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3 years ago

Matidle is considering getting a credit card and using it instead of cash which of these is a good reason for her to do so

Mathematics

1 answer:

Katarina [22]3 years ago

6 0

Answer:C

Step-by-step explanation:

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According to the distributive property what is 3(a+b)

lapo4ka [179]

Using the Distributive Property 3(a + b) = 3a + 3b. To use the Distributive property, multiply the term on the outside of the parentheses by each term on the inside of the parentheses.

4 0

3 years ago

Solve the system: 2/x - 3/y =-5; 4/x + 6\y =14

sertanlavr [38]

The solution is $x = 2 \text{ and } y = \frac{1}{2}$

Solution:

Let us assume,

$a = \frac{1}{x}\\\\b = \frac{1}{y}$

Given system of equations are:

$\frac{2}{x} - \frac{3}{y} = -5$

$\frac{4}{x} + \frac{6}{y} = 14$

Rewrite the equation using "a" and "b"

2a - 3b = -5 ------------ eqn 1

4a + 6b = 14 -------------- eqn 2

Let us solve eqn 1 and eqn 2

Multiply eqn 1 by 2

2(2a - 3b = -5)

4a - 6b = -10 ------------- eqn 3

Add eqn 2 and eqn 3

4a + 6b = 14

4a - 6b = -10

( - ) --------------------

8a = 4

$a = \frac{4}{8}\\\\a = \frac{1}{2}$

Substitute a = 1/2 in eqn 1

$2(\frac{1}{2}) -3b = -5\\\\1 - 3b = -5\\\\3b = 6\\\\b = 2$

Now let us go back to our assumed values

Substitute a = 1/2 in assumed values

$a = \frac{1}{x}\\\\\frac{1}{2} = \frac{1}{x}\\\\x = 2$

Substitute b = 2 in assumed value

$b = \frac{1}{y}\\\\2 = \frac{1}{y}\\\\y = \frac{1}{2}$

Thus the solution is $x = 2 \text{ and } y = \frac{1}{2}$

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3 years ago

What is the missing value?

kirill [66]

Answer:

I guess 5⁴ is Missing value

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3 years ago

Someone please help me !!!!

solniwko [45]

There is an app to tell you the answer

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3 years ago

The sum of four consecutive integers is 34. find the least of the numbers.

steposvetlana [31]

Answer:

7 and 8

Step-by-step explanation:

the no. are 7,8,9,10

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3 years ago

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