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aleksandr82 [10.1K]
2 years ago
12

1. Solve for x. 55° (3r + 23) 75°

Mathematics
1 answer:
Mnenie [13.5K]2 years ago
5 0

Answer:

The value of x is 9.

Step-by-step explanation:

55°

(3 x + 23)

75°

The sum of all the angles of triangle is 180°.

55 + 3 x + 23 + 75 = 180

3 x = 27

x = 9

So, the value of x is 9.

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Help me with these two questions for brainliest!
Akimi4 [234]
1. Yes.

Since, to be a triangle, the sum of the smallest two sides must be greater than the third side, the triangle can be formed.

3 + 22 > 24



2. This triangle is a right triangle.

180 - 60 - 30 = 90
90 degrees is a right angle.

Hope this helps!
5 0
2 years ago
What is the correlation coefficient r for the data set?
weeeeeb [17]

Answer:

the answer is -0.95

Step-by-step explanation:

8 0
2 years ago
At 8:00, the temperature was 15 degrees Celsius (°C). Three hours later, the temperature was -15°C. By how many degrees Celsius
stepladder [879]

Answer:

30 degrees

Step-by-step explanation:

If you were to draw a number line, 15 and -15 are both 15 units away from 0. So, 15 + 15 =30

Please brainlist!

5 0
2 years ago
10.Adrienne is going to deposit $8,500 in an account that earns 2.5% interest for 360 months. How much more interest will she ea
suter [353]

Answer:

Difference= $3,090.15 in favor of compounded interest

Step-by-step explanation:

Giving the following information:

Present value (PV)= $8,500

Ineterest (i)= 0.025/12= 0.00208

Number of periods (n)= 360 months

<u>We will calculate the future value of each option and determine the difference:</u>

<u>Simple interest:</u>

FV= (PV*i*n) + PV

FV= (8,500*0.00208*360) + 8,500

FV= $14,864.8

<u>Compounded interest:</u>

FV= PV*(1+i)^n

FV= 8,500*(1.00208^360)

FV= $17,958.95

Difference= $3,090.15

6 0
2 years ago
Which quantity is proportional to 90/2?
slamgirl [31]

Answer:

45/1

Step-by-step explanation:

90/2=45/1

45*2=90

6 0
2 years ago
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