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yawa3891 [41]
1 year ago
12

Find the values of x and y that makes each equation true. –(5y)i+12=4x+25i

Mathematics
1 answer:
vovikov84 [41]1 year ago
5 0

Equate real part and imaginary part:

LHS:

real part -- 12

imaginary part -- 5y

RHS:

real part = 4x

imaginary part = 25

Equating::

12 = 4x

x = 12/4

x = 3

Again:

5y = 25

y = 25/5

y = 5

So,

x = 3

y = 5

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Convert 3/5 into a fraction with a denominator of 20:<br> 06/20<br> O 12/20<br> 5/20<br> 3/20
Yanka [14]
The correct answer is 12/20.

If you multiply the numerator and the denominator of 3/5 by 4/4:

3•4 = 12
————-
5•4 = 20

Therefore, the equivalent of 3/5 is 12/20.

Please mark my answers as the Brainliest if my explanations were helpful :)
8 0
3 years ago
Which statements about angles are true? Check all that apply.
Vadim26 [7]

Answer:

A,C,D,E

Step-by-step explanation:

The first one is true because in fact, supplementary angles' measures add up to 180°.

The second one is false because there are 5 types, not 3. These are the types:

acute angle-an angle between 0 and 90 degrees.

right angle-an 90 degree angle.

obtuse angle-an angle between 90 and 180 degrees.

straight angle-a 180 degree angle.

reflex angle- a angle between 180 and 360 degrees.

Third is true too because linear pair means two angles that form a straight line, or 180°.

Fourth is true because straight Angle theorem states that all the straight angles are 180 degrees. If the legs are pointing exactly in the opposite directions, then it forms a straight angle.

Last one is true because by definition complementary angles always form a right angle, which is 90°.

Hope it helps!

8 0
3 years ago
The HCF and LCM of two numbers x and 126 are 24 and 840 respectively. Find the value of x.
Zigmanuir [339]

Answer:

x=160

Step-by-step explanation:

x×126=24×840

x=\frac{24 \times840}{126} =160

8 0
3 years ago
The least common factor of 8 and 56, 12 and 30, 16 and 24, and 9 and 15
shepuryov [24]

The lcf of 8 and 56 is 2, the lcf of 12 and 30 is 2, the lcf of 16 and 24 is 2, and the lcf of 9 and 15 is 3.

4 0
3 years ago
Find the area of the triangle.
madreJ [45]
Start by finding the area of each smaller right triangle.
Right triangle area = (1/2)hb -> h = height & b = base
b = 4 & h = 3
(1/2)(4)(3) = 6
6*2 = 12 (there are two right triangles)
The area of the entire triangle is 12yd^2
8 0
4 years ago
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