of boys to girls can therefore be written as 18:10 or 18/10 in fraction form.
To put in the simplest form, we divide by the greatest common factor as both 18 and 10 are divisible by 2, so the simplest form is 9:5 or 9/5
1£/10= 9/5, in other words, there are 9 boys for every 5 girls in the class.
Answer:
See explanation
Step-by-step explanation:
Given that the equation for the firecracker is h = − 5 t^2 + 30 t + 20
It is impossible to solve this question unless the height (h) in meters is supplied. If the height was supplied, we could set up the quadratic equation and solve it yielding two values for the time. The values of t obtained is the time in seconds required for the firecracker to reach the given height h.
You can apply these tips and solve the question seamlessly.
Given: 2x-8+14x+6-14
Combine the x's: 16x-8+6-14
Combine the 8 and 6: 16x-2-14
Combine -2 and -14: 16x-16
Answer: 16x-16
Top box is 2x
bottom box is 3
Y= 3x + 9 hope this helpsssssssss