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3 years ago

2,601,400,070 written out ?

Mathematics

1 answer:

Sholpan [36]3 years ago

7 0

Answer:

two billion six hundred one million four hundred thousand seventy

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Gabriel makes a model of a pyramid with the dimensions shown. A square pyramid. The square base has side lengths of 12 inches. T

GalinKa [24]

Answer:

Area of the square base: 144 in²

Area of each triangular face: 66 in²

Amount of paint needed: 408 in²

Step-by-step explanation:

We basically want to find the surface area of this square pyramid.

First, find the areas of the 4 triangular sides. The area of a triangle is denoted by: $A=\frac{1}{2} bh$ , where b is the base and h is the height.

Here, the base coincides with the side length of the square, so b = 12. The height is 11, so h = 11. Plug these in:

$A=\frac{1}{2} bh$

$A=\frac{1}{2}$ * 12 * 11 = 66 inches squared

Each triangular face is thus 66 inches squared.

Since there are 4 triangles, multiply 66 by 4: 66 * 4 = 264 inches squared

Now, find the area of the square base. The area of a square is: A = s * s, where s is the side length. Here, the side length is 12, so s = 12. Plug this into the equation:

A = s * s

A = 12 * 12 = 144

So, the square base is 144 inches squared.

Finally, add 144 to 264 to get the total area Gabriel needs to paint:

144 + 264 = 408 inches squared

6 0

3 years ago

Read 2 more answers

Suppose a triangle has two sides of length 2 and 3 and that angle between these two sides is 60 degrees. What is the length of t

Rudiy27

Answer:

The measure of the third side is $\sqrt{7}\ units$

Step-by-step explanation:

we know that

Applying the law of cosines

$c^2=a^2+b^2-2(a)(b)cos(C)$

where

C is the angle between side a and side b

we have

$a=2\ units\\b=3\ units\\C=60^o$

substitute

$c^2=2^2+3^2-2(2)(3)cos(60^o)$

$c^2=13-(12)(\frac{1}{2})$

$c^2=13-6$

$c^2=7$

$c=\sqrt{7}\ units$

5 0

3 years ago

Find the surface area of the prism.

Katena32 [7]

Answer:

total surface area = 324 m²

lateral surface are = 132 m²

top surface area = 96 m²

bottom surface area = 96 m²

4 0

2 years ago

Comment if you know the answer please

pochemuha

I think it 0.07 but dont count onmy answer

3 0

3 years ago

A rectangular swimming pool measures 50 meters in length and 25 meters in width. What are the length and width of your scaled dr

morpeh [17]

Answer:

10 cm by 5cm

Step-by-step explanation:

We know that for every 5 meters, there will be 1 centimeter. The pool is 50 meters by 25 meters. So to find this in terms of centimters, divide by 5 to get 10 cm by 5 cm.

7 0

4 years ago