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2 years ago

14

Simplify each expression then order the expressions in descending order. To order the numbers click and drag the expressions int

o the boxes.

1 answer:

Montano1993 [528]2 years ago

7 0

idfk , im sorry LOLZZ

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Evaluate (2 - 5i)(p + q)i when p = 2 and q = 5i<br>a. 29i<br>b. 291-20<br>C.-21i<br>d.29

attashe74 [19]

Answer:

A. 29i

Step-by-step explanation:

Step 1: Plug in given variables

(2 - 5i)(2 + 5i)i

Step 2: Difference of squares (expand)

(4 - 25i²)i

Step 3: Imaginary numbers rules

(4 - 25(-1))i

Step 4: Combine like terms

(4 + 25)i

(29)i

Your final answer will be 29i

8 0

3 years ago

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There are 90 new houses being built in a neighborhood. Last month, 13 of them were sold. This month, 15 of the remaining houses

Tcecarenko [31]

62 because 90 minus 15, minus 13, is equal to 62

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3 years ago

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How would I figure out what L= is if V=168 yd W= 7 yd H= 3 yd?

Mariulka [41]

We can assume that the shape is a rectangular prism by the given dimensions

Volume of a rectangular prism
Volume = Area of Base × Height of prism
= Length × Width × Height of prism
Substitute!
168 = L × 7 × 3
168 = L × 21
Divide 21 on either sides to isolate L

$\frac{168}{21}$ = $\frac{L*21}{21}$
21 and 21 cancels out

8 = L
L = 8 yd

6 0

3 years ago

Hey can anyone help with this question?

schepotkina [342]

(AB)^2 + (2 m)^2 = (8 m)^2, or

(AB)^2 + 4 m^2 = 64 m^2, or (AB)^2 = 60 m^2.

Taking the square root of both sides, (length of AB) = + 2sqrt(15) (answer)

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3 years ago

I need help with the number line part a is done already

algol [13]

Hi! Going from equation one, you should put your starting point at negative 10. Then make an over-arrow over to negative five showing where you added five. After this, make another arrow from negative five to seven. Then you’re done! Hope this helps!

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3 years ago