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2 years ago

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Mathematics

2 answers:

AVprozaik [17]2 years ago

8 0

Answer:

1. No that is not safe to be used at home because, the wire is broken so if you apply energy to the cord then you can get electrocuted and start a house fire.

2. A way to help keep your family safe is to throw the cord away if it's a object of some sort like a vacuum just buy a new one to make sure you and your family stay safe.

Step-by-step explanation:

<em>Hope this helps! Please consider marking brainliest! I hope you have an amazing day. Always remember, your smart and you got this! -Alycia :) </em>

ss7ja [257]2 years ago

6 0

Answer:

No.

Step-by-step explanation:

The rubber is what keeps the wire insulated and to stop it from shocking you. so no if you use that cable you are posing a hazard to yourself. Although chargers can have the rubber be torn and still work properly, it better not to take any chances. (i may or may not be wrong but do what you want)

Read more about democracy here:

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5 0

2 years ago

Twenty toothpicks, each 6 cm long, form a figure consisting of six equilateral triangles and a rectangle as shown. What is the t

Roman55 [17]

The total area of the figure is 139.20 square centimeters

Areas

The area of a shape is the amount of space it occupies

<h3>Composite figure</h3>

The figure (see attachment) is a composite figure, and the total area is the sum of the areas of each shape that makes up the complete figure

The shape has 6 equilateral triangles, each of which has an area of:

$A_1 = \sqrt{\frac{3s^2}{4}}$

Where:

$s = 6$ --- the length of each toothpick

The area of the rectangle is then represented as:

$A_2 =3s \times s$

$A_2 =3s^2$

So, the total area of the figure is:

$Total = 6A_1 + A_2$

This gives

$Total =6 \times \sqrt{\frac{3s^2}{4}} + 3s^2$

Substitute 6 for s

$Total =6 \times \sqrt{\frac{3(6)^2}{4}} + 3(6)^2$

$Total =6 \times \sqrt{27} + 108$

$Total =6 \times 5.20+ 108$

$Total =139.20$

Hence, the total area of the figure is 139.20 square centimeters

Read more about areas at:

brainly.com/question/21135654

7 0

2 years ago

−9,000÷3=−3,000 What does -3,000 tell me

soldier1979 [14.2K]

Answer:

Step-by-step explanation:

SEARCH IT UP!!!!!!!

3 0

3 years ago

N is an integer and - 2<n+3<4, write down the possible values of n from smallest to largest

Korolek [52]

Answer:

- 4, - 3, - 2, - 1, 0

Step-by-step explanation:

Given

- 2 < n + 3 < 4 ( subtract 3 from each interval )

- 5 < n < 1

This indicates that n ≠ - 5, 1 but all values in between, that is

n = - 4, - 3, - 2, - 1, 0 ← possible values of n

4 0

3 years ago

Marcela is registering for her college classes, which cost $105 per unit. How many units can she take to have a maximum cost of

OverLord2011 [107]

Answer:

Marcela can take up to 13 units.

Step-by-step explanation:

In order to find the number of units that Marcela can take for her college classes, we can set up an inequality and solve for the variable. Since each unit costs $105, we can say that 105u ≤ 1365 where u = the number of units. The number of units multiplied by the cost per unit, must be less than or equal to $1,365. In order to solve for 'u', we can use inverse (opposite) operations and get rid of the coefficient by dividing both sides of the inequality by 105. 1365÷105 = 13. So, the number of units that Marcela can take must be less than or equal to 13 units.

6 0

2 years ago

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