1 year ago

Find the angles marked with the letters

Mathematics

1 answer:

arsen [322]1 year ago

7 0

Answer:

C = 64 B = 55

Step-by-step explanation:

Might be wrong but give it a try

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What is the surface area of the rectangular pyramid below?

mezya [45]

Answer:

A. 675 units²

Step-by-step explanation:

The formula for the surface area of a square pyramid is ...

A = s(s +2h)

where s is the side length of the base, and h is the slant height of a face.

<h3>use the formula</h3>

The given pyramid has s=15 and h=15, so the surface area is ...

A = (15)(15 +2×15) = 15(45) = 675 . . . square units

3 0

1 year ago

Solve 64-31-3.64 + 22 = 38

professor190 [17]

Answer:

51.36=38

Step-by-step explanation:

You apply all these together:

64-31-3.64 + 22=51.36

51.36=38

4 0

2 years ago

The Johnson twins were born four years after their older sister. This year, the product of the three siblings ages is exactly 34

svp [43]

Answer:

Step-by-step explanation:

Let age of each twin be x

let age of sister be s

So we can write:

x + 4 = s

The product of the 3 siblings ages is 3482 more than sum. We can write:

$s*x*x=3482+(s+x+x)$

This can be simplified as:

$sx^2=3482+s+2x$

We replace s with "x + 4" and solve:

$(x+4)x^2=3482+x+4+2x\\x^3+4x^2=3486+3x\\x^3+4x^2-3x-3486=0\\x=14$

<u>Note:</u> To solve this cubic, we used technology

Thus, we can say the twins are 14 years old

3 0

2 years ago

Lucy si thinking of a Numbers. The number is greater than two hundred twenty-five. Her number is less than 2 hundreds,2 tens, an

VikaD [51]

226 i believe, if not then idk

8 0

2 years ago

Need help asap the graphs below have the same shape. what is the equation of the red graph?

exis [7]

Answer:

The highlighted one is correct

B F(x) = 2 - x²

Step-by-step explanation:

3 0

2 years ago

Find the angles marked with the letters​

Find the angles marked with the letters