How do you use pascal’s triangle to expand (2x - 3y)³?
How do you use pascal’s triangle to expand (2x - 3y)³?
Grade 10 > 10 grade maths
1 Answer Available
Last Activity: 2 Months ago
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Grade 10 > 10 grade maths
1 Answer Available
Last Activity: 2 Months ago
Two coins are tossed simultaneously 50 times with the following frequencies of different outcomes:
- Outcomes: 2 heads, 1 head, No heads
- Frequency: 13, 26, 11
Find the probability of each outcome. Show that the sum of the probabilities is equal to 1.
Two coins are tossed simultaneously 50 times with the following frequencies of different outcomes:
- Outcomes: 2 heads, 1 head, No heads
- Frequency: 13, 26, 11
Find the probability of each outcome. Show that the sum of the probabilities is equal to 1.
Grade 10 > 10 grade maths
1 Answer Available
Last Activity: 2 Months ago
Two circles touch each other internally. The sum of their area is 130π cm² and the distance between their centers is 8 cm. Find the radii of the two circles.
Two circles touch each other internally. The sum of their area is 130π cm² and the distance between their centers is 8 cm. Find the radii of the two circles.
Grade 10 > 10 grade maths
1 Answer Available
Last Activity: 2 Months ago
Twenty seven solid iron spheres, each of radius r and surface area S, are melted to form a sphere with surface area S'. Find the
- (a) Radius r' of the new sphere
- (b) Ratio of S and S'
Twenty seven solid iron spheres, each of radius r and surface area S, are melted to form a sphere with surface area S'. Find the
- (a) Radius r' of the new sphere
- (b) Ratio of S and S'
Grade 10 > 10 grade maths
1 Answer Available
Last Activity: 2 Months ago
