Answer:
Then the black cards=12
Step-by-step explanation:
N of red=3
N of black=10
and we have ratio 3:10
think when we ⇒ add 2 to red, will be 5:10= 1:2 not equal to 1:3
⇒add 1 to red and 1 to black, the ratio will be 4:11 not equal to 1:3
⇒add 2 to black, the ratio will be 3:12 = 1:3
Then the black cards=12
hope this helps!
Basically just add them all together like normal addition except there is a z attached to each number:
43z + 15z + 7z + 5z + 46z + 14z
58z+ 7z + 5z + 46z + 14z
65z + 5z + 46z + 14z
70z + 46z + 14z
116z + 14z
130z
Hope this helped!
Answer:
Step-by-step explanation:
Semicircle:
diameter = width of rectangle = 8 units
radius r = 8/2 = 4 units
Area of semicircle = πr²
= 3.14*4*4 = 50.24 square units
Area = Area of rectangle - Area of semicircle
= 8*11 - 50.24
= 88 - 50.24
= 37.76 square units
Answer:
22 peoples.
Step-by-step explanation:
To solve this we need to substitute value of c with 315.
On substitution,
315 = 5p + 205
315 - 205 = 5p
110 = 5p
22 = p
So, 22 peoples can attend the party.
Answer:
B: 1/36 EQUIVALENT
D: NONE OF THE ABOVE
Step-by-step explanation:
Rolling a single 3 is 1/6, rolling another 3 is 1/6 again. SO you multiply the probabilities to find the probability of rolling double 3s. 1/6 × 1/6 = 1/36 so B.
These are all the ways you could roll a sum of 7:
1, 6
2, 5
3, 4
4, 3
5, 2
6, 1
This is 6 of the 36 possible rolls so there is a 1/6 chance of rolling a sum of 7, SO D.
