2 years ago

Can someone please help?

Mathematics

2 answers:

givi [52]2 years ago

8 0

Answer:

Even

Step-by-step explanation:

An odd number added by an odd number will equal an even number.

Good luck :)

FromTheMoon [43]2 years ago

5 0

Answer:

Even

Step-by-step explanation:

All the answers to adding up odd numbers in the bellow examples shows even answers.

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Blizzard [7]

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Step-by-step explanation:

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4 0

2 years ago

Read 2 more answers

Use a net to find the surface Area of the square pyramid The height of the pyramid is 9 yes and the base sides are all 2.5 yrds

Cerrena [4.2K]

Answer:

$Area = 51.68yd^2$

Step-by-step explanation:

Given

$h = 9yd$ -- height

$a = 2.5yd$ --- base sides

Required

Determine the surface area

The net is not given. So, I will solve directly.

The surface area is calculated as:

$Area = a^2 + 2a\sqrt{\frac{a^2}{4} + h^2}$

So, we have:

$Area = 2.5^2 + 2*2.5\sqrt{\frac{2.5^2}{4} + 9^2}$

$Area = 6.25 + 5\sqrt{\frac{6.25}{4} + 81}$

$Area = 6.25 + 5\sqrt{1.5625 + 81}$

$Area = 6.25 + 5\sqrt{82.5625}$

$Area = 6.25 + 5* 9.086$

$Area = 51.68yd^2$

6 0

2 years ago

What has the same value as 4/7 ➗2? help me plssssssss

hjlf

If you do 4/7 divide by 2 the answer is 0.2857

6 0

2 years ago

What is the coefficient, a variable, and constant in the equation 7.5 0H +0.2 0S +40

IceJOKER [234]

The coefficients are 7.5 and 0.2. The variables are OH and OS, and the constant is 40. Good luck.

5 0

2 years ago

Help me!!!!!!!!!!!! And look at the picture plzzzz!!!!

liubo4ka [24]

Answer: 72

Step-by-step explanation:

Set it up as a ratio

$\frac{12}{15} =\frac{x}{90} \\15x=1080\\x=72$

5 0

2 years ago