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iVinArrow [24]
3 years ago
14

I really need help figuring out what x and y are

Mathematics
1 answer:
Evgen [1.6K]3 years ago
4 0

Answer:

x = 44, y = 37

Step-by-step explanation:

∠1 and ∠ 4 are adjacent angles and are supplementary, thus

3x + 4 + x = 180

4x + 4 = 180 ( subtract 4 from both sides )

4x = 176 ( divide both sides by 4 )

x = 44

------------

∠ 1 and ∠ 3 are vertical angles and congruent, thus

4y - 12 = 3x + 4 = 3(44) + 4 = 132 + 4 = 136 ( add 12 to both sides )

4y = 148 ( divide both sides by 4 )

y = 37

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Which ordered pairs are in the solution set of system of linear inequalities?
astra-53 [7]

Answer:

Option (3)

Step-by-step explanation:

There are two inequalities graphed in the figure attached.

1). Solid line having shaded above the solid line (passing through origin) will be represented by the equation,

y\geq -\frac{1}{2}x

2). Another dotted line having shaded area below the line will be represented by the inequality,

y

Common shaded area of these inequalities will be the solution area.

All the ordered pairs lying in this area will be the answer.

In the given options,

Ordered pairs given in Option (3) lie in the common shaded area.

8 0
3 years ago
find the area of the circle .Leave your answer in terms of pie (3.14) the area is 4.1m .I need help on this question
Brrunno [24]
The area of a circle = pi x radius^2. If the area is 4.1m, then to transfer that into terms of pi you would simply divide 4.1 by pi. Pi is infinite, but is typically simplified to 3.14, 4.1/3.14 = 1.31. So the area in terms of pi is 1.31 x pi.
8 0
3 years ago
Read 2 more answers
A clothes shop has some special offers. T-shirts are buy one get one free and jumpers are 3 for 2. The normal price of a T-shirt
zavuch27 [327]

Answer:

£53.40

Step-by-step explanation:

The shop has an offer where you:

buy 1 T-shirt and get 1 free

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This means if a person pays for 1 T-shirt, he/she gets two and if he/she pays for 3 jumpers, he/she gets 5.

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1 T- shirt costs £4.80, therefore, 2 will cost:

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1 jumper costs  £14.60, therefore, 3 will cost:

3 * 14.60 = £43.80

Therefore, the customer will sped a total of:

43.80 + 9.60 = £53.40

The customer will pay £53.40 to get 5 jumpers and 4 T-shirts using this offer.

7 0
3 years ago
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a_sh-v [17]
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8 0
3 years ago
Let f(x) = 3 x 2+1, find f(2)
Amanda [17]
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13
8 0
3 years ago
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