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levacccp [35]
3 years ago
12

Sorry this is the last one! Help for brainliest answer

Mathematics
2 answers:
laila [671]3 years ago
6 0

Answer:

5, 6, 9, 15

Also:

Plz mark me brainliest :)

vichka [17]3 years ago
5 0

Answer:

3:5, 6:10, and 9:15

Step-by-step explanation:

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How many different groups of three kids can you make from seven kids?
katovenus [111]
This is combination problem since the order or arrangement matters. This is easily solvable with your scientific calculator. The formula would be nCr, where n is the total number of persons, and r is the number of persons in a group. So, using your calculator,

7C3 = 35

There can be 35 different groups.
3 0
3 years ago
How do you figure it out in steps 3r+n^2-r+5-2n+2
Katyanochek1 [597]
If you need to simplify the equation it would be:
n^{2}+2r-2n+7
If not sorry..
Hope This Helps!
8 0
4 years ago
The triangle below is equilateral. Find the length of side x in simplist radical form with a rational denominator.
Stolb23 [73]

The most appropriate choice for equilateral triangle will be given by

Value of x = \frac{9\sqrt{3}}{2}

What is equilateral triangle?

A closed two dimensional figure with three sides and three angles is called triangle.

Based on sides of triangle, triangle can be classified as equilateral, isosceles and scalene

The triangle whose all sides and all angles are equal is called equilateral triangle. All the angles of equilateral triangle  are 60°

Here,

Since the triangle is equilateral, angle of triangle is 60°

sin 60° = \frac{x}{9}

\frac{\sqrt{3}}{2} = \frac{x}{9}

x = \frac{9\sqrt{3}}{2}

To learn more about equilateral triangle, refer to the link:

brainly.com/question/2351368

#SPJ9

5 0
1 year ago
Four friends each get a drink and share a $12 pizza. Their total bill was $17.80. How much did each drink cost?
densk [106]
1.45 because 17.8-12 =5.80 then u devide
3 0
3 years ago
Read 2 more answers
An equation is shown below: 9(3x-2)=1
mr_godi [17]
The answer is the second one. [ Step 1 : 27x - 18 = 1 Step 2 : 27x = 19 ]
8 0
3 years ago
Read 2 more answers
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