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andrezito [222]
3 years ago
12

If 2x=-14,what is the value of x

Mathematics
2 answers:
Romashka [77]3 years ago
8 0

Answer:

x=-7

Step-by-step explanation:

borishaifa [10]3 years ago
7 0

Answer:

The answer would be 7

Step-by-step explanation:

2x = 14, so you divide 2 on each side, 14 divided by two is 7, so x= 7

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In quadrilateral QRST, Angle R S T measures (5x+15)°. Angle TQR measures (4x+3)°. Circle P is inscribed with quadrilateral Q R S
Assoli18 [71]

Answer:

105degrees

Step-by-step explanation:

Using the theorems that states that the sum of the opposite side of the quadrilateral is 180degrees, hence;

<RST + <TQR = 180

5x+15 + 4x+ 3 = 180

9x + 18 = 180

9x = 180 - 18

9x = 162

x = 162/9

x = 18

Since <RST = 5x+15

<RST = 5(18) + 15

<RST = 90 + 15

<RST = 105degrees

Hence the measure of <RST is 105degrees

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3 years ago
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If 20 is one third of a number the result is the double of the number. what is the number?
PSYCHO15rus [73]

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Step-by-step explanation:

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2 years ago
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In a school of 50 students 35 are girls find the percentage of boys in the school​
Sati [7]

Answer:

<h3>30%</h3><h3>Step-by-step explanation:</h3>

No. of boys = 50 - 35

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=> 30%

So, the percentage of boys in the school is 30%

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7 0
3 years ago
9) Find the equation of a mirror line to the points Q (1,2) and Q1 (-1,2)<br><br>​
Harman [31]

Answer:

x = 0

Step-by-step explanation:

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Q is 1 unit to the right of the y- axis and Q1 is 1 unit is 1 unit to the left of the y-axis, thus

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