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Rina8888 [55]
4 years ago
14

!!!!!!!!!PLZ HELP!!!!!!!!!

Mathematics
1 answer:
aivan3 [116]4 years ago
7 0
A decagon has 10 sides therefore it has 10 interior angles
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Please help me for solve x
dlinn [17]

Answer:

X =6

Step-by-step explanation:

Angles on a straight line add up to 180°

180-110=70

The 70° is the same on the angles above

70+8+17x=180

180-70=110

110-8=102

102/17=6

X=6

3 0
3 years ago
Can someone help me figure out number 5 and determine what it’s sequence is and common ratio is if there is one
nadezda [96]

Answer:

Well, it keeps going down in 15s, so I'm guessing it's a geometric sequence. I wouldn't know about common ratio though...

6 0
3 years ago
If the radius of a circle is 15, what will be the area of the circle?
yarga [219]

Answer:

751.124

Step-by-step explanation:

area of a cricle is

πr^2

take π to be 22÷7

A= πr^2

A=22÷7*15*15

A=22÷7*225

7 divides 225

= 34.142

22*34.142

A= 751.124

8 0
3 years ago
3=-1.5n<br><br> pls help me (Solving Equations using Multiplication or Division)
motikmotik

Answer:

n = -2

Step-by-step explanation:

Step 1: Write equation

3 = -1.5n

Step 2: Divide both sides by -1.5

n = -2

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

3 = -1.5(-2)

3 = 3

7 0
3 years ago
Read 2 more answers
The low temperature for the morning is -3.9°F. If the temperature rises to 24°F in the afternoon, what is the change in temperat
SVETLANKA909090 [29]

Answer:20.1 will be the temp

Step-by-step explanation:

All you do is add -3.9 and 24 together to get your answer

3 0
3 years ago
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