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kirill115 [55]
3 years ago
14

What is the sum of fifteen and ten?

Mathematics
1 answer:
IrinaK [193]3 years ago
3 0
The sum of two numbers means that you need to add (+) them together,
so the sum of 15 and 10 is 15 + 10
  

.   1 5
+<u>  1 0 </u>
    2 5

The answer is 25

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Problem page the ratio of men to women working for a company is 5 to 8 . if there are 169 employees total, how many women work f
Ksenya-84 [330]
5 : 8....added = 13

5/13(169) = 845/13 = 65 men
8/13(169) = 1352/13 = 104 women <===
8 0
3 years ago
Determine the point estimate of the population proportion and the margin of error for the following confidence interval.Lower bo
Kamila [148]

Answer: The point estimate of the population proportion is . 485.​

The margin of error is 0.273.​

Step-by-step explanation:

Confidence interval for population proportion(p):

sample proportion ± Margin of error

Given:  Lower bound of confidence interval  = 0.212

Upper bound = 0.758

⇒sample proportion - Margin of error=0.212  (i)

sample proportion + Margin of error= 0.758  (ii)

Adding (i) and (ii) , we get

2(sample proportion) =0.970

⇒ sample proportion = 0.970÷2= 0.485

Since sample proportion is the point estimate of the population proportion.

So, the point estimate of the population proportion=  0.485

Now put sample proportion =0.485 in (ii), we get

0.485+ Margin of error= 0.758

⇒  Margin of error= 0.758 - 0.485 =0.273

i.e. The margin of error is 0.273.​

5 0
3 years ago
Please help...with this question
MissTica
It would hafta be answer choice D
7 0
3 years ago
Simplify the expression to a polynomial in standard form:<br> (-3x-5)(-x^2+x-5)
WINSTONCH [101]

Answer:

should be the answer

Step-by-step explanation:

5x^2-10

5 0
2 years ago
Read 2 more answers
Write a numerical expression for each verbal phrase.
Nookie1986 [14]

Answer:

Option B. 16-8

Step-by-step explanation:

Let

z ------> the number of apple left

x -----> the total number of apples

y -----> the number of apples sold

we know that

The numerical expression of the phrase " the number of apples left if eight out of the sixteen apples have been sold" is equal to subtract the number of apples sold from the total number of apples

so

z=x-y

we have

x=16 apples

y=8 apples

substitute

z=16-8

5 0
3 years ago
Read 2 more answers
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