Can you guys help me with this

Mathematics

2 answers:

nikdorinn [45]2 years ago

5 0

Answer:

11) 40

12)113

13) 105

11) 180-65-75

12) 180 - (180-62-51)

13) 360-100-60-95

Rzqust [24]2 years ago

3 0

1) all of them should add up to 180 so
65+75=140
180-140=40
F=40

2) finding x:
62+51=113
180-113= 67
X=67
We can know how much y equals from the two angles far away which we already calculated so y=113

C) all angles should add up to 360
100+95+60= 255
360-255=105
X=105

Hope this helps

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Mrs. Simpson drove 105 miles in 2 1/2 hours. What was Mrs. Simpson's average speed in miles per hour?

harkovskaia [24]

105 m = 2.5 h

x miles = 1 hour

You cross multiply since it's a proportion:
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=

2.5x = 105

Then you divide everything by 2.5

The answer is 42

5 0

3 years ago

Read 2 more answers

The density of a fluid is given by the empirical equation rho=70.5 exp(8.27 X 10^-7 P) where rho is density (lbm/ft^3) and P is

jasenka [17]

Answer:

(a) The unit of 70.5 is lbm/ft^3 and the unit of 8.27×10^-7 is in^2/lbf

(b) density = 0.1206g/cm^3

Step-by-step explanation:

(a) The unit of 70.5 is the same as the unit of rho which is lbm/ft^3. The unit of 8.27×10^-7 is the inverse of the unit of P (lbf/in^2) because exp is found of a constant. Therefore, the unit of 8.27×10^-7 is in^2/lbf

(b) P = 9×10^6N/m^2

rho = 70.5exp(8.27×10^-7× 9×10^6) = 70.5exp7.443 = 70.5×1.71 = 120.6kg/m^3

rho = 120.6kg/m^3 × 1000g/1kg × 1m^3/10^6cm^3 = 0.1206g/cm^3

rho = 0.1206exp(8.27×10^-7P) (the unit of 0.1206 is g/cm^3)

5 0

3 years ago

Please help<br> Me with this

ratelena [41]

I belive that it would be 40% or .4

7 0

3 years ago

May I please receive help?<br> Please?