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Alexxx [7]
3 years ago
5

Solve for the value of x

Mathematics
2 answers:
elixir [45]3 years ago
7 0

Answer:

x = -5

Step-by-step explanation:

These are alternate exterior angles and alternate exterior angles are equal

110 = x+115

Subtract 115 from each side

110-115 = x+115-155

x = -5

Pavlova-9 [17]3 years ago
6 0

Answer:

x = -5

Explanation:

they are both alternate exterior angles which means that they are equal.

x + 115 = 110

110 - 115 = -5

x is -5

Check:

-5 + 115 = 110

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4+3 +3 + 10 + 5 = 25<br> What is the average value?
sergij07 [2.7K]

Answer:

There is 5 numbers (not including the sum/25)

The average is add up all the numbers and divide by amount of numbers

25/5=5

The average value is 5

Step-by-step explanation:

5 0
3 years ago
What is the sum of the first five terms of a geometric series with a1 =20 and r =1/4?
drek231 [11]
The sum of the first n terms in a geometric sequence given the first term (a1) and the common ratio (r) is calculated through the equation,

                            <span>Sn </span>= (<span><span><span>a1</span>(1−<span>r^n</span>) / (</span><span>1−r)

Substituting the known terms,
                           Sn = (20)(1 - (1/4)^4)) / (1 - 1/4)
                           Sn = 26.5625

Thus, the sum of the first four terms is 26.5625. </span></span>
5 0
3 years ago
Here is the last answers...
Zarrin [17]

Step-by-step explanation:

You are finding the whole

0.7 × 20 = 14

or

70% of 20 = 7/10 x 20 = 7/10 x 20/1 = 140/10

140/10

140/10 = 14/1

The minimum number of questions he need to do are 14

I'm not sure if you are finding the part or the whole

let me know if im wrong

5 0
2 years ago
Read 2 more answers
The question in the picture please help.
Iteru [2.4K]

Answer:

a

Step-by-step explanation:

because i got it right

7 0
2 years ago
Solve the equation for the variable.
Flura [38]
1/4x -2 = -6 + 5/12x
3x - 24 = -72 +5x
3x -5x = -72 +24
-2x = -48
x = 24
3 0
3 years ago
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