3 years ago

Plz help!! tell me which ones you solve

Mathematics

1 answer:

Sauron [17]3 years ago

7 0

Answer:

Step-by-step explanation:

17)-8(5-n)=-96

-8*(5-n)-(-96)=0

(0 - 8 • (5 - n)) - -96 = 0

8n + 56 = 8 • (n + 7)

8 • (n + 7) = 0

Solve : 8 = 0

This equation has no solution.

A a non-zero constant never equals zero.

Solve : n+7 = 0

Subtract 7 from both sides of the equation :

n = -7

n = -7 is your answer

You might be interested in

The ratio of boys to girls in a group is 4:1. If there are 33 more boys than girls, work out how many people there are in total.

MissTica

Total number of people is 55

<u>Step-by-step explanation:</u>

Step 1:

Given ratio between boys and girls is 4:1. Let number of girls be x, so number of boys = 33 + x

⇒ 4x + x = x + 33 + x

⇒ 5x = 33 + 2x

⇒ 3x = 33

⇒ x = 11

Step 2:

Find total number of people.

33 + 2x = 33 + 22 = 55

7 0

2 years ago

Read 2 more answers

The least common multiple of two numbers is 60, and one of the numbers is 7 less than the other number. What are the numbers? Ju

Aleks [24]

To do this we need to find the factors of 60 these are:
1 and 60
2 and 30
3 and 20
4 and 15
5 and 12
6 and 10
There is 1 pair that have a difference of 7 and that is 5 and 12

6 0

2 years ago

Find the solutions to x² = 12.

Novosadov [1.4K]

Answer:

$x = \pm 2\sqrt3$

Step-by-step explanation:

Hello!

Let's use the square root property to solve this question

Solve:

$x^2 = 12$
$\sqrt{x^2} = \sqrt{12}$
$x = \pm\sqrt{12}$
$x = \pm \sqrt{4 * 3}$
$x = \pm 2\sqrt3$

The answer is option A: x = ±2√3

3 0

1 year ago

What is 7 2/3 + 8 5/6

Archy [21]

7 2/3 + 8 5/6 = 16 1/2 ( or 32/2 )

7 0

2 years ago

Read 2 more answers

The measure of acidity (pH) can be found with the model where pH is the acidity and H is the hydrogen ion concentration. (Rememb

Over [174]

Refer to photo attached

7 0

3 years ago