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cestrela7 [59]
3 years ago
11

Use the drop-down menus to complete each equation so the statement about its solution is true

Mathematics
2 answers:
wolverine [178]3 years ago
8 0

6x + 9
I am pretty sure that would be the answer.
Kaylis [27]3 years ago
5 0

Answer:

<u>No solution:.</u>

We get a no solution when the linear equality give some absurd results.

Hence, let us suppose we write the given equality as:

2x+9+3x+x=6x+10

since,

on solving this equality we get:

2x+3x+x+9=6x+10  ( on combining like terms in the left hand side of the equality)

6x+9=6x+10  

6x-6x=10-9  ( on taking the variable terms to one side of the equation and constant term to other side)

0=1

which is absurd.

Hence, we get a No solution.

<u>One solution:</u>

one solution means that on solving the linear equality we get a unique value for our variable x and hence the solution is also called a unique solution.

We will write our equation as:

2x+9+3x+x=2x+17

on solving:

2x+3x+x+9=2x+17

6x+9=2x+17

6x-2x=17-9

4x=8

x=2.

Hence, we get a unique solution.

<u>Infinitely many solution:</u>

Infinite many solution means that the equation will hold true for infinitely many values of 'x' i.e we do not get a unique value.

so,

2x+9+3x+x=6x+9

2x+3x+x=6x+9

6x+9=6x+9

6x-6x=9-9

0=0

Hence, we can get infinite values or our x.

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Jerry started a used parts establishment. He marked up the items 30 percent of the purchase price. If one item sold for $715, wh
jek_recluse [69]

Answer:

Jerry paid $500.50.

Step-by-step explanation:

30 / 100 = 0.3

0.3 x 715 = 214.5

715 - 214.5 = 500.5

round to the nearest hundredth

3 0
2 years ago
john currently has enough money to buy 45 books. If the cost of each book was 10 cents less.john could buy 5 more books. How muc
SVEN [57.7K]
Let the cost of one book= x cents
Let the money john have= y cents

According to the question,

45x=y                                               ...eq(1)
(45+5)(x-5)=y                                  
50(x-5)=y                                         
50x-250=y                                        ...eq(2)

On subtracting (1) from (2).
(50x-250)-45x=y-y
5x-250=0
x=250/5
x=50

Thus, cost of each book is 50 cents and john has 2250 cents.

Hope it helps.
Don't feel shy in saying thx if it helps.


4 0
3 years ago
(x+5)(x+1)+(x+5)(x+8)
gtnhenbr [62]

Answer:

2x² + 19x + 45

Step-by-step explanation:

(x + 5)(x + 1) + (x + 5)(x + 8) ← expand both sets of factors using FOIL

= x² + 6x + 5 + x² + 13x + 40 ← collect like terms

= 2x² + 19x + 45

5 0
2 years ago
In your math journal, reflect on why cereal is currently packaged using a rectangular prism. What would be the advantages and di
Whitepunk [10]
A rectangular prism has a lot of volume. Volume is the amount of scpace the cereal can go.
4 0
3 years ago
Please help to solve it step by step, (show working) please help me
ANTONII [103]
I'm assuming you only need the first triangle. You didn't specify. If you need it after I answer the first one I'll be happy to help though.

To find the area of a triangle you go b(h)/2=a

6cm(3cm)/2
18/2
Area=9

To find the perimeter you add all of the sides together.

4+4+6=P
4+10=P
14= Perimeter
7 0
3 years ago
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