2 years ago

Ok now , these 2 loll

Mathematics

1 answer:

mylen [45]2 years ago

3 0

1. square root the area 8 sq m, so square root of 8 is 2.8.

answer is B. 2.8 square meters

2. 2.998 * 10^8

move the decimal 8 times to the right

answer is A. 299,800,000

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Freee points freee points, arent I so humble? ;)

Alenkasestr [34]

Answer:

ayo thanks g

Step-by-step explanation:

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2 years ago

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Prove that if b is a square matrix then b+b^t is symmetric

WARRIOR [948]

A matrix $\mathbf X$ is symmetric if $\mathbf X=\mathbf X^\top$ . We have

$(\mathbf B+\mathbf B^\top)^\top=\mathbf B^\top+(\mathbf B^\top)^\top=\mathbf B^\top+\mathbf B=\mathbf B+\mathbf B^\top$

and so $\mathbf B+\mathbf B^\top$ is indeed symmetric.

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3 years ago

Find the missing side<br> 1) 6<br> 2) 6.41<br> 3)6.40

pantera1 [17]

Answer:

3. 6.40

Explanation:

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2 years ago

Find the surface area of the prism or pyramid. Round to the nearest hundredth if necessary.

son4ous [18]

Answer: 345.4

Step-by-step explanation:

SA=2πr^2+2πrh

SA=2(3.14)(5)^2+2(3.14)(5)(6)

SA=2(3.14)(25)+2(3.14)(30)

SA=2(78.5)+2(94.2)

SA=157+188.4

SA=345.4

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2 years ago

Question 1 (10 points)

Irina18 [472]

Answer:

Q1 d, Q2 c, Q3 d

Step-by-step explanation:

g(x)=-3x+1

g(x)=16 means that

-3x+1=16 subtract 1 from both sides

-3x=16-1 combine like terms and divide both sides by -3

x=-15/3=-5

g(x)=3x²+4x-1

g(2) means that x=2 so substitute

g(2)=3*2²+4*2-1=12+8-1=19

domain are the x values

range are the y values

8 0

2 years ago