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bekas [8.4K]
3 years ago
12

Please me on this problem guys!

Mathematics
1 answer:
VikaD [51]3 years ago
4 0
                                                                                                 . . . . . . . . . . . . . . . . .  . . . . . . fvnkaenba iea ve;behbe fe;hg
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Mary can read 20 pages in 30 minutes. How long would
bulgar [2K]

Answer:

2hrs 30mins

Step-by-step explanation:

3 0
3 years ago
Answer it right and i'll try to give you brainliest.
mario62 [17]

Answer:

384 cm²

Step-by-step explanation:

Since it is a square pyramid, the total surface area of the pyramid is the area of its square base plus the area of its 4 triangular faces.

\boxed{area \: of \: triangle =  \frac{1}{2} \times base \times height }

Area of a triangular face

= ½ ×12 ×10

= 60 cm²

\boxed{area \: of \: square = side \times side}

Base area of pyramid

= 12 ×12

= 144 cm²

∴ Surface area of pyramid

= 4(60) +144

= 240 +144

= 384 cm²

7 0
2 years ago
What percent of 250 is 2
Dafna11 [192]

Answer:

2.5

Step-by-step explanation:

math is easy to get off the game and then go back in school

8 0
2 years ago
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Which of the following sets are closed under multiplication? Select all that apply.
ivolga24 [154]

Answer:

Integers, whole numbers and polynomials are sets of closed under multiplication.

Only Irrational numbers are not the sets of closed under multiplication.                  

Step-by-step explanation:

To find : Which of the following sets are closed under multiplication?

1. Integers  

Yes, integers is a sets of closed under multiplication as if you multiply an integer by an integer, you will always get another  integer.

Example - 3\times 3=9 is an integer

2. Irrational numbers


No, irrationals are not closed under multiplication.

Example - \sqrt{3} \times \sqrt{3} =3 is a rational number

3. Whole numbers


Yes, whole numbers is a sets of closed under multiplication as if you multiply a whole number by a whole number, you will always get another  whole number.

Example - 5\times 5=25 is a whole number

4. Polynomials

Yes, polynomial is sets of closed under multiplication as if you multiply the variables' exponents are added, and the exponents in polynomials are whole numbers so the new exponents will be whole numbers.

Example - (x + 1)(x^2 + 4x + 3) = x^3 + 5x^2 + 7x + 3 is a polynomial.


4 0
3 years ago
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Need help ASAP, Tysm i really appreciate it
Fittoniya [83]
It’s the last one -5n+16
3 0
3 years ago
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