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DaniilM [7]
2 years ago
14

Help please I’d appreciate it

Mathematics
1 answer:
valentinak56 [21]2 years ago
7 0

Answer:

I think it would be (5,6)

Step-by-step explanation:

The formula is (y,-x).

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There are 12 boys and 16 girls in a classroom. Which represents the simplified ratio of girls to students in the
Arturiano [62]

Answer:

I think it is 4 to 3

Step-by-step explanation:

if I am wrong I'm sorry

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Brainest for best answer only 5 mins left show your work
Kamila [148]

Answer:

Step-by-step explanation:

Problem One

Perimeter is in meters not square meters. The equation is

2*(6.8+x) + 2*12.5= 47                Remove the brackets. Combine like terms  

13.6 + 2x + 25 = 47

38.6 + 2x = 47                            Subtract 38.5 from both sides

2x = 47 - 38.6  

2x = 8.4                                      Divide by 2

x = 4.2

Answer D

Problem 2

This problem is asking that you calculate the perimeter of a swimming pool.

The two semicircles on the ends make a whole circle.

The diameter of the semicircles is obtained from the difference of the two given lengths.

The rectangle has a length of 12. The length of the rectangle and the 2 semicircles is 16. The difference is 4. You could divide this by 2 to get the radius. I would just leave it as the diameter.

So the perimeter is pi*d + 2 * 12 [there are 2 lengths]

Perimeter = 4*pi + 24

Perimeter = 12.56 + 24

Perimeter = 36.56

Answer A

Problem 3

This is the circle inside the square.

The radius of the circle = 9

The diameter of the circle and the length of square's side = 2*9 = 18

The area of the square = s^2  where s = 18

The area of the square = 18^2 = 324

The area of the circle = pi * 9^2 = 3.24 * 81 = 251.34

The area of the Shaded area = 324 - 251.34 = 69.66

Answer C

Problem 4

b1 = 5

b2 = 11.5

h = 4.5

Formula

Area = (b1 + b2 ) * 4.5/2

Area =  (5 + 11.5) * 4.5 /2

Area = 16.5 * 4.5 / 2

Area = 74.25/2

Area = 37.125

Answer D

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3 years ago
Which table shows the reflection of f(x) across the y-axis?<br> answer 4 brainliest
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The Correct graph is fourth one !

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2 years ago
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What is the volume of the solid figure below?<br><br> 32 cm 3<br> 72 cm 3<br> 80 cm 3<br> 96 cm 3
Ivanshal [37]

Answer:

80cm^3

Step-by-step explanation:

To find the volume of the figure, we can see the shape comprises of both cube and cuboid

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Volume of cube = length xlength x length = 2×2×2 = 8cm^3

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7 0
3 years ago
∠5 ​ and​ ​ ∠6 ​ ​are complementary angles. m∠5=13°
Hatshy [7]
Since they are complementary angles, then the sum of the measure of both angles is 90
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