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Digiron [165]
3 years ago
12

(x+2)^2=-9 Need for a math quiz today please!

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
6 0

Answer:

x=3i-2,x=-3i-2

Step-by-step explanation:

x+2=\sqrt{-9} : x=- 3i-2

= x=3i-2,x=-3i-2

Hoped this helps you!! :D

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Mrs. Lee works 4y hours each day from Monday to Friday. She works (4y-4) hours on Saturday.
7nadin3 [17]

Answer:

24y-4

Step-by-step explanation:

4y*5=20y

20y+4y-4= 24y-4

5 0
3 years ago
One solution of the quadratic equation X2 – 19x + 48 = 0 is 3. What is the other solution?
Liula [17]

Answer:

16

Step-by-step explanation:

The equation is X2 – 19x + 48 = 0

Using the quadratic formula

X= - b +- √ ( b^2 - 4ac)/ 2a

Where a= 1 b= -19 c= 48

Substitute into the formula we have

CHECK THE ATTACHMENT

HENCE, the solution are 3 and 16

7 0
3 years ago
What input corresponds to 54?
marusya05 [52]

Answer:

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Step-by-step explanation:

5 0
3 years ago
What’s the third side?
romanna [79]
The anwser is 90 because its 90 degree angle
6 0
3 years ago
Lydia's claims that when she subtracts two negative integers, the result is always positive. Is she correct? Explain.
aleksley [76]
She is correct because a negative subtracted by a negative is positive.
8 0
3 years ago
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