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Oksana_A [137]
3 years ago
5

Please literally anyone help

Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0
The measure of the angle is half the measure of the opposite arc.
.. ? = 78°/2 = 39°
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A LARGE RECTANGULAR POSTER IS 3 TIMES AS LONG AND 3 TIMES AS WIDE AS A SMALL RECTANGULA POSTER. THE SMALL POSTER IS 3 FEET LONG
umka2103 [35]

Answer:

the Larger poster is 9ft long by 6ft wide

Step-by-step explanation:

In order to find the length and width values of the large poster we first need to find the width of the smaller poster since we are already given the length. Since we are also provided with the perimeter we can add the length twice and subtract it from the perimeter which would give us the value of both width sides of the rectangle, then we simply divide by 2 to get the value of the individual width.

10ft = 3ft + 3ft + w + w

10ft = 6ft + 2w

4ft = 2w

2ft = w

Since the larger poster is 3 times as big for the length and the width we simply multiply the smaller poster's length and width by 3...

L = 3 * 3 = 9ft

W = 2 * 3 = 6ft

Finally, we can see that the Larger poster is 9ft long by 6ft wide

8 0
3 years ago
Jenny is 13 years older than her sister myra myra is 6 years younger than her sister melody their combined age is equal to 88 ye
il63 [147K]
X : Myra age
Jenny : x+13
Melody : x+6
x + x + 13 + x + 6 = 88 \\ 3x + 19 = 88 \\ 3x = 69 \\ x = 23
5 0
3 years ago
Read 2 more answers
PLEASE HELP! I WILL MARK AS BRAINLIEST!! I REALLY NEED SOMEONES HELP!
Andrej [43]

Since this is subtraction, everything must be turned negative in the second polynomial.

(6x^2 - 5x) - (2x^2 + 3x - 2)

6x^2 - 5x - 2x^2 - 3x - (-2)

6x^2 - 5x - 2x^2 - 3x + 2

Now, reorder the terms to make it easier.

6x^2 - 2x^2 - 5x - 3x + 2

Now, just combine like terms.

4x^2 - 5x - 3x + 2

4x^2 - 8x + 2

There’s the answer!

Please consider marking this answer as Brainliest to help me advance.

4 0
3 years ago
Heeeeeeeeeeelp pleaseeeeeeeeeeee
aleksandrvk [35]

Answer

<2 = <4 = <6 = <8

All of those are 94 degrees

<1 = <3 = <5 + <7

All of those are 86 degrees

Hope this helps :D

7 0
3 years ago
Please help me with this question. what is the area?
chubhunter [2.5K]
The formula for that area would be A=1/2xbxh so you would do A=1/2x3.5x3 and that equals 5.25
3 0
3 years ago
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