Answer:
15.7
Step-by-step explanation:
3.14=pi
Circumference= pi × Diameter
5×3.14= 15.7
Answer:
#5: 60
#6:55
#7:70
#8:55
11.81
Step-by-step explanation:
#5
∠CFD=60 (all the angles in an equilateral triangle are 60)
#6
∠AFD=150=∠AFB+∠BFC+∠CFD
∴150=∠AFB+35+60
∴∠AFB=55
#7
An isosceles triangle has one unique vertex angle and two equal base angles. All the angles in a triangle add up to 180. We know the base angles (55), so:
180 = ∠ABF + 2(55)
∴∠ABF = 70
#8
∠A=∠AFB = 55 (base angles of an isosceles triangle)
11. An isosceles triangle has one unique vertex angle and two equal base angles. All the angles in a triangle add up to 180. Vertex angle is 18, so the sum of both bases is 180-18=162. Therefore, each base angle is 81.
Answer:
23%
Step-by-step explanation:
there are 79 people .
there are 18 males.
for finding percentage: (males /people )x100
(18/79)x100
0.227x100
22.7% almost 23%
Look at the picture.
x is the distance between Mary and Jan.
Using the Pythagorean theorem:
The distance between Mary and Jan is 26 miles.
Answer: x=8 or x=-2
Step-by-step explanation:
It would be the first option on the test.
You should subtract 25 on both sides to get this equation x^2-6x-16 in order to factor. There are three multiplication equations to get to the number 16 which is 1*16, 2*8, and 4*4. 1*16 wouldn't work since you would get either 17, 15 or -15, 4*4 would also not work since you would get +/-8 or 0, which would finalize our two numbers 2 and 8.
Since the c value is negative you would need to get one of your numbers negative which would be -8 since -8 + 2 = -6 which would factor out to (x-8)(x+2). Subtract -8 and 2 for each x values to get 8 and -2.
