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Arte-miy333 [17]

3 years ago

8

How do i find the volume of the last one? density= 2.7g/cm^3 mass= 0.85g

1 answer:

Liula [17]3 years ago

4 0

You do mass divided by density

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Find the sum<br> X-2<br> X+3<br> +<br> 2x+ 1<br> 2x²+2<br> x<br> +<br> 1<br> 2x+1<br> x2 +1

Aliun [14]

Answer:

$\huge\red{ \bold{\frac{2x + 1}{ {x}^{2} + 1} }}$

Step-by-step explanation:

$\frac{x - 2}{ {x}^{2} + 1} + \frac{x + 3}{ {x}^{2} + 1} \\ \\ = \frac{x - 2 + x + 3}{ {x}^{2} + 1} \\ \\ = \frac{2x + 1}{ {x}^{2} + 1} \\ \\ \red{ \bold{\therefore \: \frac{x - 2}{ {x}^{2} + 1} + \frac{x + 3}{ {x}^{2} + 1}}} \blue{ \bold{ = }} \purple{ \bold{\frac{2x + 1}{ {x}^{2} + 1} }} \\$

5 0

3 years ago

ILL GIVE THE BRAINLIEST pls help me with this question EVERYTHING IS IN THE PICTURE PLS HELP DUE TODAY IF YOU PUT A WRONG ANSW

Blababa [14]

Answer:

186.2 in^2

Step-by-step explanation:

7*9.5*2.8=186.2

7 0

3 years ago

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IrinaVladis [17]

Answer:

Step-by-step explanation7:

7 0

3 years ago

Tom wants new carpeting for his bedroom. His room is a 9 meters by 7 meters rectangle.

svetlana [45]

Answer:

He needs 63 square meters of carpeting

Step-by-step explanation:

9 * 7 = 63

7 0

3 years ago

(10b-2)-3(3b+3)=-7 thank you plz hurry show steps

ryzh [129]

Answer:

$b=4$

Step-by-step explanation:

$10b-2-3(3b+3)=-7\\\Leftrightarrow 10b-9b-9=-5\\\Leftrightarrow b=4$

6 0

3 years ago