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lara [203]
3 years ago
11

WILL GIVE BRAINLIEST AND 30 POINTS ! √-100 = _ + _ lower case I

Mathematics
2 answers:
const2013 [10]3 years ago
4 0
+\- 10i
Square root of 100 is 10 & negative square root is I
salantis [7]3 years ago
3 0

Answer:

±10 i

Step-by-step explanation:

sqrt(-100)

We know that sqrt(ab) = sqrt(a) sqrt(b)

sqrt(-1) * sqrt(100)

sqrt(-1) = i

i * ±10

±10 i

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Help with math homework
Anestetic [448]
1) 65+57= 122
180-122= 58

2) 40+90=130
180-130=50

3) 130+20=150
180-150=30

4) 85+50= 135
180-135=45

Sorry, IDK the rest. So so sorry.
8 0
3 years ago
The sales tax for an item was 12.80 and it cost 320 before tax​
Arlecino [84]

Answer:

4%

Step-by-step explanation:

Divide the tax by the pre-tax price =

12.80/320 = .04 or 4%

8 0
3 years ago
I think its B can I get someone's opinion. Its not too hard. Plzzz Help.
shusha [124]

Answer:

I agree with you,I also think its B

Step-by-step explanation:

8 0
3 years ago
Lliana rotated trapezoid WXYZ 180° about the origin.
AfilCa [17]

Answer:

The answer to the equation is W’(4, –2), X’(3, –4), Y’(1, –4), Z’(0, –2)

Step-by-step explanation:

Because its turning 180 degrees that means its turning half the way it is. and if you look on the graph the z is Z (0, 2). which if you flip it upside down it would be (0,-2)

Also i took the test!  :)

6 0
3 years ago
Read 2 more answers
CAN SOME1 PLEASEE THINK OF AN EQUATION AND SOLVE IT FOR ME?
KatRina [158]
A example can be Keith has $500 in a savings account at the beginning of the summer. He wants to have at least $200 in the account by the end of the summer. He withdraws $25 each week for food, clothes, and movie tickets. The answer would be Any more than 12 weeks and his account balance would be less than $200. Any number of weeks less than 12 and his account would stay above $200.
8 0
3 years ago
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