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kolezko [41]
3 years ago
7

What is the value of x

Mathematics
2 answers:
Mama L [17]3 years ago
6 0

Answer:

X equals 45

Step-by-step explanation:

The angle all together is 180 degrees so if you do 180 minus 45 you get 135. Now since x is being multiplied by 3 you divide 135 by 3. This is 45. So x is equal to 35. hopefully that made sense. :)

Lana71 [14]3 years ago
3 0
I think x could be equal 45
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the length of a rectangle is 8cm more than the width and its area is 172cm2 .find the width of the rectabgle
nikdorinn [45]
l-the\ length\\l+8-the\ width\\A=172\ cm^2\\\\A=lengtf\cdot width\\\\subtitute\\\\l(l+8)=172\\\\l^2+8l=172\ \ \ |subtract\ 172\ from\ both\ sides\\\\l^2+8l-172=0\\a=1;\ b=8;\ c=-172\\\\\Delta=b^2-4ac\\\\\Delta=8^2-4\cdot1\cdot(-172)=64+688=752 > 0\\\\l_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ l_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{752}=\sqrt{16\cdot47}=4\sqrt{47}\\\\l_1=\dfrac{-8-4\sqrt{47}}{2\cdot1}=-4-2\sqrt{47} < 0\\\\l_2=\dfrac{-8+4\sqrt{47}}{2\cdot1}=-4+2\sqrt{47} > 0\\\\The\ width:l+8=-4+2\sqrt{47}+8=4+2\sqrt{47}\\\\Answer:\boxed{length=(2\sqrt{47}-4)cm;\ width=(4+2\sqrt{47})cm}
length\approx9.71cm;\ width\approx17.71cm
4 0
3 years ago
Mary borrowed 400.00 from a bank for 2 years. The total interest she paid was 24.00 Mary bro 400 from a bank for 2 years and was
iogann1982 [59]

Answer:

3%

Step-by-step explanation:

24÷400=.06

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6%÷2=3%

5 0
2 years ago
5times5 =..:.::.please help
gtnhenbr [62]

Answer:

25 Lol

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
What effect does multiplying a number by 1/10 have on the number?
antoniya [11.8K]

x \times  \frac{1}{10}  =  \frac{x}{10}

Divides it by 10.

8 0
3 years ago
Read 2 more answers
I don’t know how to do this help
grigory [225]

Answer:

Step-by-step explanation:

Simple!

change the sign to minus then you get

5 1/6- 3 5/6 which will equal 1 2/6

btw do you like chicken wings? especially buffalo with ranch.

3 0
3 years ago
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