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aleksley [76]
3 years ago
7

9 times a number increased by 2

Mathematics
2 answers:
sladkih [1.3K]3 years ago
5 0

Answer:

9x + 2

Step-by-step explanation:

Because you are multiplying an unknown number by 9, it would be considered 9*x or 9x.

Then, you add 2, because when you increase in math, you are adding.

Therefore, the final product is 9x + 2.

d1i1m1o1n [39]3 years ago
3 0
Factssssssssssssss^^^^^
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The mass of a sheet of metal varies jointly with its area and its thickness. A sheet of metal of area 250cm2 and thickness 1mm h
noname [10]

The Formula of the relation is M = 8AT.

The mass of the metal sheet is 960 g.

The expression below shows the variation between the mass of the sheet (M), Area of the Sheet(A), and thickness (T).

Proportionality:

  • M ∝ AT

Removing the proportionality sign,

  • M = KAT

Where:

  • K = constant of proportionality.

make K the subject of the equation:

  • K = M/KT.................... Equation 1

From the question,

Given:

  • M = 200 g
  • A = 250 cm²
  • T = 1 mm = 0.1 cm

Susbtitute into equation 1

  • K = 200/(250×0.1)
  • K = 8 g/cm³

Formula:

  • M = 8AT................. equation 2

Hence the formula of the relation is M = 8AT

If,

  • A = 400 cm²
  • T = 3 mm = 0.3

Substitute these values into equation 2

  • M = 8(400)(0.3)
  • M = 960 g

Hence,  the mass of the metal sheet is 960 g

Learn more about joint variation here: brainly.com/question/26047253

6 0
2 years ago
Find the volume of the sphere with 3ft
Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

V=4/3πr^3

V=1.333×3.14×27ft

V=113.04ft

5 0
3 years ago
What is the value of x?
aev [14]

x= 18

let me show you the workout

6x+1+12x-5=32

Combine like terms .Combine 6x+12=18x

18x-4=32 Subtract -4 from 32

18x=36 Divide by 18 and

X=16

Hoped this helped Im not sure if this is right

8 0
3 years ago
If y varies directly as x and y=288 when x=16 determine the value of y when x-13
Ray Of Light [21]
Y = kx is the direct variation equation
Substitute the x and y that are given to find k then write your new equation in terms of y with the k.

288 = k(16) divide by 16 to find k
18 = k
Now write the new equation
y = 18x

y = 18(13) or y = 18(-13) I'm not sure by what you have typed if that is supposed to be and equal sign or a negative.
y = 234 OR y = -234
5 0
3 years ago
A triangle is to be dilated with a scale factor of 3.6. If a side of the original triangle is 8, what is the measure of a side o
BlackZzzverrR [31]
What you want to do in dilation is multiply the side(s) by the scal factor to get the measurements of the new shape. in this case multiply 8 by 3.6 to get the new side length of 28.8
3 0
3 years ago
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