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2 years ago

12

For brainly and points please explain thank you

2 answers:

alexira [117]2 years ago

8 0

Answer:

it's B, 39 people.

Step-by-step explanation:

so 39 x 12 = 468

486+275 = $743

yayy :)

kow [346]2 years ago

7 0

Answer:i do not know how to explain but 39

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9) Three times a number added to 12 gives -6. Find the number.

KatRina [158]

Answer:

The number is -6.

Step-by-step explanation:

Variable x = a number

Set up an equation:

3x + 12 = -6

Isolate variable x:

3x = -18

x = -6

Check your work:

3(-6) + 12 = -6

-18 + 12 = -6

-6 = -6

Correct!

7 0

3 years ago

Read 2 more answers

a glass jar has 64 chocolate. mark, dave and ralph will share the chocolate in the ratio of 1:1:2, how many chocolates will each

tia_tia [17]

Step-by-step explanation:

64/(1+1+2)

= 64/4

= 16

1 : 1 : 2

mark = 1×16 = 16

dave = 1×16 = 16

ralph = 2×16 = 32

8 0

2 years ago

Read 2 more answers

DETERMINE THE MISSING SIDE

MissTica

Answer:

21 in

Step-by-step explanation:

by the Pythagorean theorem we have

$841=400+x^2\\\\x^2=441\\\\x=21$

notice that the 841 and the 400 don't go squared because they already squared!

8 0

2 years ago

The area of a rectangle is 600 m² the width is 30 m what is the length

Angelina_Jolie [31]

Answer:

20m

Step-by-step explanation:

600 divided by 30 = 20

7 0

2 years ago

Jacob is a plumber. Due to increased material costs, he puts all his prices up by 7%. He now chargers R320 per hour for her serv

Lorico [155]

Answer:

R290.1

Step-by-step explanation:

Let

x = charge before he put his prices up

New charge = R320

Percentage increase in price = 7%

x + 7% of x = 320

x + 0.07 * x = 320

x + 0.07x = 320

1.07x = 320

x = 320/1.07

x = 299.06542056074

Approximately

x = R290.1

Charge before he put his prices up = R290.1

4 0

2 years ago