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Natasha_Volkova [10]
3 years ago
13

Find the length of the leg of a right triangle with leg length b= 21.5 inches and the hypotenuse c= 31.9 inches. Use a calculato

r to estimate the square root to one decimal place.
Mathematics
1 answer:
sweet [91]3 years ago
8 0

Answer:

23.6 (approximate value)

Step-by-step explanation:

  • a*a+b*b=c*c Pythagorean thereom
  • (21.5)^2 + b*b = (31.9)^2
  • b*b= 1017.61 - 462.25
  • √b*b= √555.36
  • b=23.6(approximate value)
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Step-by-step explanation:

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3 years ago
Which irrational number can be multiplied by –40 to get a product that equals 1?
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A high school has 40 players on the football team. The summary of the players' weights is given in the box plot. Approximately,
yulyashka [42]

Answer:

About 91%

Step-by-step explanation:

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2 years ago
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The inequality is 

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\frac{7b-2}{b} \ \textless \ \frac{5}{b}

\frac{7b-2}{b}- \frac{5}{b}\ \textless \ 0

\frac{7b-2-5}{b}\ \textless \ 0

\frac{7b-7}{b}\ \textless \ 0

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here b=1 is a root and b=0 is not in the domain of the expression, but it still has an effect in the sign of the expression.

the sign table of \frac{7(b-1)}{b} is :

+++++++[0] --------[1] +++++

this means that for values of b to the left of 0 and to the right of 1, the expression is positive, and for values of b in (0, 1), the expression is negative.

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Answer: (0, 1)
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3 years ago
Shop owner Sam changed all the book prices in his store from $15 to $12.75. Calculate the percent change in book price.​
yawa3891 [41]

Answer:

-15.00%

Step-by-step explanation:

7 0
2 years ago
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