Answer:
100inches
Step-by-step explanation:
50books
each book is 2 inches
50books x 2 inches per boo = 100inches
5/35 so 1/7 as a decimal this is .143. This is because it says D OR F which means add them and divide by 35. So your answer is 0.143
5. the first equation gives you the value of y. So plug in the value of y into the second equation:
3x+2(-x-7)=3.
Simplify: 3x-2x-14=3.
Subtract: 1x-14=3.
Add 14 to both sides: x=17.
Now you know the x value.
You plug in the x value into the first equation: y=-17-7
Solve: y=-24
Answer: 17, -24
Answer:
Step-by-step explanation:
So the single blocks are 1, the lines are 10, the single layer is 100 and the blocks are 1000. Let em know if you don't quite get that. But to find how many blocks are there in total we add each part.
1 block + 2 surfaces + 3 lines +6 single little blocks. that's one 1,000, two 100s, three 10s and six 1s or in other words 1,000 + 200 + 30 + 6 = 1,236
These are values that you should know by heart. For other angles, you should be able to find the sine and cosine values using a calculator or a table.
1
sin 45 deg = opp / hyp = -----------
sqrt(2)
cos 45 deg = adj / hyp = (same as above)
sqrt(3)
Note that sin 30 deg = 1/2, and that cos 30 deg = ------------
2
