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Natasha2012 [34]
3 years ago
5

Answer my question if you get it right i will mark you brainliest or what ever when 2 people answer.

Mathematics
2 answers:
Phantasy [73]3 years ago
8 0
These go in order to your pics ok.
A=3.6
g=32
x=-70
andrew-mc [135]3 years ago
3 0
Hey!


QUESTION #1

The first step to solving this equation would be to switch the sides of the equations. Doing this will make the equation much more easier to read and solve.

<em>Original Equation :</em>
5.4 = a - ( -1.8 )

<em>New Equation {Changed by Switching Sides} :</em>
a - ( -1.8 ) = 5.4

Next we'll have to simplify the equation. This will get rid of the any negatives in the equation.

<em>Old Equation :</em>
a - ( 1.8 ) = 5.4

<em>New Equation {Changed by Applying Rule} :</em>
a + 1.8 = 5.4

Now we'll add subtract 1.8 from both sides of the equation to get 1.8 on its own.

<em>Old Equation :</em>
a + 1.8 = 5.4

<em>New Equation {Added Subtract 1.8} :</em>
a + 1.8 - 1.8 = 5.4 - 1.8

<em>Solution {New Equation Solved} :</em>
a = 3.6

<span><em>So, this means that in the equation 5.4 = a - ( -1.8 ),</em></span>  a = 3.6.

QUESTION #2

The first step to solving this equation would be to simplify it. This will get rid of the two negatives in the equation.

<em>Original Equation :</em>
g + ( -5 ) = 27

<em>New Equation {Changed by Simplification} :</em>
g - 5 = 27

Now we'll add five to both sides of the equation to get g on its own.

<em>Old Equation :</em>
g - 5 = 27

<em>New Equation {Added Add 5 to Both Sides} :</em>
g - 5 + 5 = 27 + 5

<em>Solution {New Equation Solved} :</em>
g = 32

<em>So, this means that in the equation g + ( -5 ) = 27</em>,  g = 32.

QUESTION #3

The first and basically the only step to solving this equation would be to subtract 47 from both sides of the equation. This would give us x on its own.

<em>Original Equation :</em>
x + 47 = -23

<em>New Equation {Added Subtract 47 to Both Sides} :</em>
x + 47 - 47 = -23 - 47

<em>Solution {New Equation Solved} :</em>
x = -70

<em>So, this means that in the equation x + 47 = -23</em>,  x = -70.

Hope this helps!


- Lindsey Frazier ♥
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Determine which equations have the same solution set as StartFraction 2 Over 3 EndFraction minus x plus StartFraction 1 Over 6 E
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Answer:

A, B, F

Step-by-step explanation:

2/3 - x + 1/6 = 6x

Collect like terms

2/3 + 1/6 = 6x + x

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5/6 = 7x

x = 5/6 ÷ 7

= 5/6 × 1/7

x = 5/42

a) 4 - 6x + 1 = 36x

4 + 1 = 36x + 6x

5 = 42x

x = 5/42

Equivalent to the last step of the simplification above

b) 5/6 - x = 6x

5/6 = 6x + x

5/6 = 7x

This is equivalent to the third step of the simplification

c) 4 - x + 1 = 6x

4 + 1 = 6x + x

5 = 7x

x = 5/7

Not equivalent to any of the steps in the simplification above

d) 5/6 + x = 6x

5/6 = 6x - x

5/6 = 5x

x = 5/6 ÷ 5

= 5/6 × 1/5

x = 5/30

Not equivalent to any of the steps in the simplification above

e) 5 = 30x

x = 5/30

Not equivalent to any of the steps in the simplification above

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Equivalent to the last step of the simplification above

4 0
3 years ago
71 points I need the right answer please and brainlest A cube is shown below.
klio [65]

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Step-by-step explanation:

hope this helps

6 0
3 years ago
Read 2 more answers
will the inequality "7 multiplied by a number is greater than or equal to 21" have an open boundary point or a closed boundary p
ehidna [41]

Answer:

Closed boundary point

Step-by-step explanation:

It says greater than OR equal too and having a closed boundary will indicate that 21 is apart of the inequality also.

I hope this helps

5 0
3 years ago
In △ABC, point D∈AC
Maslowich
<h3>Answer:</h3>
  • ABDC = 6 in²
  • AABD = 8 in²
  • AABC = 14 in²
<h3>Explanation:</h3>

A diagram can be helpful.

When triangles have the same altitude, their areas are proportional to their base lengths.

The altitude from D to line BC is the same for triangles BDC and EDC. The base lengths of these triangles have the ratio ...

... BC : EC = (1+5) : 5 = 6 : 5

so ABDC will be 6/5 times AEDC.

... ABDC = (6/5)×(5 in²)

... ABDC = 6 in²

_____

The altitude from B to line AC is the same for triangles BDC and BDA, so their areas are proportional to their base lengths. That is ...

... AABD : ABDC = AD : DC = 4 : 3

so AABD will be 4/3 times ABDC.

... AABD = (4/3)×(6 in²)

... AABD = 8 in²

_____

Of course, AABC is the sum of the areas of the triangles that make it up:

... AABC = AABD + ABDC = 8 in² + 6 in²

... AABC = 14 in²

6 0
3 years ago
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