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dimulka [17.4K]
3 years ago
6

Distributive Property​

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
7 0

Answer: 9) 15m-30

11.) 5b-5

Step-by-step explanation:

With Distributive Property, you are basically looking at the question like this: (5*3)m +(5*-6)

When you take a negative and multiply it with a positive it will be a negative number.

it would then get simplified as

15m-30

Same with number 11. look at it as

(5*1)b +(5*-1)

again a negative and a positive gets you a negative so your answer would be

5b-5

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Plz help me i need this done soon :(
77julia77 [94]

Answer:

69.08

Step-by-step explanation:

Formula: C=Pi(d)

c=22 x 3.14 = 69.08

3 0
3 years ago
A person jogged 10 times along the perimeter of a rectangular field at the rate of 12 kilometers per hour for 30 minutes. If the
notsponge [240]

Answer:

<u>The area of the rectangular field is 20,000 square meters.</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Number of times a person jogged along the rectangular field = 10

Speed of the person jogging = 12 km per hour

Time he/she jogged = 30 minutes = 0.5 hours

Length of the field = twice its width

2. Find the area of the field in square meters.

Step A: Let's calculate the distance the person jogged

Let's recall the formula of the speed:

Speed = Distance/Time

Distance = Speed * Time

Replacing with the values we know:

Distance = 12 * 0.5

<u>Distance = 6 kilometers</u>

Step B: Let's calculate the perimeter of the rectangular field

Distance jogged = ¨Perimeter * 10

6 kilometers = Perimeter * 10

Perimeter = 6/10

<u>Perimeter = 0.6 kilometers = 0.6 * 1,000 = 600 meters</u>

Perimeter = 2 * Length + 2 * Width

x = Width of the rectangular field

2x = Length of the rectangular field

600 = 2 * 2x + 2 * x

600 = 4x + 2x

600 = 6x

<u>x = 600/6 = 100 meters ⇒ 2x = 200 meters</u>

Step C: Let's calculate the area of the rectangular field

Let's recall the formula of the area of a rectangle:

A = Length * Width

A = 200 * 100

<u>A = 20,000 m² (square meters)</u>

7 0
4 years ago
How many 1/2s are in 7? Then, write a multiplication equation and a division equation that answer the question.
vova2212 [387]

Answer:

14

Step-by-step explanation:

How many 1/2s are in 7? Then, write a multiplication equation and a division equation that answer the question.

Let the number of 1/2s = x

Hence:

Division Equation =

7 ÷ 1/2

Multiplication Equation =

= 7 × 2/1

= 14

There are 14 1/2s in 7

7 0
3 years ago
What is the solution to the following system of equations 2x+3y=3 and -3x-2y=8
SpyIntel [72]
<span>2x+3y=3
</span><span>-3x-2y=8

3y=3-2x
-2y = 8+3x

y = 1 - 2x/3
y = -4 - 3x/2

</span>1 - 2x/3 =  -4 - 3x/2

5 = - 3x/2 + 2x/3

5 = -9x/6 + 4x/6

5 = -5x/6

x = 5 * 6/-5

x = -6

No plug it in.

<span>2x+3y=3 ; x = -6

-12 + 3y = 3

3y=3+12

3y=15

y = 5

So </span>x = -6 and y = 5
3 0
4 years ago
the number of people and dogs taking an obedience class increased from 1400 students to 1600 students. choose the percent increa
pogonyaev

Answer:

There're three answers.

14.285714285714285 - EXACT

14.28 - SIMPLIFIED

14 - ROUNDED/ESTIMATED

Step-by-step explanation:

Brainliest answer, please?

(You, the questioner, have to give it. It's not something brainly.com gives.)

1600 - 1400/1400 * 100 - EQUATION

5 0
4 years ago
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