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3 years ago

True or false? A circle could be circumscribed about the quadrilateral below.

Mathematics

1 answer:

sergij07 [2.7K]3 years ago

8 0

A circle can be circumscribed about a quadrilateral if and only if the opposite angles of the quadrilater sum up to 180.

This is not the case, so you can't circumscribe a circle about the quadrilateral.

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The circumference of a circular track is 400. Find its radius

nadya68 [22]

Answer:

The radius is <u>63.69</u>.

Step-by-step explanation:

Given:

The circumference of a circular track is 400.

Now, to find the radius:

So, to get the radius(r) we put the formula of circumference:

$Circumference=2\pi r$

⇒ $400=2\times 3.14\times r$

⇒ $400=6.28\times r$

<em>Dividing both sides by 6.28 we get:</em>

⇒ $63.69=r$

⇒ $r=63.69$

Therefore, the radius is 63.69.

3 0

2 years ago

The population of a town,

kicyunya [14]

Answer:

Step-by-step explanation:

8 0

1 year ago

Thanks to who ever helped me with this question!

ollegr [7]

Answer:

-9

Step-by-step explanation:

Since the opposite angles of both sides are congruent we know that the sides must be congruent also. Therefore, to solve for x we can set them equal to each other.

So the equation will be x+19=10, to solve we must isolate the variable.

First, subtract 19 from both sides

x+19-19=10-19

Then, simplify

x=-9

3 0

2 years ago

Read 2 more answers

What's the answer to this question= 4(3x + 2) + 2(x + 3)

Serga [27]

Answer:

$\huge{ \boxed{ \bold{ \tt{14x + 14}}}}$

Option E is the best choice.

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☯ Question : Simplify

4 ( 3x + 2 ) + 2 ( x + 3 )

☯ Available options :

☐ 12x + 16

☐ 24x + 48

☐ 10x + 2

☐ 14x + 48

☑ 14x + 14

☐ 9x + 5

✎ Step - by - step explanation :

$\sf{4(3x + 2) + 2(x + 3)}$

Distribute 4 through the parentheses

$\dashrightarrow{ \sf{12x + 8 + 2(x + 3)}}$

Distribute 2 through the parentheses

$\dashrightarrow{ \sf{12x + 8 + 2x + 6}}$

Combine like terms. Only coefficients of like terms can be added or subtracted

$\dashrightarrow{ \sf{12x + 2x + 8 + 6}}$

$\dashrightarrow{ \sf{14x + 8 + 6}}$

Add the numbers : 8 and 6

$\dashrightarrow{ \boxed{ \sf{14x + 14}}}$

Hope I helped!

Have a wonderful time ツ

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6 0

3 years ago

You know how yo make 7 different types of cookies.you have time to make any 5 of them how many different combinations of cookies

umka21 [38]

I think it would be 35 combinations but I may be wrong

4 0

1 year ago