3 years ago

I need help with this question

Mathematics

2 answers:

aleksley [76]3 years ago

8 0

Answer:

just use a caudated

Step-by-step explanation:

Lorico [155]3 years ago

5 0

Answer:

Perpendicular

Step-by-step explanation:

I used desmos to figure it out.

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What is the ratio of 4 cm x 72 cm what is the ratio of 6 cm x 48 cm what is the ratio of 8 cm x 36 cm and what is the ratio of 2

My name is Ann [436]

4/72 = 1/18

6/48 = 1/8

8/36 = 2/9

2/144 = 1/72

6 0

3 years ago

Find the surface area of a regualar pyramid that is a pentagonal pyramid with the area of a base is is 440.4mm and a height of 2

Inessa [10]

Answer:

1240.4 mm²

Step-by-step explanation:

The surface area of a pyramid = Area of the all sides + Area of base

Each side is a triangle.

With a regular pentagonal pyramid, the area of each triangle is

$A = \frac{1}{2}\times\text{base}\times\text{slant height}$

For the 5 triangles,

$A = 5\times\frac{1}{2}\times\text{base}\times\text{slant height} = \frac{1}{2}\times5\times\text{base}\times\text{slant height}$

Substituting given values,

$A = 5\times\frac{1}{2}\times16\ \text{mm}\times20\ \text{mm} = 800 \text{mm}^2$

Area of base = 440.4 mm²

Surface area of a pyramid = 800 + 440.4 mm² = 1240.4 mm²

6 0

3 years ago

(x-2)(x+7)

Nookie1986 [14]

So you use x = 2.
x-2 = 0
x+7=9
so (0,9) (x,y)

5 0

3 years ago

PLEASE HELP I AM BEING TIMED!

german

Answer: C.) Congruent (or third option)

3 0

3 years ago

23. Insert the missing number. 4 6 9 14 23 40 ? 138 266

Ksivusya [100]

Answer:

hey mate !!!

The pattern followed is

4x2-2= 8-2=6

6 x 2-3= 9

9 x 2- 4= 14

14 x 2-5 = 23

23 x 2-6= 40

40 x 2-7= 73

So, the next number will be 73.

3 0

4 years ago