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2 years ago

A middle school is having a raffle for a laptop. The school will draw the

Mathematics

1 answer:

marin [14]2 years ago

3 0

Answer:

0.0045

2 divided by 437= 0.0045

Step-by-step explanation:

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Perform the multiplication, (7x2+a2)(x2–3a2)

aksik [14]

Answer:

The given multiplied expression is

$(7x^2+a^2)(x^2-3a^2)=7x^4-20x^2a^2-3a^4$

Step-by-step explanation:

Given expression is $(7x^2+a^2)(x^2-3a^2)$

To find the multiplication of the given expression :

$(7x^2+a^2)(x^2-3a^2)$

By using the distributive property to solve the given expression as below

$(7x^2+a^2)(x^2-3a^2)=(7x^2)(x^2)+(7x^2)(-3a^2)+(a^2)(x^2)+(a^2)(-3a^2)$

$=7x^2.x^2-21x^2a^2+a^2x^2-3a^2.a^2$

$=7x^{2+2}-21x^2a^2+a^2x^2-3a^{2+2}$ ( by using the property $a^m.a^n=a^{m+n}$ )

$=7x^4-21x^2a^2+a^2x^2-3a^4$

Adding the like terms in the above expression we get

$=7x^4-20x^2a^2-3a^4$

Therefore $(7x^2+a^2)(x^2-3a^2)=7x^4-20x^2a^2-3a^4$

Therefore the given multiplied expression is

$(7x^2+a^2)(x^2-3a^2)=7x^4-20x^2a^2-3a^4$

8 0

4 years ago

What are the first 500 digits of Pi?

ella [17]

Answer:

3.1415926535 8979323846 2643383279 50288419716939937510 5820974944 5923078164 06286208998628034825 3421170679 8214808651 32823066470938446095 5058223172 5359408128 48111745028410270193 8521105559 6446229489 54930381964428810975 6659334461 2847564823 37867831652712019091 4564856692 3460348610 4543266482.

Step-by-step explanation:

i searched it plz brainliest i need 7 more

7 0

3 years ago

What is the side length b in the triangle below

Zanzabum

12^2 +b^2 = 20^2 because of the Pythagorean theorem
144 + b^2 =400
B^2 =256
B=16

4 0

4 years ago

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Based on the figure, select all true equations

Lady bird [3.3K]

Answer:

a) no

b) true

c) true

d) no

e) true

f) true

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3 years ago

Helpppp PLEASEEE AHHHHHH

Allisa [31]

Answer:

Step-by-step explanation:

18+12-6

6 0

2 years ago

Read 2 more answers