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sleet_krkn [62]
4 years ago
6

Are those two expression equivalent when x=10 5(3x+8) 8(x+8

Mathematics
2 answers:
Margarita [4]4 years ago
8 0
Let's solve for x!
5(3x+8)=8(x+8)
15x+40=8x+64
7x=24
x=24/7

x= 24/7, not 10
So the answer is no
My name is Ann [436]4 years ago
6 0
No, the first choice equals 190 and the second 144.
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Circle the letter for the correct answer.
8_murik_8 [283]

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Step-by-step explanation:205

7 0
3 years ago
Find the mean of this set of numbers.<br><br> 7, –9, 6, –10, –13, –5
ivann1987 [24]
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5 0
3 years ago
Starting from rest the motor boat travels around the circular path (radius of curvature= 40 m),at a speed (v= 0.8 t m/s),where (
dsp73

Answer:

The magnitude of the boat's velocity is 5.66 m/s

Step-by-step explanation:

Given;

Radius of curvature of the circular path, r = 40 m

speed of the boat, v = 0.8 t m/s

The magnitude of the boat's velocity when it has traveled 20 m is ?

a = dv / dt,

v = 0.8 t (differentiate with respect to t)

dv / dt = 0.8 = a

thus, a = 0.8 m/s²

If the boat starts from rest, initial velocity, u = 0

Apply kinematic equation, to solve for the boat velocity at 20 m

v² = u² + 2as

v² = 0 + 2 x 0.8 x 20

v² = 0 + 32

v² = 32

v = √32

v = 5.66 m/s

Therefore, the magnitude of the boat's velocity when it has traveled 20 m is 5.66 m/s

7 0
3 years ago
Please help ASAP! <br><br> Law of sines...
kirza4 [7]

Answer:

b = 35.00

Step-by-step explanation:

To make use of the Law of Sines, you need to know angle B. Of course, its value will make the sum of all angles be 180°, so it is ...

B = 180° -34.5° -29.8° = 115.7°

Then the law of sines tells you ...

b = sin(B)·a/sin(A) = 22·sin(115.7°)/sin(34.5°)

b = 35.00

5 0
3 years ago
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