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viktelen [127]
4 years ago
10

Help! Please! Brainliest answer offered!!

Mathematics
2 answers:
ehidna [41]4 years ago
5 0

your answer is 1 :) hope this helps

ira [324]4 years ago
4 0

Answer:

It's B) 1

Step-by-step explanation:

(3)(2x)+(3)(−1)=( 1 2 )(4x)+( 1 2 )(−2)+2(Distribute)

6x−3=2x+1

6x−3−2x=2x+1−2x

4x−3=1

4x−3+3=1+3

4x/4 = 4/4

x = 1

i know confusing

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Simplify  <br> (−3 + i) / (7+i)
Kitty [74]

<u><em>Answer: -2/5+1/5i</em></u>

Explanation:

complex rule.

(-3*7+1*1)+(1*7-(-3)*1)i/7²+1² ← as the fractions

then refine and rewrite the problem down.

-20+10i/50 ← as the fractions shown.

-20+10i/50=-2+i/5

you can also rewrite the problem down in standard complex form.

-2+i/5=-2/5+1/5i

<u><em>=-2/5+1/5i</em></u>

Hope this helps!

Thanks!

Have a great day!

8 0
3 years ago
Read 2 more answers
What number between 121 and 149 is exactly divisible by both 3 and 5
Komok [63]

Answer:

135

Step-by-step explanation:

135 by 3 is 45

by 5 is 27

3 0
3 years ago
Read 2 more answers
Find the GCF of 5y5 and 50y2.
GREYUIT [131]

Answer: 5y^2

Step-by-step explanation:

Given

5y^5\ \text{and}\ 50y^2

GCF or HCF of the two is the highest common factor

\Rightarrow 5y^5=5\times y^2\times y^3\\\Rightarrow 50y^2=5\times y^2\times 10

It is clear GCF is 5y^2

6 0
3 years ago
Need help i don’t know what the answer is
Romashka-Z-Leto [24]

Answer:

r = 5

Step-by-step explanation:

(r + 8)^2 = r^2 + 12^2

r^2 + 16r + 64 = r^2 + 144

16r = 80

r = 5

4 0
3 years ago
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Each car on a train has 30 rows of seats. There are 6 seats in each row. How many seats are on each car of the train?
krok68 [10]

Answer:

180 seats on each car of the train.

Step-by-step explanation:

30 × 6 = 180

rows of seats × seats in each row = seats on each car of the train

6 0
3 years ago
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