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4 years ago

A rectangular block of copper metal mass is 1896 g. The dimensions of the points

Mathematics

1 answer:

vagabundo [1.1K]4 years ago

8 0

Answer:

8.921513269...g/cm

Step-by-step explanation:

the density has this formula: D= m/V

so to solve the V, which refers to volume, you do: 8.4×5.5×4.6= 212.52, and the m, which refers to mass, you already have it. So the last thing to do is:

D= 1896g/212.52= 8.921513269...g/cm

I hope I've been helpful... good luck...!!!

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Two opposite sides of a parallelogram measure 5n-11 and 2n +22. Find the length of

TiliK225 [7]

Answer:

Both sides are 44

Step-by-step explanation:

5n - 11 = 2n + 22

5n - 2n = 22 + 11

3n = 33

n = 11

First Side

5n - 11 = 5 (11) - 11 = 55-11 = 44

Second Side

2n + 22 = 2 (11) + 22 = 44

5 0

2 years ago

Find angle prq<br>please solve this

Mnenie [13.5K]

Answer:

∠ PRQ = 55°

Step-by-step explanation:

The angle subtended at the centre by an arc is twice the angle subtended at the circumference by the same arc, thus

∠ PQR = 0.5 × 110° = 55°

6 0

3 years ago

If length and width of a rectangle are in the ratio 4 to 5 and the perimeter of the rectangle is 144, find the dimensions of the

beks73 [17]

144/2=72
72/9=8
8×4=32
8×5=40
therefore 32 and 40

6 0

4 years ago

Which expression completes the statement to form a true inequality?

Alexeev081 [22]

we are supposed to find

The expression that completes the statement to form a true inequality

$3+6^2$

Here $3+6^2=3+36=39\\$

So the given inequality to be true the value of the option(s) should me bore than 39

First option: $3^3 + 12=27+12=39$

As its not more than 39. Hence its not the correct option.

Second Option : $5^2 + 4^2=25+16=41\\$

Hence this is the correct option so,

$3+6^2$

Third Option: $2^3 + 5^2 + 6=8+25+6=39\\$

As its not more than 39. Hence its not the correct option.

Fourth Option: $2^3 + 14 +17=8+ 14 +17=39\\$

As its not more than 39. Hence its not the correct option.

8 0

3 years ago

Just one or four please help ..

eduard

For num 4 the answer to six is 22 the reason is this formula so write this down for n aswell
n(n+1)/2+1 the example could be as we know for 1 cut we always will have 2 slices so 1(1+1)/2+1 is 2 and for 6 cuts 6(6+1)/2+1 is 22 therefore the answer to 6 cuts is 22 and to n cuts is the formula n(n+1)/2+1

7 0

4 years ago