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Alja [10]
3 years ago
13

Pls help me i need this done

Mathematics
2 answers:
Marrrta [24]3 years ago
4 0
10 x 9 = 90 the area of a square
/2 m = 45 the area amid the triangle

45 x 6= 270 cubic yards
:))
Andrew [12]3 years ago
4 0

Answer:

270 yd³

Step-by-step explanation:

V = 2(½)bhL

V = bhL = 4.5(10)(6) = 270 = V

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Answer:

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Step-by-step explanation:

That's all I know Sorry

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The ratio of fiction to nonfiction books in the library is 4:5. If there are 900 books in a collection, how many are fiction?
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What is the other square root of 119 + 120i?
MakcuM [25]

Answer:

\sqrt{119+120 i}=\pm (12.24+i 4.90)

Step-by-step explanation:

Given

z = 119 + 120 i

Let \sqrt{119+120 i}=p+iq

Squaring both sides

119+120 i=p^2-q^2+2ipq

Comparing real and imaginary part

Re(LHS)=Re(RHS)

119=p^2-q^2...........................(1)

comparing Im(LHS)=Im(RHS)

120=2pq

q=\frac{60}{p}

Substitute q in 1

119=p^2-(\frac{60}{p})^2

p^4-119p^2-(68)^2=0

Let x=p^2

x^2-119x-4624=0

x=\dfrac{119\pm \sqrt{119^2+4\times 4624}}{2}

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p^2=149.85

thus p=\pm 12.24

q=\pm 4.90

thus,

\sqrt{119+120 i}=\pm (12.24+i 4.90)

8 0
3 years ago
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