4a-13=19 add 13 to both sides
4a=32 divide by 4 on both sides
a=8
Answer:
5 radical 3
Step-by-step explanation:
b = √c2 - a2
= √102 - 52
= √75
= 8.66025 = 5√3
Answer:
You need to divide the total teaspoons she has by the amount she needs for each cake to find out how many cakes she can bake. 9/12 / 1/12 =9 She can bake 9 cakes.
Step-by-step explanation:
About 40%
186---100%
75-----x%
75*100 divide by 186
