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3 years ago

Help please you get 50+ points and brainliest answer correctly pls

Mathematics

1 answer:

Rainbow [258]3 years ago

5 0

Answer:

Step-by-step explanation:

They have the same slope but their y-intercepts are different (they are crossing the y-axis at different points).

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Can anyone solve this?

blsea [12.9K]

Answer:

95 square inches

Step-by-step explanation:

Start by finding the surface area of the four triangles. 7x5=35 35÷2=17.5. 17.5x4=70. Then take the surface area of the square, 25, and add it to the surface area of the triangle. 70+25=95.

Hope this helps!

8 0

2 years ago

A circle with a radius of 3cm sits inside of a circle with a radius of 5cm. What is the area of the Shaded Region? Round your an

tresset_1 [31]

Answer:

$A=50.27\ cm^2$

Step-by-step explanation:

<u><em>The complete question is</em></u>

A circle with a radius of 3 cm sits inside of a circle with a radius of 5 cm. What is the area of the Shaded Region?

The shaded region is the area outside the smaller circle and inside the larger circle

we know that

The area of the shaded region is equal to subtract the area of the smaller circle from the area of the larger circle

Remember that

The area of the circle is equal to

$A=\pi r^{2}$

The area of the shaded region is

$A=\pi [r_1^2-r_2^2]$

where

$r_1=5\ cm$

$r_2=3\ cm$

substitute

$A=\pi [5^2-3^2]$

$A=\pi [16]$

$A=16\pi\ cm^2$

assume

$\pi =3.1416$

substitute

$A=16(3.1416)=50.27\ cm^2$

4 0

3 years ago

Solve the following equation for a a-32=47

Verizon [17]

Answer:

value of a = 79

Step-by-step explanation:

by solving it we get,

=》a - 32 = 47

=》a = 47 + 32

=》a = 79

hence, a = 79

6 0

3 years ago

Read 2 more answers

A designer wants to make a circular fountain inside a square of grass as shown at the right. What is a rule for the area A of th

Dennis_Churaev [7]

Answer:

$A=4r^{2}-r^{2}\pi$

Step-by-step explanation:

1. To calculate the area of the grass you must substract the area of the square and the area of the circle.

2. The area of the square is:

$A1=L^2$

Where $L$ is one side of the square.

3. You have that:

$L=2r$

4. Therefore:

$A1=(2r)^{2} =4r^{2}$

5. The area of the circle is:

$A2=r^{2}\pi$

6. The are of the grass is:

$A=4r^{2}-r^{2}\pi$

7 0

3 years ago

11. What is true of a kite (select all that apply)

astra-53 [7]

Answer:

Step-by-step explanation:

Diagonals are perpendicular

no parallel sides

1 parallel of congruent angles

only these

3 0

3 years ago