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professor190 [17]
3 years ago
8

Write the ratios for sin A and cos A. 5 4 B 13

Mathematics
1 answer:
Brrunno [24]3 years ago
7 0

Answer:

sin A = 3/5

cos A = 4/5

Step-by-step explanation:

For angle A, the opposite leg is BC with length 3.

For angle A, the adjacent leg is AC with length 4.

The hypotenuse is AB with length 5.

sin A = opp/hyp

sin A = 3/5

cos A = adj/hyp

cos A = 4/5

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Desert County has had little rainfall. This table shows the amount of rainfall during the last 3 months.
nikdorinn [45]

Answer:

total rainfall during three months :-

\frac{17}{12}  \: or \: 1.41

Explanation :

here's the solution :-

=》rainfall in March =

\frac{1}{4} \:  inches

=》rainfall in April =

\frac{2}{3}  \: inches

=》rainfall in May =

\frac{1}{2}  \: inches

Total rainfall during these three months :-

=》

\frac{1}{4}  +  \frac{2}{3}  +  \frac{1}{2}

=》

\frac{3 + 8 + 6}{12}

=》

\frac{17}{12}

=》

1.41

so, total rainfall during the three months is 1.41 inches

4 0
3 years ago
Mrs. Hernanadez is covering the top of a kitchen shelf that is26 3/8 inches long and 15 1/2 inches wide. She incorrectly measure
miss Akunina [59]

Answer:

The  calculation of Mrs. Hernanadez will affect by 1.375 inches lesser.

Step-by-step explanation:

Given:

Length of the Kitchen shelf = 26 3/8 inches

Width of the Kitchen Shelf =  15 1/2 inches

Incorrect measurement of the length of the kitchen shelf = 25 inches

Solution:

The Actual length of the kitchen shelf is 26\frac{3}{8}

But she measured as 25 inches

So the error in the measurement will be

=>Correct length of the shelf - Incorrect length of the shelf

=> 26\frac{3}{8} - 25

Coverting the mixed fraction to fraction,

=> \frac{211}{8} - 25

=> 26.375 - 25

=>1.375

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