3 years ago

How many sides does a triangle have? show your work? why does it say show your work?

Mathematics

1 answer:

fenix001 [56]3 years ago

5 0

It is 3 because the when you draw a triangle you are drawing 3 lines

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At the city museum, child admission is $5.30 and adult admission is $9.60. On Thursday, 117 tickets were sold for a total sales

ExtremeBDS [4]

The answer is 160 children’s tickets were sold that day

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3 years ago

What is the answer of this? thanks. 15 pts

Vikentia [17]

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3 years ago

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The circumference of a circle is about 37.7 cm and the diameter is about 12 cm. What expression best represents the value of π ?

Yakvenalex [24]

Answer:

Step-by-step explanation:

Circumference of a circle means the perimeter of a circle and it is given be

Perimeter=2πr

P=2πr

Though π is a constant

But this question want us to find π

Make π the subject of the formula

Then, divide both side by

π=P/2r

Given that P=37.7cm

And diameter =12

And radius is half of diameter.

Therefore, radius =12/2=6cm

Then

π=P/2r

π=37.7/2×6

π=37.7/12.

Then, the last option is the correct option

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3 years ago

Which system of equations can be graphed to find the solution(s) to -3X=7

insens350 [35]

Answer:

X=-7/3

Step-by-step explanation:

hope this helps

8 0

3 years ago

Solve the system of linear equations by substitution

Bond [772]

Answer:

(-4, 5)

Step-by-step explanation (work shown in attached picture):

1) Since x is already isolated in the first equation, substitute that value for x into the other equation to find y. So, substitute 16-4y for the x in 3x + 4y = 8, then solve for y. This gives us y = 5.

2) Now, substitute that given value for y back into any one of the equations to find x. I chose to do it in the first equation. Substitute 5 for the y in x = 16-4y, then solve for x this time. This gives us x = -4.

Since x = -4 and y = 5, the solution is (-4, 5).

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2 years ago