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3 years ago

How many lines of symetry do a heart have

Mathematics

1 answer:

Deffense [45]3 years ago

7 0

Answer:

Step-by-step explanation:

You can only cut it in half (vertically)

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The ratio of boys to girls at the beach cleanup was 7:8. If there were 42 boys, how many girls were there?

lesantik [10]

It would be 48 girls. 42 divided by 7 equals 6 so then you just times 6 by 8 to figure out how many girls there will be.

7 0

3 years ago

Find the area of a semi-circle with radius, r = 2cm.

hoa [83]

Answer:

The answer is 2pi

Step-by-step explanation:

To find the area of a cirlce, use the equation ( pi * r^2 ) so for a semi circle, which is half, simply divide that by 2. Plug in 2 for radius and you get 4pi/2 which simplifies to 2pi.

5 0

3 years ago

This is my last question please help

Lesechka [4]

Answer:

first was the answer

(2tanA/2)/(1+tan^2A/2)

5 0

2 years ago

Help .?.??.?.?..??.?.?.?.??.?.?.?.?.?.?,?.?.??

fomenos

C is 5, pythagorean triple 3,4,5

3 0

3 years ago

Which of the following points does Not lie on the graph of y =3x

nalin [4]

Answer:

(2,6)

Step-by-step explanation:

The options of the questions are

(0,1) (1,3) (2,6) (3,27)

and the given function is $y=3^x$

we know that

If a ordered pair lie on the graph of the given equation, then the ordered pair must satisfy the given equation

Verify each ordered pair

case 1) (0,1)

substitute the value of x and the value of y in the linear equation and then compare the results

$1=3^0$

$1=1$ ----> is true

The ordered pair lie on the graph of the given equation

case 2) (1,3)

substitute the value of x and the value of y in the linear equation and then compare the results

$3=3^1$

$3=3$ ----> is true

The ordered pair lie on the graph of the given equation

case 3) (2,6)

substitute the value of x and the value of y in the linear equation and then compare the results

$6=3^2$

$6=9$ ----> is not true

The ordered pair not lie on the graph of the given equation

case 4) (3,27)

substitute the value of x and the value of y in the linear equation and then compare the results

$27=3^3$

$27=27$ ----> is true

The ordered pair lie on the graph of the given equation

8 0

3 years ago