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3 years ago

Which estimation technique will yield a solution that is closest to the actual product of (–21.06)(–30.45)?

Mathematics

2 answers:

Naddik [55]3 years ago

7 0

Answer:

The answer is C. Rounding to the nearest whole number.

Step-by-step explanation:

Please mark me brainliest

Morgarella [4.7K]3 years ago

5 0

Answer:

C. Rounding to the nearest whole number.

Step-by-step explanation:

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PLEASE HELP WITH GEOMETRY WILL GIVE BRAINLIEST

sammy [17]

Answer:

Option D

Step-by-step explanation:

In the first three options we can evaluate the values of x with the help of Sine Rule for all the triangles

The Rule says

$\frac{\sin A}{a}=\frac{\sin B}{b}=\frac{\sin C}{c}$

Where a , b and c are the sides opposite to the angles A, B and C of any ΔABC.

Hence , in order to determine unknown values of sides or angles , we need any 3 values from all 3 sides and 3 angles in a triangle. First Three options give us three values but the last option gives only 2.

Example

in first option we can apply Sine Rule as

$\frac{\sin 84}{x}=\frac{\sin 63}{3}$

$\frac{0.994}{x}=\frac{0.891}{3}$

$x=\frac{0.991 \times 3}{0.891}$

$x=\frac{2.973}{0.891}$

$x=3.336$

8 0

3 years ago

Asap pls help me i will give 30 points

Basile [38]

$▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪$

The rational values are :

$- \dfrac {1}{16}$

and

The Irrational values are :

$\sqrt{3}$

and

$\sqrt{2}$

6 0

3 years ago

Read 2 more answers

Yeah can someone help me plz

erastovalidia [21]

11. you do 3x3=9 then plus 9+2 = 12 then 12 x 12 = 144
sorry idk 10.

3 0

3 years ago

What is the center of the circle x² + y2 - 16 = 0?

Ad libitum [116K]

Answer:

(0,0)

Step-by-step explanation:

x^2+y^2=4^2

center: (0,0)

radius=4

7 0

3 years ago

What are these answers please help

Sphinxa [80]

Answer: if it is a positive number then it will always be a positive integer

Step-by-step explanation:

4 0

2 years ago