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vfiekz [6]
3 years ago
6

Please help asap!

Mathematics
2 answers:
sasho [114]3 years ago
5 0
The answer is a 47 deg.
uysha [10]3 years ago
4 0

Answer:

147

Step-by-step explanation:

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Oxana [17]
Actually the correct answer would be letter D. 89.7 mark as brainliest thanks
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3 years ago
Jill earns 1.5 times her normal hourly rate for each hour she works after 40 hours in a week. she worked 52 hours this week and
beks73 [17]
This equation can be set up letting x be the hourly rate:40x+1.5x(52-40)=638  [40 times the rate, plus 1.5 times the rate for the hours over 40 equals the pay]40x+78x-60x=63858x=638x=11 hourly rate is $11/hr 
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3 years ago
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Help me this question
lubasha [3.4K]

Answer:

(a) 218.6 N

(b) 97.14 N

Step-by-step explanation:

When the system is in equilibrium, the net torque on the system is zero.

AC = 1.5 m, CD = 2.3 m, DB = 5 - 1.5 - 2.3 = 1.2 m

Let the centre of gravity of plank is at G.

AG = 2.5 m, CG = 2.5 - 1.5 = 1 m, GB = 2.5 m

(a) Let the reaction at C is R and at D is R'.

R + R' = 29 x 9.8 = 284.2 N ... (1)

Take the torque about C.

29 x 9.8 x CG = R' x GD

29 x 9.8 x 1 = R' x 1.3

R' = 218.6 N

(b) Take the torque about D.

6 x 9.8 x AD = R x CD

6 x 9.8 x (1.5 + 2.3) = R x 2.3

R = 97.14 N

8 0
3 years ago
What is the second step to solve this x/2-5=1
sveta [45]

Answer:

X = -3

Step-by-step explanation:

X/2-5 = 1

X/-3 = 1

Multiply both sides by -3 to isolate x

X = -3

5 0
2 years ago
principal phillipi used a random sample of 20 students records to determine how far, in miles, students live from the school. Th
zzz [600]
To find the mean:

Take <span>3 4 5 3 4 5 6 5 4 3 2 3 4 5 6 4 8 4 3 2 and add them all together

=83

Now you divide 83 by the number of terms in the sample set, which is 20. 

83/20 = 4.15

For rounding to the nearest tenth, look at the hundredths space, which is 5. Since it is 5 or higher, round the tenths up one. 

final answer= 4.2 </span><span />
5 0
3 years ago
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