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amm1812
3 years ago
10

The atomic number for U is?

Mathematics
1 answer:
RSB [31]3 years ago
8 0
Atomic number for uranium is 92
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What is the arc measure of BDC in degrees?<br> (4k + 159)<br> P<br> (2k + 153)
andre [41]
<h2>Explanation:</h2><h2></h2>

The diagram is missing but I'll assume that the arc BDC is:

(4k + 159)^{\circ}

And another arc, let's call it FGH. measures:

(2k + 153)^{\circ}

If those arc are equal, then this equation is true:

(4k + 159)^{\circ}=(2k + 153)^{\circ} \\ \\ (4k + 159)=(2k + 153) \\ \\ \\ Solving \ for \ k: \\ \\ 4k-2k=153-159 \\ \\ 2k=-6 \\ \\ k=-\frac{6}{2} \\ \\ k=-3

Substituting k into the first equation:

\angle BDC=(4(-3)+159)^{\circ} \\ \\ \angle BDC=(-12+159)^{\circ} \\ \\ \boxed{\angle BDC=147^{\circ}}

3 0
3 years ago
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Simplify: -1/2(6n+4) +2n - 5
Maurinko [17]

Answer:

Step-by-step explanation:

\frac{-1}{2}(6n+4)+2n-5 \\\\\frac{-1}{2}2(3n+2)+2n-5\\ -(3n+2)+2n-5\\-3n-2+2n-5\\-n-7

5 0
3 years ago
Please help quickly!
steposvetlana [31]

Answer:

The Correct option is A) 8

The value of a is 8.

Step-by-step explanation:

Vertical Angles:  

The angles opposite each other when two lines cross.

They are always equal.

∠ 2(3a-7)° and ∠ (5a-6)° are vertical angles.Hence are equal.

So on Substituting we get

2(3a-7)\°=(5a-6)\°

Applying distributive property we get

2\times 3a-2\times 7=5a-6\\6a-14=5a-6\\6a-5a=14-6\\\\\therefore a=8

The value of a is 8

The Correct option is A) 8

7 0
3 years ago
Is the number -9/20 a rational number
Maslowich
I believe it is a rational number
5 0
3 years ago
1 quart = ? pints=?cups
jolli1 [7]

\Huge\green{\tt{✏Answer✏}}

<em>1 us liquid quart =</em>

<h2><em>2 us liquid </em><em>pints</em></h2>

<em>\Huge\blue{\tt{✏Explanation✏}}</em>

<em>#CarryOnLearning</em>

<h2><em>hit that heart and dont forget to follow hehe thx<3</em></h2>

\color{blue}{⊱─━━━━━━━━⊱༻●༺⊰━━━━━━━━─⊰}

\huge{꧁༒Maizen༒꧂}

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2 years ago
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