160 cm^2
2 by 5 by 10
2*10=20
20*2 sides=40 cm^2
2*5=10
10*2 sides=20 cm^2
5*10=50
50*2 sides=100 cm^2
40+20+100=160
Answer:
123.5
Step-by-step explanation:
Answer:
8 is the length of JB
Step-by-step explanation:
<u>Key skills needed: Equations, Congruence</u>
1) We need to find out an equation to make based on the lengths that are given. ΔJMB is congruent to ΔKMB because of Side-Angle-Side:
- JB is congruent to BK
- Angle MBK would be a right angle, since it is supplementary to the right angle JBM. Since both are right angles they are congruent.
- Both triangles have the side BM. Using the reflexive property, BM is congruent to itself, so there you go --> Side-Angle-Side
2) Now since both triangles are congruent, we can make the equation that the length of JM is congruent to the length of MK, using the fact that: If triangles are congruent, then corresponding parts are congruent.
3) This means that 16x -24 = 4x
Subtract 16x from both sides : -24 = -12x
Divide by -12 on both sides and get x = 2
4) Substitute x into the length of JB (16x-24)
16(2)-24 = 32-24 = 8
5) Therefore, the length of JB is 8
<em>Hope you understood and have a nice day!! :D</em>
Answer:
78,718.5
Step-by-step explanation:
2.1*102=214.2
3.5*105=367.5
214.2*367.5=78,718.5
Answer:
(-4, 3)
Step-by-step explanation:
This is an increase of 8 in the y coordinate, so the answer is (-4, -5 + 8) or (-4, 3).
