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4 years ago

PLEASE HELP!!!!!

Mathematics

1 answer:

Zinaida [17]4 years ago

3 0

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(X+5)+(x-5)=56 what does x=?

kirill115 [55]

Answer:

x=28

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

x+5+x−5=56

x+5+x+−5=56

(x+x)+(5+−5)=56(Combine Like Terms)

2x=56

Step 2: Divide both sides by 2.

2x/2=56/2

x=28

plz give me brainiest

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3 years ago

What is 14/35 as a percent?

olasank [31]

$\frac{14}{35} \times 100\% = 40\%$

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2 years ago

Solve for<br> 5(x - 10) = 3015<br> x 8

sveta [45]

Answer:

10/4823

Step-by-step explanation:

becauseit is

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3 years ago

Read 2 more answers

The length, in millimeters of each side of a square shaped electronic chip is a rational number. What statement is true about th

AVprozaik [17]

Answer:

The diagonal is irrational because it is a product of a rational and an irrational number

Step-by-step explanation:

The options are not given. However, the question is still answerable.

Given

Shape: Square

Length: Rational

Since the side length is said to be rational, I'll answer the question based on whether the diagonal is rational or not.

Having said that:

The diagonal (d) of a square with side length (l) is calculated using Pythagoras theorem.

$d^2 = l^2 + l^2$

$d^2 = 2l^2$

Take positive square root of both sides

$d = \sqrt{2l^2}$

Split:

$d = \sqrt{2} * \sqrt{l^2}$

$d = \sqrt{2} *l$

Recall that the side length (l) is rational.

However, $\sqrt 2$ is irrational.

So, the product of l and $\sqrt 2$ will be irrational

Hence:

The diagonal is irrational

8 0

3 years ago

Simplify: (3 × 22) ÷ 6 + [28 – (4)2] Question 17 options: A) 32 B) 23 C) 46 D) 55

algol13

Answer:

Step-by-step explanation:

Here the trick is to perform the indicated operations in the correct order. Anything inside parentheses must be done first, followed by any multiplication or division, followed by any addition or subtraction.

Doing the work inside parentheses first:

(3 × 22) ÷ 6 + [28 – (4)2] => (66) ÷ 6 + [28 - 8], or

(66) ÷ 6 + [28 - 8] => 11 + [20], or 31

3 0

3 years ago