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o-na [289]
3 years ago
10

-2 + (3+x)/5 - 3 = -9 what is x

Mathematics
1 answer:
TiliK225 [7]3 years ago
7 0

+2 on -2 and -9

+3 on -3 and 3

remove parenthesis

6/5 = 1.2

x= 1.2 / -.7

x=-1.4

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on june 1 Mary Barkley deposited 1000 in a savings account that pays 5.5 percent interest compounded daily. on june 26th, how mu
Zielflug [23.3K]

9514 1404 393

Answer:

  3.77

Step-by-step explanation:

For daily compounding, the balance is ...

  A = P(1 +r/365)^n . . . . principal P invested at annual rate r for n days

  A = 1000(1 +0.055/365)^25 ≈ 1003.77

Of this amount, 1000 is the original principal. The difference is the interest.

The interest earned is 3.77.

4 0
3 years ago
A lathe is set to cut bars of steel into lengths of 6 centimeters. the lathe is considered to be in perfect adjustment if the av
Nitella [24]
The hypothesis testing for this problem is:
a. The hypothesis for this problem are:
Null: H0: μ=6
Alternative: Ha: μ≠6
 
b. Test
T-statistics = (6.08 - 6) / 0.44* √(121) = 2
 
c. P value = 0.047759
 
Since our p-value is smaller than the significant level of 0.05, we can say that we reject the null hypothesis.

Conclusion: there is enough evidence to say lathe is not in perfect adjustment.
4 0
4 years ago
10) Find the Greatest Common Factor between the two given numbers.<br> 8.10
Bess [88]

Answer: GCF(8,10) = 2

Step-by-step explanation:

Factors of 8

1, 2, 4

Factors of 10

1, 2, 5

5 0
3 years ago
Tom caught 4 fish and his son caught 12 fish.
Hitman42 [59]

Answer:

a)33.33333333%  b) 25%

Step-by-step explanation:

a) To find you're answer, you need to find the equivalent percentage to the fraction 4/12.  SO you need to do 4 divided by 12, or you can find an equivalent fraction. 4/12=1/3 and 1/3 is 33.33333%

b) The total number of fish is 4+12=16.  4/16= 1/4 and 1/4 is 25%

I really hope this answer helps!

8 0
3 years ago
Oliver treated his sister to lunch while visiting her in Cedarburg. Their lunch cost $275, and the sales tax in Cedarburg is 12%
Rudiy27

Answer:

Oliver paid a total of $363.

Step-by-step explanation:

The total amount paid by Oliver on this dinner is given by the cost of their lunch (275) plus the tax (12%) plus the tip (20%). So in order to calculate this value we first need to know how much was paid in tax and the tip, these calculations are shown bellow:

tax = 275*12% = 275*(12/100) = 33

tip = 275*20% = 275*(20/100) = 55

So the total amount paid was:

total = 275 + 33 + 55 = $363

Oliver paid a total of $363.

8 0
4 years ago
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