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UNO [17]
2 years ago
11

Calculate the angles of a parallelogram if the sum of the three angles is 310°

Mathematics
1 answer:
Gennadij [26K]2 years ago
8 0

9514 1404 393

Answer:

  adjacent angles are 50° and 130°

Step-by-step explanation:

The sum of all 4 angles in a parallelogram is 360°, so the fourth angle must be ...

  360° -310° = 50°

Adjacent angles are supplementary, so the other two angles must be ...

  180° -50° = 130°

The angles in the parallelogram are either 50° or 130°. Adjacent angles are different.

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If students sit 4 per row on a rollercoaster, 6 students are left without a seat.
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An expression is defined as a set of numbers, variables, and mathematical operations. The total number of students is 54.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

Let the number of columns in the rollercoaster be represented by x.

If students sit 4 per row on a rollercoaster, 6 students are left without a seat. Therefore, the number of students can be written as,

Total number of students = 4x + 6

If they sit 6 per row, there are 3 rows left empty. Therefore, the total number of students can be written as,

Total number of students = 6(x-3)

The total number of students can be written as,

4x + 6 = 6(x - 3)

4x + 6 = 6x - 18

2x = 24

x = 12

Now, the total number of students in the class are,

4x + 6 = 4(12) + 6 = 54

Hence, the total number of students are 54.

Learn more about Expression:

brainly.com/question/13947055

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3 0
2 years ago
Nineteen students were invited to michelle's party. Three more boys than girls were invited. How many boys were invited?
bekas [8.4K]
11 boys and 8 girls because you divide it in half the add 2 and subtract 1. That isn't the wy you are supposed to do it but it works and makes since in my head.
7 0
3 years ago
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Plz help me out with this and do show work I will be waiting.... btw u will be marked brainliest!!!!!! Fast plz
pychu [463]

Answer:

x=16°

Step-by-step explanation:

5*x-30=2*(x+18)

For the second, I'd say it is:

5*x-30=2*x+18  

Let's solve both.  

5*x-30=2*(x+18)

5x-30=2x+36

3x=66

x=22  

5*x-30=2*x+18

3x+48

x=16°

8 0
3 years ago
Perry spent $22.50 on material to make necklaces. He used all of the material and made 15 necklaces. How much should Perry charg
Vika [28.1K]

Answer:

Guys his answer is wrong. It’s 5.50 in edg

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Convert from scientific notation to standard form 4.83 x 10^-3
ANTONII [103]

4.83 x 10^-3 can be re-written in standard form by moving the decimal point 3 units to the left:   0.00483.

Note:  If you want to be mathematically correct, please write 10^(-3), not 10^-3.  If the exponent is +, you don't need the parentheses.


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