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Ainat [17]
3 years ago
12

Find the value of x.

Mathematics
2 answers:
zubka84 [21]3 years ago
8 0

Look at the image.

So they are supplementary angles.

x + 146 = 180 \\  \\ x = 34

Mars2501 [29]3 years ago
7 0

Answer:

x = 34

Step-by-step explanation:

x and 146 are supplementary angles so they add to 180 degrees

x+146 = 180

Subtract 146 from each side

x+146-146= 180-146

x =34

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Read 2 more answers
Gabby and Sydney bought some pens and pencils. Gabby bought 4 pens and 5 pencils for $6.71. Sydney bought 5 pens and 3 pencils f
denpristay [2]

Answer:

The cost of each pens is $1.19

The cost of each pencils is $0.39

Step-by-step explanation:

Given as :

The number of pens bought by Gabby = 4

The number of pencils bought by Gabby = 5

The number of pens bought by Sydney = 5

The number of pencils bought by Sydney = 3

The total cost of Gabby items = $6.71

The total cost of Sydney items =$7.12

Let The cost of each pens = x

And The cost of each pencils = y

Now, According to question

For Gabby

4 x + 5 y = $6.71           .............1

For Sydney

5 x + 3 y = $7.12           .............2

Now, Solving both equations

5 × (4 x + 5 y) - 4 × (5 x + 3 y) = 5 × 6.71 - 4 × 7.12

Or, 20 x + 25 y - 20 x - 12 y = 33.55 - 28.48

Or, (20 x - 20 x) + (25 y - 12 y) = 5.07

or, 0 + 13 y = 5.07

∴ y = \frac{5.07}{13}

I.e y = $0.39

So, The cost of each pencils = y = $0.39

Again , put The value of y in eq 1

I,e 4 x + 5 y = $6.71    

Or, 4 x + 5 × 0.39 = 6.71

or, 4 x + 1.95 = 6.71

or, 4 x = 6.71 - 1.95

or , 4 x = 4.76

∴  x = \frac{4.76}{4}

I.e x = $1.19

The cost of each pens = x = $1.19

Hence The cost of each pens is $1.19

And The cost of each pencils is $0.39   Answer

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3 years ago
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Answer:

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3 years ago
Gina is painting the rectangular tool chest shown in the diagram
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Answer:

2,880

Step-by-step explanation:

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<em>Hopes This Helps :)</em>

6 0
3 years ago
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