Multiply eight and eighty-eight hundredths by two and three tenths

Mathematics

1 answer:

zimovet [89]3 years ago

7 0

Answer:

20.424

Step-by-step explanation:

Given words can be written as

Eight and eighty-eight hundredths = (8+ $\frac{88}{100}$ )

= $\frac{800+88}{100}$

= 8.88

Two and three tenth = (2+ $\frac{3}{10}$ )

= $\frac{20+3}{10}$

= 2.3

Now multiply them

i.e 8.88 × 2.3 = 20.424

So 20.424 is the Answer

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In the triangle below, 4/5 represents which ratio?

ASHA 777 [7]

Answer:
sin (C)

Explanation:
In a right-angled triangle, special trig functions can be applied. These functions are as follows:
sin (theta) = $\frac{opposite}{hypotenuse}$

cos (theta) = $\frac{adjacent}{hypotenuse}$

tan (theta) = $\frac{opposite}{adjacent}$ 

Now, let's check the triangle we have:
We have two options:
First option:
5 is the hypotenuse of the triangle
4 is the side adjacent to angle B
Therefore, we can apply the cos function:
cos (B) = $\frac{4}{5}$ 

Second option:
5 is the hypotenuse of the triangle
4 is the side opposite to angle C
Therefore, we can apply the sin function:
sin (C) = $\frac{4}{5}$

Among the two options, the second one is the one found in the choices. Therefore, it will be the correct one.

Hope this helps :)

8 0

3 years ago

Read 2 more answers

The complement of an angle is $5^{\circ}$ more than four times the angle. what is the number of degrees in the measure of the an

Anna11 [10]

Answer:

17°

Step-by-step explanation:

Let x represent the measure of the angle.

(90 -x) = 5 + 4x . . . . the complement is 5° more than 4 times the angle

85 = 5x . . . . . . . . . . add x-5 to both sides

17 = x . . . . . . . . . . . . divide by 5