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DaniilM [7]
3 years ago
12

Please help me out!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
marta [7]3 years ago
7 0

Answer:

Step-by-step explanation:

2x+y=14+y

x=7

7+13y=35-y

14y=28

y=2

klio [65]3 years ago
6 0

Answer:

<h2>y = 2</h2>

Step-by-step explanation:

\text{If}\ \overrightarrow{BD}\ \text{is the angle bisector of}\ \angle ABC,\ \text{then we have two equations:}\\\\(1)\qquad2x+y=14+y\\(2)\qquad5x-y=x+13y\\------------------\\\\(1)\\2x+y=14+y\qquad\text{subtract}\ y\ \text{from both sides}\\2x=14\qquad\text{divide both sides by 2}\\\boxed{x=7}\\\\\text{Put the value of x to (2):}\\\\5(7)-y=7+13y\\35-y=7+13y\qquad\text{subtract 35 from both sides}\\-y=-28+13y\qquad\text{subtract 13y from both sides}\\-14y=-28\qquad\text{divide both sides by (-14)}\\\boxed{y=2}

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Orlov [11]
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4 0
3 years ago
What is the standard form of this complex number? (24-10i)-(43+18i)
Yuki888 [10]

Answer:

-19-28i

Step-by-step explanation:

Simplify and write the answer in standard form, a+bi.

6 0
3 years ago
Jeremy has $120 in his saving account. Katie had $180 in her account. Each week Jeremy adds $14.00 to his account and Katie adds
valkas [14]

Answer:

15 weeks

Step-by-step explanation:

Let the number of weeks = x.

At the end of x weeks,

Jeremy has 120 + 14x,

and Katie has 180 + 10x

We want to know when their amounts are equal.

120 + 14x = 180 + 10x

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8 0
2 years ago
Read 2 more answers
Subtract j from 9, then subtract 3 from the result
Lera25 [3.4K]

Answer:

(9-j)-3

Step-by-step explanation:

Let's start from the beginning and subtract j from 9. Because the word "from" is used, 9 will be the first number and j will be the second number.

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Now, we have to subtract 3 from the final answer. So, we have (9-j)-3

7 0
3 years ago
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adelina 88 [10]

Answer:

4/6

Step-by-step explanation:

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5 0
3 years ago
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