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Mariulka [41]
3 years ago
11

Find the least common denominator of the fractions 5/12 and 2/5.

Mathematics
2 answers:
IrinaVladis [17]3 years ago
7 0
The shown denomonaters are the lcds
Gemiola [76]3 years ago
6 0
The LCD (least common denominator) is the lowest number that both denominators (12 and 5) go into. The lowest number that both 5 and 12 go into is 60. The LCD of the two fractions is 60.
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A salesperson earns a commission of a certain percentage on the original price of any items he helps you buy. The salesperson he
attashe74 [19]

Answer:

5.18%

Step-by-step explanation:

5.76 x 100 = 576

576 ÷ 100 = 5.184

5.184 = 5.18%

4 0
3 years ago
A recent study suggested that 81% of senior citizens take at least one prescription medication. Amelia is a nurse at a large hos
Lady_Fox [76]

Null hypothesis: p = 0.81

Alternative hypothesis: p \ne 0.81

The null is based on a recent study that 81% of the population (in this case senior citizens) takes at least one medication. The alternative hypothesis is basically the flip of the claim made in the null.

If Amelia wanted to know if the percentage was less than 81%, then the alternative would be p < 0.81

If Amelia wanted to know if the percentage was larger than 81%, then the alternative would be p > 0.81

However, she wants to know if the percentage is 81%.

5 0
3 years ago
Which order pair is a solution of this equation. 5x+y=-25
crimeas [40]

Answer:

(-5,0) or (0,-25) is another solution

Step-by-step explanation:

Do you have a list of choices? If not, you could choose random choices for x and y to determine if they are solutions. Start by letting y = 0. We see that x = -5, so (-5, 0) is a solution to this equation. In fact, it represents the x-intercept of this line. Now, let x = 0. We now see that y = -25, so (0, -25) is another solution to the equation of this line. This coordinate pair is the y-intercept of the line. Try using other values of x and y to see if you can come up with other solutions to this equation. 

7 0
3 years ago
Read 2 more answers
Find the value of x in each case:
quester [9]
X + 100 = 4x +49
x= 17


158+148+32+x = 360
338+x= 360
x= 22
5 0
3 years ago
Read 2 more answers
Rewrite the expression as an equivalent ratio of logs using the indicated base.log17(52.875) to base 10.
s2008m [1.1K]

Answer:

log_{17}52.875 = log_{10}52.875 : log_{10}17}

Step-by-step explanation:

Given

log_{17}(52.875)

Required

Convert to base 10

To do this, we make use of the following logarithm laws;

log_ba = \frac{log_{10}a}{log_{10}b}

In the given parameters;

a = 52.875

b = 17

Substitute these values in log_ba = \frac{log_{10}a}{log_{10}b}

log_{17}52.875 = \frac{log_{10}52.875}{log_{10}17}

Represent as a ratio

log_{17}52.875 = log_{10}52.875 : log_{10}17}

Hence;

log_{17}(52.875) is represented as log_{17}52.875 = log_{10}52.875 : log_{10}17}

7 0
3 years ago
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