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sweet [91]
3 years ago
14

Solve for x, in the picture below

Mathematics
2 answers:
MrRissso [65]3 years ago
8 0
<h3>Given:</h3>

angle CED = 45°

angle EDC = x

angle DCE = 2x

<h3>To Find:</h3>

The value of x.

<h3>Angle Sum Property:</h3>

The sum of all the Interior Angles of a triangle is 180°.

<h3>Solution:</h3>

x + 2x + 45° = 180°

or, 3x = 180° - 45°

or, 3x = 135°

or, x = 135/3 = 45°

<h2>Answer:</h2>

The value of x is 45°.

Romashka [77]3 years ago
8 0

Answer:

x = 45

Step-by-step explanation:

CDE + CDE + CED =180°

x + 2x + 45 = 180

3x = 135

x = 45

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13 cars are parked in a parking lot. each car has four tires. if seven of the tires are damaged then him many tires are in the p
malfutka [58]

Answer:

45

Step-by-step explanation:

13 x 4 = 52

13 represents # of cars

4 represents tires per car

52 represents total tires

52 tires - 7 damaged tires = 45 undamaged tires

4 0
3 years ago
Read 2 more answers
29.
just olya [345]
An apothem is a line drawn from the centerpoint of the polygon to one side of the polygon. There is a formula for area in terms of apothem:

A = (1/2)*(Perimeter)*(Apothem)

The perimeter of the regular hexagon is just the length of one side multiplied with the number of sides. Since a hexagon has 6 sides,

P = 6(15) = 90in

A = 1/2 * 90 * 13
A = 585 square inches
8 0
3 years ago
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simplify square root of 150 a. 5* square root of 6 b. 6* square root of 5 c. 26* square root of 6 d. 36* square root of 5
expeople1 [14]
\sqrt{150}=\sqrt{25\cdot6}=\sqrt{25}\cdot\sqrt6=\boxed{5\sqrt6}\to\fbox{a.}
7 0
3 years ago
WILL MARK BRAINLIEST!! PLEASE HELP ASAP.
Rudiy27

Answer:

I think this is the answer I hope this can help you

Step-by-step explanation:

1) 3 gallons=36 miles

16 gallons=?

so it will be

36 \times 16 = 576

576 \div 3 =  192

or you can do like this

1 gallons=12 miles so if 16 gallons multiply with 12 it will be 192

2)2 hours=$28.50

? =$99.75

so it will be

99.75 \times 2 = 199.5

199.50 \div 28.50 = 7

so it will be 7 hours

3) 4.5 km= 5 hours

? =60 hours

60 \times 4.5 = 270

270 \div 5 = 54

the answer will be 54 kilometer

4) $9.60=3cm

$22.40=?

22.40 \times 3 = 67.20

67.20 \div 9.60 = 7

7 cm

5) $145.50=50 miles

$552.90=?

552.90 \times 50 =27645

27645 \div 145.50 = 190

190 miles

6)$239.85=359

$1.95=?

359 \times 1.95 = 700.05

700.05 \div 239.85 = 2.92

2.92 liter

7)

220=60 hours

?=3 hours

220 \times 3 = 660

660 \div 60 = 11

11 miles

8)1 gallon= $17.50

8.2 gallon=?

17.50 \times 8.2 = 143.50

$143.50

9)7cm=2 minute

? =13 minute

13 \times 7 = 91

91 \div 2 = 45.5

45.5 cm

10)17=4 acres

? =244 acre

244 \times 17 = 4148

4148  \div 4 = 1037

1037 kg

11) 1= $2.85

4.4=?

2.85 \times 4.4 = 12.54

$12.54

12)

$2.50=5 oz

$32.50=?

32.50 \times 5 = 162.50

162.50  \div 2.50 = 65

65 oz

5 0
3 years ago
-8x – 14 = 7(-2 - 4x) + 4x<br> what is
Andru [333]

Answer:

<h2>x = 0</h2>

Step-by-step explanation:

-8x-14=7(-2-4x)+4x\qquad\text{use the diastributive property}:\ a(b+c)=ab+ac\\\\-8x-14=(7)(-2)+(7)(-4x)+4x\\\\-8x-14=-14-28x+4x\qquad\text{add 14 to both sides}\\\\-8x-14+14=-14+14-24x\\\\-8x=-24x\qquad\text{add}\ 24x\ \text{to both sides}\\\\-8x+24x=-24x+24x\\\\16x=0\qquad\text{divdie btoh sides by 16}\\\\\dfrac{16x}{16}=\dfrac{0}{16}\\\\x=0

8 0
3 years ago
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