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KatRina [158]
3 years ago
5

-3x=6.3 what is x value

Mathematics
2 answers:
Inga [223]3 years ago
7 0

Answer:

x=-2.1

Step-by-step explanation:

1. Solve the equation using division

\frac{-3}{-3} x=\frac{6.3}{-3}

2. Solve equation

x=-2.1

3. Check answer

-3(-2.1)=6.3\\6.3=6.3

muminat3 years ago
3 0

Answer:

-2.1 so you divide 6.3 and -3 and then boom that your answer

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A cone has a diameter of 6 cm and a height that is 3 times the diameter. Using 3.14 for pi, which of the following can be used t
Zinaida [17]

Option A: 1/3(3.14)(3cm)^2(18cm) is the correct answer

Step-by-step explanation:

Given

Diameter of Cone = d = 6 cm

Radius will be:

r = d/2 = 6/2 = 3 cm

Height of cone = h = 3d = 18 cm

The volume of cone is given by:

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V = \frac{1}{3} (3.14)(3)^2(18)

Hence,

Option A: 1/3(3.14)(3cm)^2(18cm) is the correct answer

Keywords: Volume, cone

Learn more about volume at:

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  • brainly.com/question/11207748

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4 0
3 years ago
A number is multiplied by 20, and that product is added to 5. The sum is equal to the product of 5 and 13.
liubo4ka [24]

Answer:

x = 3

Step-by-step explanation:

First, you will pick the first equation :

(x*20)

Then the next,

(x*20) + 5

Then the last equation,

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Then you solve

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x = 3

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3 years ago
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