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seropon [69]
3 years ago
12

Can someone help? Question above. Thank you!

Mathematics
2 answers:
Goryan [66]3 years ago
7 0
Might be steel there
Alchen [17]3 years ago
4 0

Answer:

<em>definitely not steel</em>

Step-by-step explanation:

density = mass/volume

density = (9.6 kg)/(1430 cm^3)

density = 0.006713 kg/cm^3

0.006713 kg/cm^3 * [(100 cm)^3]/(1 m)^3 = 6713 kg/m^3

Since 6713 kg/m^3 is not in the range of densities of steel, this is definitely not steel.

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FIRST PERSON TO ANSWER GETS BRAINLIEST!!!!!!!!!!!!
Fynjy0 [20]

Answer:D

Step-by-step explanation:

6 0
2 years ago
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A rectangle is four times as long as it is wide. If its length were diminished by 6 meters and its width were increased by 6 met
valkas [14]

Answer:

Length equals 16 and Width equals 4

Step-by-step explanation:

First let us create an equation. We can use L and W for length and width.

If the length is 4 times the width, then we end up with: L = 4W

It then says, " If its length were diminished by 6 meters and its width were increased by 6 meters, it would be a square."

Since a square has an equal length and width then we end up with:

L - 6 = W + 6

Knowing this we can just substitute the first equation into the second one leaving us with: 4W - 6 = W + 6

We then remove a W from both sides so that the right side is left with a 6, and add 6 to both sides to remove the -6 from the left one.

This leaves us with 3W = 12

W = 4, and if we put that into our first equation, L = 4W, then Length equals 16, and Width equals 4. We can check this by putting it into the 2nd equation. 16 - 6 = 4 + 6.

7 0
1 year ago
What is the quotient of 1/2÷1/6=
Sphinxa [80]
1/2 <span>÷ 1/6 =

Divide fractions:

a x d /  b x c

 Therefore:

1 x 6 / 2 x 1 =

6 / 2 = 3

hope this helps!

</span>
3 0
3 years ago
Read 2 more answers
Sheronda travels around the world for her job. She traveled 1,356 miles last year. This year, her plans will require her to trav
Gala2k [10]

Answer:

24408

Step-by-step explanation:

Multiply every number by 8, then multiply every number by 10.

6 0
2 years ago
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Four boys weighed themselves in different pairs and alone. The weights of the pairs were 110 kg, 112 kg, 113 kg, 118 kg, 121 kg,
brilliants [131]

The lost pair of weight can be found by subtracting the a known pair from

the total weight leaving the value of the lost pair.

<u>The lost weight of a pair of boys is 120 kg</u>

Reasons:

Let <em>a</em>, <em>b</em>, <em>c</em>, and <em>d</em><em> </em>represent the weights of the four boys, we have;

The number of ways of selecting pairs (two boys) of boys from a group of

four is given using combination formula as follows;

_nC_r = \dfrac{n!}{r! \cdot (n - r)!}

Which gives;

_4C_2 = \dfrac{4!}{2! \cdot (4 - 2)!} = 6

₄C₂ = 6

Therefore, the weights of the pairs are;

a + b = 110

a + c = 112

a + d = 113

b + c = 118

b + d = 121

c + d = Lost weight

  • c + d = Lost weight

a + b + c + d = 230 (given)

Therefore;

The lost weight, c + d = 230 - (a + b)

Which gives;

c + d = 230 - (110) = 120

The lost weight = c + d = 120

  • <u>The lost weight = 120 kg</u>

Learn more here:

brainly.com/question/12974932

6 0
2 years ago
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