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Shkiper50 [21]
2 years ago
7

Read the following problem: "Find the number, if the sum of 9 and a half a number equals 35." Which of the following translation

s is correct?
9 + x + 2 = 35
9 + 2x = 35
9 +35 = 2x
None of these choices are correct.
Mathematics
1 answer:
Lapatulllka [165]2 years ago
6 0
Answer:

None of these choices are correct.

Step-by-step explanation:

Because half a number that will equal 35 would look like x/2 = 35

Therefore, none of the choices are correct

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denis-greek [22]
I hope this helps you

6 0
3 years ago
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Can you help me with #7
Alex_Xolod [135]
2 miles-12 min.
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5 miles-30 min

3 miles- 18
4 miles-24
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Yes they are the same
7 0
3 years ago
A. The lengths of pregnancies in a small rural village are normally distributed with a mean of 266 days and a standard deviation
Darya [45]

Step-by-step explanation:

a.

mean = 266

sd = 14

cumulative probability = 0.01 so the standard score = -2.33 and 2.33 to the right and left

we find X-upper and X-lower

X-lower = 266-2.33*14 = 233.38

X-upper = 266+2.33*14 = 298.62

Between 233.38 and 298.62

we have sample size = 35

X-lower = 266-2.33*14/√35 = 260.49

X-upper = 266+2.33*14/√35 = 271.5

Between 260.49 and 271.5

b. cumulative probaility = 0.25

standard score = 1.96 to the right and left

x-lower = 6.9-1.96x0.9 = 5.14

x-upper = 6.9+1.96x0.9 = 8.66

Between 5.14 and 8.66

if sample size = 45

x-lower = 6.9-1.96*0.9/√45 = 6.64

x-upper = 6.9+1.96*0.9/√45 = 7.2

Between 6.64 and 7.2

c. standard scores would have cut off value at 0.67 and -0,67

x-lower = 265.3-0.67x15.2 = 255.12

x-upper = 265.3+0.67x15.2 = 275.48

Between 255.12 and 275.48

d. we will have critical values at 1.00 and -1.00

X-lower = 265-1x16 = 249

x-upper = 265+1x16 = 281

Between 249 and 281

with sample size = 44

x-lower = 265-1x16/√44 = 262.59

x-upper = 265+1x16/√44 = 267.41

Between 262.59 and 267.41

3 0
3 years ago
Help it’s #8 it’s due by 12
nignag [31]

Answer:

I think it can be 12 and -6

Step-by-step explanation:

The sum has to be equal to 6

12+ -6= 6

Also, the two integers have opposite signs as asked in the question

5 0
3 years ago
HELP QUICK WILL GIVE BRAINLIEST
tino4ka555 [31]

Step-by-step explanation:

3 0
2 years ago
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