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vovangra [49]
3 years ago
7

Please help I will mark brainly!!!

Mathematics
1 answer:
Art [367]3 years ago
7 0

For fraction notation it would be 2/10

and for the percent notation it would be 20%

if you need any explanation ask me

hope this helps!

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The product of (3 + 2i) and a complex number is (17 + 7i).
Vesna [10]
A+bi is a complex number

(3+2i)(a+bi)=17+7i
remember
i²=-1
so
expand and solve
a is the ral part
bi is the imaginary part
ok so
if Ac+Be=dc+fe where c=c and e=e then A=d and B=f

(3+2i)(a+bi)=17+7i
expand/distribute/FOIL
3a+2ai+3bi+2bi²=17+7i
3a+2bi+2ai+2bi=17+7i
3a-2b+2ai+2bi=17+7i
real parts are 3a-2b
imaginary is 2ai+2bi
so

3a-2b=17 and
2ai+2bi=7i

we need to solve
2nd equation, divide both sides by i
2a+2b=7
multiply by -1 and add to other equation

3a+2b=17
<u>-2a-2b=-7 +</u>
1a+0b=10
a=10

subsitue
2a+2b=7
2(10)+2b=7
20+2b=7
2b=-13
b=-13/2


the complex number is
10-(13/2)i or
10-6.5i
8 0
2 years ago
Theodore says there are 2 weeks 5 days left in the year. How many days are left in the year?​
Slav-nsk [51]

Answer:

19 days

Step-by-step explanation:

2 weeks = 14 days + additional 5 days = 19 days

8 0
2 years ago
Read 2 more answers
What is the diameter of the inscribed circle of the triangle?
Fofino [41]

The value of diameter for the given triangle inscribed in a circle will be 22.

<h3>What is a circle?</h3>

A circle is a geometrical figure which becomes by plotting a point around a fixed point by keeping a constant distance.

In our daily life, we always see circular objects for example our bike wheel.

The longest line which can be drawn inside the circle will be the diameter.

As per the given triangle inscribed a circle.

The length x +2 and 2x - 7 will be the radius of the circle and the sides of the triangle will be the tangent of the circle.

x + 2 = 2x - 7

2 = 2x - x - 7

x = 9

Thus, radius = 9 + 2 = 11

Diameter = 11 x 2 = 22 units.

Hence "The value of diameter for the given triangle inscribed in a circle will be 22".

To learn more about the circle,

brainly.com/question/266951

#SPJ1

6 0
9 months ago
What is 913 divided by 29
ivolga24 [154]

Answer:

31.483

Step-by-step explanation:

913/29=31.483

8 0
3 years ago
If hari buys 20biscuits for Rs 200 and sells it for Rs 100 find the loss​
dimulka [17.4K]

Answer:

hdvbn

Step-by-step explanation:

nfshvjjnmmnjjmbm

6 0
3 years ago
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