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aleksley [76]
3 years ago
8

Please help Find the value of x

Mathematics
1 answer:
jeka57 [31]3 years ago
3 0

Answer:

54

Step-by-step explanation:

The sum of given angles must be equal to 360°

3x° + 2x° + 90° = 360°

5x + 90 = 360

5x = 270 divide both sides by 5

x = 54

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The equations x minus 2 y = 1, 3 x minus y = negative 1, x + 2 y = negative 1, and 3 x + y = 1 are shown on the graph below. On
Basile [38]

Answer: (a) x + 2y = -1  and  3x + y = 1

<u>Step-by-step explanation:</u>

I am not sure what the purpose was for the colored lines but I included them on the graph (below).

6 0
3 years ago
Read 2 more answers
What are the degree and leading coefficient of the polynomial of 12u3 -8 + 23u
irga5000 [103]

Answer:

Degree: 3

Leading Coefficient: 12

Step-by-step explanation:

Find the highest power to determine the degree, in this case it's 3. Then identify the term with the highest power (12u^3) to find the leading coefficient.

So, because 3 is the largest and only power in this equation, it is the degree. 12u^3 is the leading term (term containing the highest degree) and 12 is the coefficient attatched to the term. Hope that helped!

4 0
3 years ago
Tell me how you got the it
stich3 [128]

Answer:

  x° = 67°

Step-by-step explanation:

1. The first three diagrams are showing you that opposite exterior angles are congruent. Based on that, when you are faced with opposite exterior angles in the fourth diagram, you are able to conclude they are congruent. That means x° = 67°.

2. You can determine the other angles in the figure based on linear angles being supplementary, and same-side interior angles being supplementary. After you work through all the angles, you find that x = 67.

6 0
3 years ago
Pls helpppp!! due tonight :(<br><br> 2/j+3=4/5
Natali5045456 [20]

Answer:

2×5 = 4×(j+3)

10 = 4j + 12

10 - 12 = 4j.

-2 = 4j.

j = -2/4.

j= -0.5 or -1/2

4 0
2 years ago
In 1990, the price of a gallon of unleaded gasoline was $1.37. In 1998, it was $1.02 per gallon. What is the decrease expressed
mojhsa [17]
The decrease is 35c

Q= X/100 of $1.37 = 0.35

1.37x/100 = 0.35

1.37x = 35 then divide each side by 1.37

Result is 25.5474453 percent, round up to nearest tenth.
Answer is 25%

7 0
3 years ago
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