3 years ago

2 x 3.6 find the product

Mathematics

2 answers:

Rus_ich [418]3 years ago

5 0

Answer:

7.2

Step-by-step explanation:

worty [1.4K]3 years ago

5 0

Answer:

Step-by-step explanation:

2 x 3.6 = 7.2

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0.4 x 10 =....<br>1.25 x 10 = <br>97.465 x10 =

chubhunter [2.5K]

Answer:

0.4 × 10 = 4

1.25 × 10 = 12.5

97.465 × 10 = 974.65

3 0

3 years ago

In a class, 42 students, there are 8 more boys than girls write and solve a system of 3 equations

zhenek [66]

Answer:

x = 17

Step-by-step explanation:

x + x + 8 = 42 because x = boys and x + 8 = girls

2x = 34 because 2x = 42 - 8

x = 17

i hope this helps! you don't need the 2x = 42 - 8 to be an equation ;)

8 0

3 years ago

On a scale drawing, the scale factor is 1/12. A plum tree is 7 inches tall on the scale drawing. What is the actual height of th

Sedbober [7]

B. 84

The scale factor is 1/12 which means to get back to the actual height, you would multiply 7x12

7 0

3 years ago

Read 2 more answers

Prove that sin20sin40sin60sin80=3/16

never [62]

We'll use the following properties of sine and cosine to prove this:

$sin(a)\cdot sin(b) = \frac12(cos(a-b) - cos(a+b))$

$cos(a)\cdot cos(b) = \frac12(cos(a+b) + cos(a-b))$

$cos(180+a) = cos(180-a)$

Then it's just a matter of filling it in...

sin20sin40 * sin60sin80 = 1/2(cos20 - cos60) * 1/2 (cos20 - cos140) =

1/8( cos40 + 1 - cos160 - cos120 - cos40 - cos80 + cos80 + cos200) =

1/8(1 - cos160 - cos120 + cos200) =

1/8(1 - cos160 - cos120 + cos160) =

1/8(1 - cos120 ) = 1/8( 1 + 1/2 ) = 3/16

5 0

3 years ago

The scale of a model airplane is 1:72.

ExtremeBDS [4]

The actual wingspan of the airplane would be 504 which isn't an answer but maybe you just typed A. in incorrectly <span />

4 0

3 years ago