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3 years ago

Find tan A ( write as a decimal rounded to the three decimal places) FIRST ANSWER GETS BRAINIEST

Mathematics

1 answer:

Hunter-Best [27]3 years ago

6 0

Answer:

$tanA = \frac{28}{21 } = 1.333$

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Dina set her watch 20 seconds behind, and it falls behind another 1 second everyday. How many days has it been since Dina last s

rodikova [14]

Answer:

7 days

Step-by-step explanation:

The watch was set 20 seconds behind already, at the start. The watch has lost 7 more seconds at the rate of 1 second per day.

3 0

4 years ago

7/100 - 6/100= 1/100 right?

AleksandrR [38]

Answer:

yea it is

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3 years ago

A line passes through the origin and the point (3,5). What is the slope of the line?

masha68 [24]

$\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ 0}}\quad ,&{{ 0}})\quad 
% (c,d)
&({{ 3}}\quad ,&{{ 5}})
\end{array}
\\\\\\
% slope = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{5-0}{3-0}$

4 0

3 years ago

The base of a triangle is 9/4 times of its height. If the area of triangle is 144 cm2. Find the height and the base.

Mazyrski [523]

Step-by-step explanation:

Given that the base of triangle is 9/4 times of its height . And area is 144 cm² . Let the height be h , then its base be 9h/4 .

• According to Question :-

$\tt\to Area_{(\triangle)}=\dfrac{base\times height}{2}\\\\\tt\to 144cm^2 = \dfrac{9h\times h}{4\times 2 } \\\\\tt\to h^2 =\dfrac{12\times 12 \times 2 \times 2 }{3\times 3 }\\\\\tt\to h =\sqrt{\dfrac{12\times 12 \times 2 \times 2 }{3\times 3 }}\\\\\tt\to h =\dfrac{(12)(2)}{3} \\\\\tt\to \boxed{\orange{\tt h = 8 cm }}$

Therefore ,

Height = h = 8cm .
Base ,= 9h/4 = 18cm .

5 0

3 years ago

Multiply 3 1/2 x 3 1/2 what is it ???

Andrej [43]

Answer:

12 1/4

Step-by-step explanation:

convert fractionj into decimals then cvert product into fraction

6 0

3 years ago

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