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dybincka [34]
3 years ago
5

For each formula,rearrange so a is by itself:

Mathematics
1 answer:
vichka [17]3 years ago
6 0

Step-by-step explanation:

a) 6-9b=3a

First:Subtract

3b=3a

Second: Devide

3b/3a

=(3÷3)(b÷a)

=1b/a

= b/a

B) 6b+2a=3a

First:Transpose (Group the like terms. signs will change.)

-3a+2a=-6b

=-1a=-6b

Second:Divide

=-1a/-6b:(-1÷-6)(a÷b)

=1a/6b

=a/6b

C)a/3=b+2

First: Transpose

a=3+2+b

=a/6+b

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SHOW WORK NEED ASAP
Semenov [28]

Answer:

rectangular tables

Step-by-step explanation:

x: how many tables

a) 49x/49=800/49

x=16.3

so roughly 16 tables

b) 64x/64=800/64

x= 12.5

so roughly 12(you round to nearest even number when it is .5)

c) Now we will calcuate how many people will fit using the number of fitting capacity

=16 (8)

128

=12(12)

=144

Therefore, the rect tables will fit more people

8 0
3 years ago
What is the slope of the line represented by the equation y = -1/2x+ 1/4​
kolbaska11 [484]

Answer:

y = mx+ b

m=slope

-1/2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Mia is calculating the volume of the cylinder below using the following work. A cylinder with height of 47 meters and diameter o
inn [45]

Mia’s first error was " she forgot to multiply π by (17.5)²(47) "

Step-by-step explanation:

The formula of the volume of a cylinder is V = π r² h, where

  • r is the radius of the base of the cylinder
  • h is the height of the cylinder

∵ The diameter of the base of the cylinder is 35 meters

∵ The radius = \frac{1}{2} × diameter

∴ The radius = \frac{1}{2} × 35 = 17.5 meters

∴ r = 17.5

∵ The height of the cylinder = 47 meters

∴ h = 47

- Substitute r and h in the formula of the volume

∴ V = π (17.5)²(47)

∵ Mai's first step is V = (17.5)²(47)

- She forgot to put π

∴ Her first error is she forgot to multiply π by (17.5)²(47)

Mia’s first error was " she forgot to multiply π by (17.5)²(47) "

Learn more:

You can learn more about the volume in brainly.com/question/6443737

#LearnwithBrainly

3 0
4 years ago
Read 2 more answers
Can u explain me this question pls
IgorC [24]
Sorry I forgot about that
6 0
3 years ago
Find the area of the figure.
Kruka [31]
Divide the shape into a rectangle and a triangle.

A(rectangle) = bh
A = 8*3
A = 24

A (triangle) = (bh)/2
A = (3*3)/2
A = 4.5

24 + 4.5 = 28.5
8 0
3 years ago
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