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SOVA2 [1]
2 years ago
14

Please help I’m struggling

Mathematics
1 answer:
gulaghasi [49]2 years ago
3 0

Answer: B, x=20; angle measure is 30°.

Step-by-step explanation:

Opposite angles are always the same.

You can see that 30° and 3x are opposite angles therefore 3x=30°.

In algebra, when a letter and a number are next to each other, it means times.

So, 3x=30° means 3 times something equals 30.

And we know that 3×10=30 so, x=10.

Hope this helps :)

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If you want to buy an item in a store that costs $15 and is on sale for 15% off, then how much would the item actually cost you
scoray [572]

Answer:

It would cost you $12.75.

Step-by-step explanation:

Model an equation, using c as the initial cost variable and x as the final cost, and then solve for x.

x =  \frac{100 - 15}{100} c \\ x =  \frac{85}{100} (15) \\ x =  \frac{17}{20} (15) \\ x =  \frac{17}{4} (3) \\ x = \frac{51}{4}  \\ x = 12.75

5 0
3 years ago
Please hurry i neeeed this fast!!!
lina2011 [118]

Answer:

consecutive interior angles

Step-by-step explanation:

inside of the angle and consecutive to each other

5 0
3 years ago
Read 2 more answers
Please help if you can
NemiM [27]
I am doing this test I will do it and I will give you the correct answer when I am done I think it's the last one but I am not sure soo wit an tell I finish the test 
3 0
3 years ago
The ticket sales for Fist Bump are as follows:
Fed [463]
Notice that the denominators are 3 and 7, which are factors of 21.

So express all the fractions with denominator 21:

On Monday \frac{1}{7} = \frac{1}{7} * \frac{3}{3} = \frac{3}{21} are sold
On Tuesday \frac{1}{3} = \frac{1}{3} * \frac{7}{7} = \frac{7}{21} are sold
On Wednesday \frac{2}{7} = \frac{2}{7} * \frac{3}{3} = \frac{6}{21} are sold


by Thursday \frac{3}{21}+\frac{7}{21}+\frac{6}{21} = \frac{3+7+6}{21}= \frac{16}{21} of the tickets was sold.


Answer: \frac{16}{21}

8 0
3 years ago
Choose the correct classification of 3x^4 − 9x^3 − 3x^2 + 6.
aliina [53]
It's a 4th degree polynomial since the largest degree (exponent) is 4
6 0
3 years ago
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