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garri49 [273]
3 years ago
8

Please help me with please solving for x and y

Mathematics
2 answers:
beks73 [17]3 years ago
4 0

Answer:

first put in equation

Step-by-step explanation:

put the whole thing in a equation

Sladkaya [172]3 years ago
3 0
  • x = 13.5
  • y = 3.5

Step-by-step explanation:

  • Solving for x

7x + 30 = 11x - 24

30 + 24 = 11 - 7x

54 = 4x

54/4 = x

27/2 = x

<u>13.5 = </u><u>x</u>

  • Solving for y

5y + 38 = 17y - 4

38 + 4 = 17y - 5y

42 = 12y

42/12 = y

21/6 = y

7/2 = y

<u>3.5 = y</u>

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Answer:

12 minutes

Step-by-step explanation:

4 minutes= 7 kilometers

=> 4*3 minutes= 7*3 kilometers

=12minutes=21km

8 0
4 years ago
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Y= 58x + 55
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7 0
3 years ago
Solve this problem out
Virty [35]

Option C

When (2x - 3)^2 is subtracted from 5x^2 then the result is x^2 + 12x - 9

<h3><u>Solution:</u></h3>

Given that (2x - 3)^2 is subtracted from 5x^2

We have to find the result

Subtraction is a mathematical operation that tells us the difference between two numbers.

When "a" is subtracted from "b", we write in mathematical expression as "b - a"

So (2x - 3)^2 is subtracted from 5x^2 is written mathematically as:

\rightarrow 5x^2 - (2x - 3)^2

<em><u>Expanding the above expression using algebraic identity:</u></em>

(a-b)^2 = a^2 - 2ab + b^2

\rightarrow 5x^2 - ((2x)^2 -2(2x)(3) + (3)^2)\\\\\rightarrow 5x^2 - (4x^2 - 12x + 9)

Multiplying the nnegative sign with terms inside bracket

<em><u>There are two simple rules to remember: </u></em>

  • When you multiply a negative number by a positive number then the product is always negative.
  • When you multiply two negative numbers or two positive numbers then the product is always positive.

\rightarrow 5x^2 - (4x^2 - 12x + 9)\\\\\rightarrow 5x^2 - 4x^2 + 12x -9\\\\\rightarrow x^2 + 12x - 9

Hence the result is: x^2 + 12x - 9

3 0
3 years ago
The board of directors of Midwest Foods has declared a dividend of $3,500,000. The company has 300,000 shares of preferred stock
FinnZ [79.3K]

Answer:

  1. $855,000
  2. Dividend per share of common stock = $1.06

Step-by-step explanation:

1. Preferred Share dividends.

There are 300,000 preference shares and each of them got $2.85. Total dividends are;

= 300,000 * 2.85

= $855,000‬

2. Total dividends = $3,500,000

Dividends left for Common Shareholders (preference gets paid first)

= 3,500,000 - 855,000

= $2,645,000

Common shares number 2,500,000

Dividend per share of common stock = \frac{2,645,000}{2,500,000}

= $1.06

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It would be a 90%. In the calculator 18 is what percent of 20.
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