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dolphi86 [110]
3 years ago
7

What is 276,431 rounded to the nearest ten thousand

Mathematics
1 answer:
viva [34]3 years ago
3 0
The answer is 280,000 rounded to the nearest ten thousand.
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Write y=-4/5x-2 in a standard form using integers
Tomtit [17]
The answer is D 4x+5y=-1
6 0
3 years ago
Algebraic expression and identity 1)simplify the following (3a+b)3 +(3a-b)3
mylen [45]

Answer:

(3a+b)^3+(3a-b)^3=54a^3+18ab^2

Step-by-step explanation:

Given: (3a+b)^3+(3a-b)^3

Formula: x^3+y^3=(x+y)(x^2-xy+y^2)

(x+y)^2=x^2+2xy+y^2

(x-y)^2=x^2-2xy+y^2

x\rightarrow 3a+b

y\rightarrow 3a-b

\Rightarrow (3a+b+3a-b)((3a+b)^2-(3a+b)(3a-b)+(3a-b)^2)

\Rightarrow (6a)(9a^2+b^2+6ab-9a^2+b^2+9a^2+b^2-6ab)

\Rightarrow (6a)(9a^2+3b^2)

\Rightarrow 54a^3+18ab^2

5 0
3 years ago
Please help need urgent
aleksandr82 [10.1K]

Convert the cm to feet for the base and the height:

12/2 = 6 x 3 = 18 feet

9/2 = 4.5 x 3 = 13.5 feet


area = 1/2 x base x height

Area = 1/2 x 18 x 13.5

Area = 121.5 square feet


answer: 121.5 square feet

3 0
2 years ago
2 inches by 1.5 inches. The scale of the copy is one in.:40cm.
Nana76 [90]
Sorry I do not know. Sorry to let you down
5 0
3 years ago
What is 516 expressed as a percent?
WINSTONCH [101]
 It is 51,600%. Hope it helps
3 0
3 years ago
Read 2 more answers
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