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Serga [27]
3 years ago
8

Find the value of X. 50° 90° 100°

Mathematics
1 answer:
Musya8 [376]3 years ago
6 0

Answer: 60 degrees

Step-by-step explanation:

add 90 50 and 100

= 240

Total of all interior angles should be 360

So 360-240=120

Straight line: 180 degrees

180-120=60

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Given: 3j+k/2=15-4k; Prove j=10-3k<br><br> And Given 5x-2y=x+14; Prove y=2x-7
baherus [9]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
Pentagon ABCDE is a regular polygon. The length of side BC is represented by 3x - 4. The length of side DE is represented by the
dimulka [17.4K]

Answer:

Length of side AB = 5

Step-by-step explanation:

A regular polygon is one in which all angles are equal and all the sides have the same length.

Now, it means that;

AB = BC = CD = DE = AE

We are told that BC is represented by 3x - 4 while DE is represented by the expression 4x - 9.

Thus, from equal length of sides of a regular polygon, we have;

3x - 4 = 4x - 9

4x - 3x = 9 - 4

x = 5

Thus, length of BC = 3(5) - 4 = 15 - 4 = 11

Therefore, Length of AB = 5

5 0
3 years ago
Jared's bus is late to school 20% of the time. If the bus transports students 20 days in march, how many days is the bus late ma
solong [7]

Answer:

The bus is late 4 times in March.

Step-by-step explanation:

Solving this problem is very easy, using this formula:

20(0.2) = times late in March

(The 0.2 is the decimal form of 20%)

This is equal to 4, the times in March when the bus was late.

7 0
4 years ago
if 1 bottle of gas treatment (5.25 oz/135 ml) treats 21 gallons of gas, how much gas treatment would be used to treat 1 gallon o
vazorg [7]
Divide the given amounts by 21 to find the amount that would be used for 1 gallon.
135 ÷ 21 = 6<span>.42857142857 ml
5.25 </span>÷ 21 = 0.25 0z
1 gallon of gas woud need 0.25 oz/ 6.42857142857 ml of gas treatment

Hope this helps (:
7 0
3 years ago
BOT
suter [353]

Answer:

the correct answer is D) 8

Step-by-step explanation:

2 dozen= 24

2/3 of 24 is 16

24-+6=8

therefore, 8 of the cupcakes were chocolate

7 0
3 years ago
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