Help please this is due tomorrow, and i still have a lot more to do, will give brainliest

Mathematics

1 answer:

____ [38]3 years ago

7 0

Answer:

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Step-by-step explanation:

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What is y? ( thank you for anyone who helps)

MissTica

Y=136 yw....................

6 0

2 years ago

Which inequality's solution is graphed here?

nikklg [1K]

The correct answer is D.
2x >= 7-5

2x >= 2

x >= 1

8 0

2 years ago

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What is the length of BC in the right triangle below

Anna [14]

Answer:

<h2>15 units</h2>

The length of BC is 15 units.

Solution,

Hypotenuse(h)=?

perpendicular(p)=12

base(b)=9

Using Pythagoras theorem,

${h}^{2} = {p}^{2} + {b}^{2} \\ or \: {h}^{2} = {12}^{2} + {9}^{2} \\ or \: {h}^{2} = 12 \times 12 + 9 \times 9 \\ or \: {h}^{2} = 144 + 81 \\ or \: {h}^{2} = 225 \\ or \: h = \sqrt{225} \\ or \: h = \sqrt{ {15}^{2} } \\ h = 15$

hope this helps...

Good luck on your assignment....

6 0

3 years ago

Read 2 more answers

please help me with these, show work or type how to do it ! Thank u, and yes I know they are wrong :/

mojhsa [17]

Question 8:

Steps:
1. Find the area of the 2 triangles at both end.
2. Find the lateral surface area (that is, 3 rectangles)
3. Add them up.

Step 1:
Area of triangle = 1/2 x base x height
Area of 1 triangle = 1/2 x 4 x 5.7 = 11.4 m²
Area of 2 triangles = 11.4 x 2 = 22.8 m²

Step 2:
Area of the lateral surface area = perimeter of the triangle x height
Area of the lateral surface area = (4 + 7 + 5.7) x 8.6 = 143.62 m²

Step 3:
Total surface area = 22.8 + 143.62 = 166.4 m² (nearest tenth)

Answer: 166.4 m²

Question 9:

Steps:
1. Find the area of the square base.
2. Find the area of the 4 triangles.
3. Add them up.

Step 1:
Area of the square = 8 x 8 = 64 cm²

Step 2:
Area of 1 triangle = 1/2 x 8 x 15.3 = 61.2 cm²
Area of 4 triangles = 61.2 x 4 = 244.8 cm²

Step 3:
64 + 244.8 = 308.8 cm²

Answer: 308.8 cm²

Question 10:

Volume = Length x Width x Height
Volume = 1 1/2 x 2 1/2 x 8 = 30 ft³

Answer: 30 ft³

5 0

2 years ago

What is the area of the shaded sector

Whitepunk [10]

Answer:

Area = 634.21 square metre

Step-by-step explanation:

Area of shaded region = Area of the circle - Area of the sector

$Area \ of \ the \ circle = \pi r^2 = 225 \pi\\\\Area \ of \ the \ sector = \pi r^2 \frac{ \theta}{360} = \pi \times 225 \times \frac{37}{360}$