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Makovka662 [10]
3 years ago
6

The question is on the file <3

Mathematics
1 answer:
LuckyWell [14K]3 years ago
8 0
Answer:
The first one is 1:4
The second one is most likely 0.2:1
Im not quite sure though. Hope you get a good grade!
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Which of the following is a complex number?
Olin [163]

Answer:

The correct answer is option C , 4 + 9i

Step-by-step explanation:

A complex number is the one which has a real number and an imaginary number.

In all the example given , option C 4 + 9i has "i" which signifies the imaginary number which nothing but a negative square root.


3 0
3 years ago
What is the equation in standards form of the line y=1/9x+5
oksano4ka [1.4K]
X - 9y = -45 i’m not sure what line ? but this is in standard form
8 0
3 years ago
Substitute the values of x and y into the expression -3x 2 + 2y 2 + 5xy - 2y + 5x 2 - 3y 2. Match that value to one of the numbe
seropon [69]
X = 2, y = -1  Answer = -1
x = 0, y = 2.5  Answer = -11.25
x = -1, y = -3   Answer = 14
x = 0.5, y = -0.1 (one tenths)  Answer = 0.44
x = 0.75 (three quarters), y = 0.4 (two fifths)  Answer = 1.665
x = 1.41 (sqareroot of 2), y = 1.41 (sqareroot of 2)  Answer = 9.17

I hope this helps!
5 0
3 years ago
Which expression is equivalent to absolute value of 8 + absolute value of -7
anzhelika [568]

Answer:

8+7

Step-by-step explanation:

Absolute value is when you calculate how far away the number is from zero.

Since 8 is 8 spaces away from zero, then the absolute value of 8 is 8.

Since -7 is 7 spaces away from zero, then the absolute value of -7 is 7.

So, in conclusion, an equivalent expression can be 8+7

4 0
3 years ago
Read 2 more answers
Is 14,48,50 a Pythagorean triplet <br> Step by step explanation please
Svetlanka [38]

Answer:

yes

Step-by-step explanation:

If the values are a Pythagorean triplet then the square of the largest value should equal the sum of the squares of the other 2

largest value = 50 ⇒ 50² = 2500

14² + 48² = 196 + 2304 = 2500

Since 50² = 14² + 48² then 14, 48, 50 are a Pythagorean triplet

7 0
2 years ago
Read 2 more answers
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