We are required to find the total points Jada had
let
Ashley points = x
Steve points = 1/2 of x = 1/2x
Jada = 2 × 1/2x
= 2 1/2x
Total points = 40
Total = Ashley + Steve + Jada
40 = x + 1/2x + 2 1/2x
40 = x + 3x
40 = 4x
divide both sides by 4
x = 40/4
x = 10 points
Therefore,
Ashley points = x
= 10 points
Steve points = 1/2 of x = 1/2x
= 1/2 of 10
= 1/2 × 10
= 5 points
Jada = 2 1/2x
= 5/2 × 10
= 50/2
= 25 points
Read more:
brainly.com/question/16257275
Check the picture below.
so let's notice, the base is a 6x6 square, and triangular faces have a base of 6 and an altitude/height of 5. So we can just get the area of the square and the triangles and sum them up and that's the area of the pyramid.
![\bf \stackrel{\textit{triangles' area}}{4\left[ \cfrac{1}{2}(6)(5) \right]}+\stackrel{\textit{square's area}}{(6\cdot 6)}\implies 60+36\implies 96](https://tex.z-dn.net/?f=%5Cbf%20%5Cstackrel%7B%5Ctextit%7Btriangles%27%20area%7D%7D%7B4%5Cleft%5B%20%5Ccfrac%7B1%7D%7B2%7D%286%29%285%29%20%5Cright%5D%7D%2B%5Cstackrel%7B%5Ctextit%7Bsquare%27s%20area%7D%7D%7B%286%5Ccdot%206%29%7D%5Cimplies%2060%2B36%5Cimplies%2096)
Answer:
2.6 m
Step-by-step explanation:
The surface area for rectangular prisms is: S = 2lw + 2lh + 2wh, where l = length, w = width, h = height.
Substitute the known values into this equation: h = 5, l = 10, w = x, S = 178
178 = 2(10x) + 2(5 x 10) + 2 (5x)
Simplify!
178 = 20x + 100 + 10x
Subtract 100 from both sides and combine x's
78 = 30x
divide both sides by 30
x = 2.6 m
answer check: 2(10 x 2.6) + 2(5 x 10) + 2 (5 x 2.6) = 178 (true!)
2/7 ×5/8
so 2×5 =10
and 7 ×8 = 56
your answer is 10/56
