Answer:
12 small and 7 large
Step-by-step explanation:
x = small y = large
4x + 10y = 115
Sn=n/2[2a+(n-1)d]
s7 means n=7
a7=7/2[2(13)+(7-1)(3)]=7/2(44)=154
Ans:C
Answer:
1.triangular prism and triangular pyramid
2. triangular prism and rectangular prism
3. rectangular pyramid and triangular pyramid
4. rectangular pyramid and rectangular prism
Answer:
i think its E
im not sure
Step-by-step explanation:
Okay, so let's find the actual failure rate first. 6/1000 times 100 (to give over a 100%) equals to 0.6. The actual failure rate is 0.6%. The theoretical probability is 0.2% 0.6-0.2=0.4. The difference is 0.4%.
Hope that helped!
