Answer:
16 feet
Step-by-step explanation:
As said in the problem statement, the angles between the top of the house, the mirror, and the ground and between Sarah's eyes, the mirror, and the ground are congruent.
We also know that Sarah and the house are perpendicular to the ground.
So if we draw a triangle from the top of the house, to the mirror, to the bottom of the house, and another triangle from Sarah's eyes, to the mirror, to Sarah's feet, we get two triangles that have the same angles. Therefore, the triangles are similar, and we can write a proportion:
4 / 5 = h / 20
h = 16
The house is 16 feet tall.
a) 3 1/4 pounds of apple costs $6.46
b) X pounds of apple costs $1.99X
c) Clare bought 2.59 pounds of apple
Step-by-step explanation:
Cost of apple per pound= $1.99
a) 3 1/4 pounds = 13/4 pound
Cost for 13/4 pounds of apple = 1.99(13/4)
= $6.46
b) cost for X pound = 1.99(X)
=$ 1.99X
c) money spent for apples = $5.17
Cost per pound = $1.99
Total weight of apple bought = 5.17/1.99
= 2.59 pounds of apple
Answer:
3(4+3a+6b)
Step-by-step explanation:
A = -6
b = 48
Hope this helps :)
