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larisa [96]
2 years ago
13

Find x (in degrees) in the following quadrilateral.

Mathematics
1 answer:
Ber [7]2 years ago
5 0

Answer:

x = 110°

Step-by-step explanation:

The sum of the interior angles in a quadrilateral is 360°. This means:

x + x + x - 30 + 1/2x + 5 = 360° - we can simplify this

3 1/2x - 25 = 360° - now add 25 to both sides

3 1/2x = 385 - finally divide both sides by 3 1/2

x = 385 ÷ 3.5 = 110

x = 110°

Hope this helps!

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7th question help please
vaieri [72.5K]
Surface area of the pyramid= 4*(area of the triangle) + area of the square

Area of the triangle = (1/2)*base*height=(1/2)*5*5= 25/2 in²
Area of the square = 5*5 =25 in²

Surface area of the pyramid = 4*(25/2) + 25=2*25 + 25=75 in²
3 0
3 years ago
Read 2 more answers
An illusionist needs up to 10 volunteers for a show. the illusionist needs no fewer than 4 female volunteers. let x represent th
tatyana61 [14]
An illusionist needs up to 10 volunteers for a show. the illusionist needs no fewer than 4 female volunteers. let x represent the number of femalevolunteers and y represent the number of male volunteers.which inequalities model the situation?select each correct answer.

A- x + y < 10 
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G- y ≥ 0

Solution :
option "B" is correct. Because the total number of male and female should be upto 10. and the number of female should be equal or greater than 4 but not less than it. 
4 0
3 years ago
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If it takes hodshi walks 10 meters in 3 seconds how long will it take to walk 100 meters​
kotykmax [81]

Answer:

30 seconds

Step-by-step explanation:

10x10=100 3x10=30

3 0
3 years ago
Determine whether the function has a maximum or minimum value. <br> f(×)= x^2+9
PtichkaEL [24]
f(x)= x^2+9\\\\for\ each\ x\in R\\\\x^2 \geq 0\ \ \ \Rightarrow\ \ \ x^2+9 \geq 9\ \ \ \Rightarrow\ \ \ f(x) \geq 9\\\\y_{min}=9\\ y_{max}\ \ \ \rightarrow\ \ \ not\ exist
3 0
3 years ago
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Ierofanga [76]

Answer:

A) 2/15

Step-by-step explanation:

So just divide it normally, do keep change flip

2/3*1/5

2/3 keep

divison change

Denomeinator, flip it, 5 to 1/5

now multiply

2/15

5 0
3 years ago
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