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3 years ago

7/8 decided by 3/8 I will give you crown

Mathematics

2 answers:

Firlakuza [10]3 years ago

8 0

Answer: it is 2 1/3

Step-by-step explanation:

Elza [17]3 years ago

3 0

Answer:

Step-by-step explanation:

flip and multiply 7*3=21 8*8=64

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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 $x=p^2$

$x^2-119x-4624=0$

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

$x=\frac{119\pm 180.71}{2}$

we take only Positive value because $p^2=x$

x=149.85

$p^2=149.85$

thus $p=\pm 12.24$

$q=\pm 4.90$

thus,

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

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2 years ago

Julie reads 4 books each month as part of her book club. Write an equation that shows the

Strike441 [17]

Answer:

Y=4x

Step-by-step explanation:

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3 years ago

The net of a right rectangular prism is shown below: Find the surface area of the prism with the given net (in square inches).

Leto [7]

Answer:

248

Step-by-step explanation:

5 0

3 years ago

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If EF = 4x − 16, FG = 3x − 6, and EG = 27, find the values of x, EF, and FG.

Thepotemich [5.8K]

The summation of the lengths of Ef and FG would give us the length of EG.
This means that:
EF + FG = EG
4x - 16 + 3x - 6 = 27
7x = 27 + 16 + 6
7x = 49
x = 49/7 = 7

Therefore:
EF = 4(7) - 16 = 12 unit length
FG = 3(7) - 6 = 15 unit length

8 0

3 years ago

Mario drew an isosceles triangle and named it triangle PQR. Mario measured the perimeter and found that it was 21 inches. If the

pishuonlain [190]

Answer:

A and C

Step-by-step explanation:

Since it is isosceles two sides should be equal and we already know the perimeter is 21in.

5+5+11=21in

5+8+8=21in

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3 years ago

Read 2 more answers