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Nesterboy [21]
1 year ago
7

If angles of the triangle are In 2:3:7 then find all the angles

Mathematics
1 answer:
Sergeeva-Olga [200]1 year ago
3 0

Answer:

Since all triangle angles sum to 180 then we can say

2x + 3x + 7x = 180

12x = 180

x = 15

There fore the angles are

2 * 15 3 * 15 and 7 * 15 or

30 45 and 105

Those 3 total 180 degrees

Step-by-step explanation:

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54 students fit on a bus. There are 125
vfiekz [6]

Answer: 3 buses

Step-by-step explanation: If 54 students fit on a bus, and 125 students are in 8th grade,

You should divide.

125 divided by 54 is 2.31...

we can't have 2.31... buses, so we say 3 buses.

3 0
2 years ago
Read 2 more answers
The angle is 1/12 of a circle
Shkiper50 [21]
A circle is 360 degrees.
1/12*360=30
The angle is 30 degrees.
7 0
3 years ago
Samantha paid $10 to join an online book club. Then she paid $3 per e-book that she read. She has spent more than $40. How many
maxonik [38]

Answer:

13/13.3 or 10

Step-by-step explanation:

You said she paid $10 to join, if she spent at least $40, then we subtract 10, then divide 30 by 3 then you would get 10.

If we don't have to subtract and she spent around $40 on only books, it would be 13/13.3

5 0
3 years ago
Which ordered pair is included in the solution set to the following system?
Nataliya [291]

The ordered pair is included in the solution set to the following system is (0,2)

<h3>Set of inequalities</h3>

Given the set of inequalities

y > x2 + 1

y < x2 – x + 1

Equate both expressions to have:

x^2 + 1 = x^2 - x +1

1 = -x + 1

x = 0

Substitute x = 0 into any of the function

y = x^2 + 1

y = 1

This shows that the ordered pair is included in the solution set to the following system is (0,2)

Learn more on inequality here: brainly.com/question/24372553

#SPJ1

7 0
2 years ago
Find the difference of functions s and r shown below. r(x) = -x² + 3x s(x) = 2x + 1 ( s-r)(x)=​
drek231 [11]

Answer:

Part 1)

(s-r)(x)=(2x+1)-(-x^2+3x)

Part 2)

(s-r)(x)=x^2-x+1

Step-by-step explanation:

Part 1)

So we have the two functions:

r(x)=-x^2+3x\text{ and } s(x)=2x+1

And we want to find:

(s-r)(x)

This is the same as:

=s(x)-r(x)

Substitute:

=(2x+1)-(-x^2+3x)

So, our answer for Part A is:

=(2x+1)-(-x^2+3x)

Part 2)

Let's find our difference.

Distribute the -1:

=(2x+1)+(x^2-3x)

Combine like terms:

=(x^2)+(2x-3x)+(1)

Add:

=x^2-x+1

And we're done!

8 0
4 years ago
Read 2 more answers
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