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3 years ago

A rectangle table is 14 centimeters long and 12 centimeters wide. What is it’s perimeter

Mathematics

1 answer:

djyliett [7]3 years ago

6 0

Answer:

Perimeter = 52 centimeters

Step-by-step explanation:

The perimeter of a rectangle, is the length of all of the sides of a rectangle added together.

Each rectangle has two equal lengths, and two equal widths. Since we know the length is equal to 14, then the two lengths together would be 28. The width is 12, and the two widths together are 24.

Finally we add the 28 and 24 together to find the total perimeter of 52 centimeters.

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Jocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn's

Novay_Z [31]

Answer:

Step-by-step explanation:

$\frac{5.62 - 5.5}{5.62}$ =

$\frac{0.12}{5.62}$ =

2.135231316726% ≈ 2.14% ≈ 2%

3 0

3 years ago

Need help with problem

Fittoniya [83]

Answer:

Step-by-step explanation:

<h2>SINCE THE LINES ARE PARALLEL THEN ANGLE A AND ANGLE B ARE COREESPONDING TO EACH OTHER.</h2><h3>A = 7x + 24 </h3><h3>B= 3x+ 92</h3><h3>A=B</h3><h3>7x + 24 = 3x + 92 </h3>

7x - 3x = 92 - 24

4x = 68

x = 68 / 4

x =17

3 0

3 years ago

Read 2 more answers

What divided by what equals 17

bonufazy [111]

17/1, 34/2, 68/4, etc.

3 0

4 years ago

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Solve the inequality. then, graph the solution. fill in the boxes to solve the inequality .

fenix001 [56]

Answer:

b < 64

First box: 8

Second box: 8

Third box: <

Fourth box: 64

*Look carefully so you don't enter the wrong numbers*

Step-by-step explanation:

$\frac{b}{8} < 8$

$8*\frac{b}{8} < 8*8$

$b < 64$

*View attach graph*

Hope this helps!

8 0

3 years ago

A palm tree casts a shadow that is 7 m shorter than its height. The distance from the top of the tree to the tip of the shadow i

Masteriza [31]

Answer:

The palm tree is 12 m tall.

Step-by-step explanation:

1. The first to see is to consider this as triangle formed by the palm tree, the shadow, and the line from the top of the tree to the tip of the shadow to the tip the palm.

2. Assign variables to each distance in the triangle

Palm length= X

Shadow length= y

line from the top of the tree to the tip of the shadow to the tip the palm = Z

3. Describe the equation, reading the text:

(1) y=x-7

(2) z=x+1

(3) $z^{2} =x^{2} +y{2}$ (this last one is from pitagoras theorem)

4. We solve the system:

{y = x - 7, z = x + 1, z^2 = x^2 + y^2}

Solutions

x = 4, y = -3, z = 5

x = 12, y = 5, z = 13

Since the distance can't be negative. The answer is the palm tree is 12 meters tall.

https://www.wolframalpha.com/input/?i=y%3Dx-7%3B+z%3Dx%2B1%3Bz%5E2%3Dx%5E2%2By%5E2

6 0

3 years ago

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