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WARRIOR [948]
3 years ago
6

1+1(2)-5+96-4(67+9)+59+10

Mathematics
1 answer:
faltersainse [42]3 years ago
7 0
The answer would be -141.
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This is a true or false answer please help me**
Nitella [24]

Answer:

5False

6  true

7 true

Step-by-step explanation:

5 Complementary angles add to 90 degrees not 180 degrees

6  40+50 = 90 so they are complementary

7 Supplementary angles add to 180

   145+x = 180

Subtract 145 from each side

145-145 +x = 180-145

   x = 35

3 0
3 years ago
Find the difference 5/15=5/? <br><br> 6/24=2/?
elena55 [62]

Answer:

the first one is 15 & the second missing number is 8

multiply 15×5 & divide it by 5 & multiply 24×2 n divide it by 6

6 0
2 years ago
Rewrite the Fraction 94/5 as a decimal
xenn [34]
94/5 = 18.8
since 90/5 is 18
and 4/5 is .8
just add those together
bam 
7 0
3 years ago
Read 2 more answers
The thickness of eight pads designed for use in aircraft engine mounts are measured. The results, in mm, are 41.8, 40.9, 42.1, 4
nika2105 [10]

Answer:

We accept H₀ we don´t have enough evidence to support that the mean thickness is greater than 41 mm

Step-by-step explanation:

Sample Information:

Results:

41.8

40.9

42.1

41.2

40.5

41.1

42.6

40.6

From the table we get:

sample mean :  x  =  41.35

sample standard deviation    s = 0.698

Hypothesis Test:

Null Hypothesis                    H₀                x = 41

Alternative Hypothesis        Hₐ                x > 41

The test is a one-tail test

If significance level is  0.01 and n = 8  we need to use t-student distribution

From t-table  α = 0.01  and degree of freedom  df = n - 1  df = 8 - 1

df = 7    t(c) = 2.998

To calculate t(s)  =  (  x  -  41 ) / s/√n

t(s)  =  (  41.35  -  41 ) / 0.698/√8

t(s)  = 0.35 * 2.83/ 0.698

t(s) = 1.419

Comparing   t(s)  and t(c)

t(s) < t(c)

t(s) is in the acceptance region we accept H₀

7 0
3 years ago
If 1 inch is about 2.54 cm, how many inches are in 16 cm?
ozzi
6.299 or 6.3 depending on how it wants you to round

16cm / 2.54 cm per in = 6.3 inches
8 0
2 years ago
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