All categories

3 years ago

How do I do these problems?

Mathematics

1 answer:

Ilya [14]3 years ago

8 0

I have no clue I am in 7th grade I am sorry I have no idea what this is? :(

You might be interested in

Look at the following figure. Copy the cross onto another piece of paper. Then, cut apart the four pieces labeled A, B, C, and D

kozerog [31]

Answer:

C should slot on top of A.

Then D should slot in next to C of the left.

Lastly B should be beneath D and on the left of A.

Hope that makes sense.

3 0

3 years ago

A circle has an equation (x+2)2+(y−5)2=64. What is 34 of its area.

skad [1K]

Answer:

3/4 of the area of the circle is of $48\pi$ squared units.

Step-by-step explanation:

Equation of a circle:

The equation of a circle has the following format:

$(x - x_0)^2 + (y - y_0)^2 = r^2$

In which the center is $(x_0,y_0)$ and r is the radius.

Area of a circle:

The area of a circle of radius r is given by:

$A = \pi r^2$

Circle (x+2)² + (y-5)² = 64

Comparing with the standard equation, we have that:

$r^2 = 64$

Area of the circle:

$A = \pi r^2 = 64\pi$

What is 3/4 of its area?

$\frac{3A}{4} = \frac{3*64\pi}{4} = 3*16\pi = 48\pi$

3/4 of the area of the circle is of $48\pi$ squared units.

8 0

3 years ago

I don't understand ÷ fractions

Reptile [31]

Ok. so, you have a fraction. lets say it is, 5/20. and the other, is. 2/5. flip the first one, and multiply. so your answer would be, 25/40. hope this helps.

7 0

3 years ago

What is y + 2/5 y equivalent to

Lerok [7]

7/5y. you add the 2/5y to the 5/5y and get 7/5y

8 0

3 years ago

The hypotenuse of a right triangle is twice the length of one of its legs. The length of the other leg is three feet. Find the l

kari74 [83]

Answer:

2√3 = hypotenuse

√3 = side

Step-by-step explanation:

$\sqrt{3^{2} +x^{2} } = 2x \\\sqrt{9 +x^{2} } = 2x\\9+x^{2} =(2x)^{2} \\9+x^{2} = 4x^{2} \\9 = 4x^{2} - x^{2} = 3x^{2} \\3 = x^{2}\\\sqrt{3} = x\\\\2x = 2\sqrt{3}\\$

6 0

3 years ago

Read 2 more answers