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KengaRu [80]
3 years ago
15

Find the sum using estimation to the nearest dollar: $72.90+$15.45+$120.99

Mathematics
2 answers:
o-na [289]3 years ago
8 0

Answer: 209

Step-by-step explanation:

lord [1]3 years ago
7 0

Answer:

$209

Step-by-step explanation:

We use addition.

$72.90

$15.45

$120.99

+

__________

$209.34 (round to nearest dollar) = $209

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The amount of protein a person needs each day is proportional to his or her weight. Rod weighs 165 pounds and needs 60 grams of
lukranit [14]
The equation for this would be: \frac{60}{165}=  \frac{x}{220}. first you want to multiply 60 by 220, then divide the product by 165.  60 times 220 is 13,200.  Now divide 13,200 by 165.  This will give you 80.  Todd has to eat 80 grams of protein each day to stay healthy.
6 0
3 years ago
To inspect manufacturing processes, companies typically examine samples of parts for deficiencies. One company that manufactures
marishachu [46]

Answer:

a. All measures exist

b. The Mean and the mode

c. Positively skewed

d. The mean and the median

Step-by-step explanation:

a. The frequencies of the data are;

1       2

2      4

3       1

5       2

6       3

9        1

11        1

14        1

15       1

18       1

The formula for mode is given as follows;

The mean = 108/17 = 6.35

The median of 1 1 2 2 2 2 3 5 5 6 6 6 9 11 14 15 18 = (n + 1)/2th term = 9th term  

∴ The median = 5

The mode = 3×Median - 2 × Mean = 15 - 2 × 6.35 = 2.29

Hence all exist

The answer is none theses measures

b. Whereby 18 is replaced by 39 the mean will be then be

(108 + 39 - 18)/17 = 7.59

The median, which is the 9th term remain the same;

Hence only the mean and mode will be affected

c. Since more values are concentrated on the left side of the data distribution, the distribution is positively skewed

d. The largest measurement = 18 the 17th term

Removal will give

Mean = (108 - 18)/16 = 5.625 Mean changes

Median = (16 + 1)/2 th term = 8.5th term = 5 The median remains the same

The mode = 3(Mean - Median) changes

Therefore, the mean and the median will be changed.

6 0
3 years ago
Evaluate the expression √(-6)/(√(-9) √(-1)) and write the result in the form a+bi.
DaniilM [7]
√6/3√i
Let me know if you need work

3 0
2 years ago
calvin paints pictures and sells them at art shows. He charges $56.25 for a large painting. He charges $25.80 for a small painti
stellarik [79]
The answer is 1,111.90
3 0
3 years ago
Read 2 more answers
If h(x) is the inverse of f(x), what is the value of h(f(x))?<br> OO<br> 0 1<br> f(x)
kozerog [31]

Answer:

x.

Step-by-step explanation:

h(f(x) = x.

For example the inverse of  f(x) = 2x  is g(x) = x/2

f((gx)) 2 (x/2)

= 2x / 2

= x.

8 0
3 years ago
Read 2 more answers
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