Answer:
21
Step-by-step explanation:
10% of 30 is 3 then 1/5 of 30 is 6 so 3+6=9 then 30-9=21
9514 1404 393
Answer:
1/4
Step-by-step explanation:
Put the value where the variable is and do the arithmetic.
3z² = 3(√3/6)² = 3(3/6²) = 9/36 = 1/4
__
The whole point of √3 is that the square of it is 3. The square of a fraction is the fraction multiplied by itself. The usual rules of multiplying fractions apply.
Answer:
b
Step-by-step explanation:
y = 1y
1y+0.4y =1.4y
Answer:
Area of a Circle = 254.34 cm²
Step-by-step explanation:
Area of a Circle = π r²
Area of a Circle = 3.14 * 9²
Area of a Circle = 254.34 cm²
The top and bottom length are 9 and 9 right? so multiply 9x2 which is 18cm. then to find the missing length, you already know that the length to your right is 6cm. and so will the one on your left will be 6cm, so multiply 6x2 and you get 12cm. add 18cm and 12cm and you get the answer 30cm. perimeter=30cm.
