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My name is Ann [436]
3 years ago
13

In the parallelogram ABCD above (not drawn to scale), AB = 9 cm, AD = 14.2cm and angle

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
7 0

Answer:

b

Step-by-step explanation:

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On which number line are -3 and its opposite shown?
netineya [11]

Answer:

it would be 3

Step-by-step explanation:

your welcome

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4 years ago
Which relationship describes angles 1 and 2?
tamaranim1 [39]
Angles 1 and 2 are adjacent, we know this because they are side by side. Meaning they are adjacent.

Angles 1 and 2 are also complementary because they add up to 90°
3 0
3 years ago
Read 2 more answers
Solve by using square root: <br> 4(x-1)^2+2=10
Scilla [17]
4(x-1)^2+2=10\\\\4(x^2-2x+1)+2-10=0\\\\4 x^2-8x+4+2-10=0\\\\4 x^2-8x-4=0\ \ / :4\\\\x^2-2x-1=0\\\\x_{1}=\frac{-b-\sqrt{b^2-4ac}}{2a}=\frac{2-\sqrt{ (-2)^2-4*1*(-1)}}{2 }=\frac{2-\sqrt{ 8}}{2 }=\frac{2- \sqrt{ 4*2}}{2 }=\\\\=\frac{2-\sqrt{ 8}}{2 }=\frac{2(1- \sqrt{ 2})}{2 }=1- \sqrt{ 2}\\\\x_{2}=\frac{-b+\sqrt{b^2-4ac}}{2a}=\frac{2+\sqrt{ (-2)^2-4*1*(-1)}}{2 }=\frac{2(1+ \sqrt{ 2})}{2 }=1+ \sqrt{ 2}

Answer:\ x=1- \sqrt{2}\ \ or\ \ x= 1+ \sqrt{ 2}


3 0
4 years ago
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Can somebody help me with this pls thank you.
prisoha [69]

Answer:

The place value is the Tenths. and the other answer is 0.7

Step-by-step explanation:

Since 2 is under 4 then 7 stays the same so the number will be 0.7

7 0
3 years ago
PLEASE HELP! Find the missing part.
viktelen [127]

Answer:

Step-by-step explanation:

\frac{y}{a}= tan~60=\sqrt{3} \\y=a\sqrt{3} ~~~(1)\\\frac{y}{b} =tan~30\\y=\frac{b}{\sqrt{3} } ~~~(2)\\from~(1)~and~(2)\\a\sqrt{3} =\frac{b}{\sqrt{3} } \\b=a\sqrt{3} \times\sqrt{3} =3a\\a+b=15\\a+3a=15\\4a=15\\a=\frac{15}{4} \\b=3a=3 \times \frac{15}{4} =\frac{45}{4}\\y=a\sqrt{3} =\frac{15\sqrt{3}}{4} \\\frac{x}{15} =sin~30\\x=15 \times \frac{1}{2}=\frac{15}{2}\\\frac{z}{15}=cos~30\\z=15 \times \frac{\sqrt{3}}{2}=\frac{15\sqrt{3} }{2} \\

4 0
3 years ago
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