6:5
- there are 165 counters in the bag.
let the white counter be x
2x + x = 165
divide both sides by 3
there are 55 white counters in the bag
165-55=110
OR
2x= 165
divide both sides by 2
x= 110
- there are 110 black counters in the bag
- Martine takes 40%of the black counter
40%= 40/100×110
= 44.
- 44 black counters was taken out of the bag
- then there would be 66 black counters left I.e(110-44=66)
▪︎ there would be 66 black and 55 white counters in the bag.
- ratio of black counters to the white counter = 66:55
- reduced to the lowest term = 6:5 ( 11 divides 66 and 55 Into 6 and 5)
• the answer is 6:5
Answer:
Three ways to find the slope of a line: You may have two points #(x_1,y_1)# and #(x_2,y_2)# (often one or both of these points may be intercepts of the #x# and/or #y# axes). The slope is given by the equation. #m=(y_2-y_1)/(x_2-x_1)#. You may have a linear equation that is either in the form or can be manipulated into the form. #y = mx + b#.
Step-by-step explanation:
D. The numbers of notebooks sold and the number of pens sold in a stationery store
112
suplementry angle add to 180 so 180_68=112
Answer:
0.53πrad
Explanations:
Given the radius of the circular track = 60metres
If she walks a total of 100 meters, the length of the arc of the circle = 100metres
To calculate the radian angle she rotates about the center of the track, we will use the formula for calculating the length of an arc
L = θ/360° × 2πr
100 = θ/360× 2π(60)
36000 = 120π × θ
36000 = 376.8θ
θ = 36000/376.8
θ = 95.5°
Since 180° = πrad
95.5° = x
x = 95.5π/180
x = 0.53π rad
