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3241004551 [841]
3 years ago
12

Solve 2y = 6x + 10 y = 2x + 4

Mathematics
1 answer:
mihalych1998 [28]3 years ago
7 0

Answer:

x =-1

Step-by-step explanation:

\left \{ {{2y = 6x +10} \atop {y = 2x +4}} \right.

replace y by 2x +4 in the first equation

2(2x + 4) = 6x + 10

4x + 8 = 6x + 10

-2x +8 = 10

-2x = 2

x = -1

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3 years ago
A shirt was originally priced at $30. The store is having a 5% off sale. How much will you pay for the shirt after the discount
pishuonlain [190]

Answer:

$28.50

Step-by-step explanation:

multiply 30 by 5 then divide by 100 and subtract the answer by 30

30×5=150

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8 0
4 years ago
I have a 3 foot board that needs to be equally decided into 1/2 how many extra peices will I have
anygoal [31]

Answer:

No extra pieces.

Step-by-step explanation:

Given:

Total number of foot board = 3

Equally divided into =  1/2

Question asked:

How many extra pieces will I have = ?

Solution:

By dividing 3 by 1/2 we can find the extra pieces.

                                                                 = 3\div\frac{1}{2}

                                                                 = 3\times\frac{2}{1}

                                                                 = 6

Since, the remainder is zero, thus there is no any extra pieces I have.

7 0
3 years ago
48 is what percent of 114
SSSSS [86.1K]
48% is 54.72 of 144
Hope it helped

3 0
3 years ago
Read 2 more answers
In ∆ABC the angle bisectors drawn from vertices A and B intersect at point D. Find m∠ADB if: m∠C=130°
Zepler [3.9K]

Answer:

  m∠ADB = 155°

Step-by-step explanation:

  m∠ADB = (m∠C)/2 + 90° = 130°/2 + 90°

  m∠ADB = 155°

_____

Reference brainly.com/question/17443119 for the derivation.

3 0
3 years ago
Read 2 more answers
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