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Korvikt [17]
3 years ago
7

7x=5+5x x equals what

Mathematics
1 answer:
dybincka [34]3 years ago
3 0

7x=5+5x

x=5/2

It could also be 2 1/2

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Derek uses a 136 cm flat steel bar that weighs 4 kg to make rack in the garage. Determine the weight of a 170 cm steel bar
Bumek [7]

The weight of a 170 cm steel bar will be 5 Kg

Step-by-step explanation:

Derek uses a 136 cm flat steel bar that weighs 4 kg to make rack in the garage.

1 kg = 1000 gm

So the weight of 1 cm steel bar will be  \frac{4 }{136} kg

Weight of 1 cm bar = \frac{4000}{136} gm

Let the weight of a 170 cm steel bar will be \frac{4000 }{136} × 170 gm

⇒4000 × 1.25 gm

⇒ 5000 gm

⇒5 kg

Hence, the weight of a 170 cm steel bar will be 5 Kg

4 0
3 years ago
Find the volume of a right circular cone that has a height of 10.3 cm and a base with a diameter of 8.9 cm. Round your answer to
vampirchik [111]

Answer:

Step-by-step explanation:

4 0
3 years ago
Write 18z − 7 (−3 + 2z) in simplest form. Select True or False for each statement.
vfiekz [6]

Answer:

Simplest form = 4<em>z </em>+ 21

Case 1: True, Case II: false and Case III: true

Step-by-step explanation:

18<em>z </em>- 7( -3 + 2z)

= 18<em>z</em> + 21 - 14z

= 18<em>z</em> -14z + 21

= 4<em>z </em>+ 21

So, in the above expression we have two terms. First term is 4z and second term is 21.

So the first case is true. As the expression has two terms.

The coefficient of <em>z </em>is a number which is multiplied by <em>z</em>. Therefore, Second case is false as the coefficient of <em>z</em> is 4.

The constant is a number which is not multiplied by any variable. Therefore, third case is true as the constant number in above expression is 21.

8 0
3 years ago
Kent drank
inessss [21]

Answer: 1 5/12

Because 2/3 + 3/4 = 17/12, if you simplify that it would be 1 5/12

7 0
2 years ago
Any help If possible Thank you :)
saveliy_v [14]
462 cm^2

Hope this helped.
6 0
3 years ago
Read 2 more answers
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