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3 years ago

List the size of DEF in order from shortest to longest

Mathematics

2 answers:

Nastasia [14]3 years ago

6 0

Answer:

DE, EF, and DF

Step-by-step explanation:

IT TO THE BEST OF MY BRAIN!!!! HAVE A NICE DAY!!!

babymother [125]3 years ago

5 0

Answer:

i would probably go with DE, EF, and DF

Step-by-step explanation:

i hope this helps :))

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Find the approximate side length of a square game board with an area of 105 in2.

aleksley [76]

Answer:

Rounded to the nearest inch: 10

Rounded to the nearest tenth: 10.2

Rounded to the nearest hundredth: 10.25

Step-by-step explanation:

To find the area of a square, we multiply the side length by itself, or in other words, SQUARE the side length!

$A=s^2$

We are given the area, so plugging that into our equation looks like this:

$105=s^2$

To eliminate the exponent, take the square root of both sides of the equation!

$\sqrt{105}=s$

From here, there are a few paths to take, depending on what your teacher is looking for. I will evaluate the approximate of the square root by finding the nearest perfect squares.

The nearest perfect square less than √105 is √100, and the nearest perfect square greater than √105 is √121.

105 is closer to 100 than to 121, so √105 is closer to √100.

√100 is equal to 10, so the √105 is approximately 10 inches!

Using a calculator to check:

$\sqrt{105}=10.247$ inches

8 0

1 year ago

3x - 4 = -31 What is x?

SSSSS [86.1K]

3x-4=-31
+4 +4
3x=27
X=9

Hope this helps

5 0

4 years ago

Read 2 more answers

PLEASE SOMEONE TELL ME HOW THEY GOT 423 cm AS THE ANSWER FOR A. I NEED HELP WITH THIS QUESTION!!!!!!!!!!!!!

3241004551 [841]

From the setup of the problem, the "length of the top of the bookcase, measured along the attic ceiling" will be the hypotenuse of a right triangle, the length "AB". We have both the angle between AB and AC and the length of AC (3.24 meters), so we can use trigonometric identities.

The cosine of the 40 degree angle between AB and AC is equivalent to the length of AC divided by the length of AB. Equivalently, we have:

$cos(40) = \frac{3.24}{h}$

where "h", the hypotenuse, is the length we want. Rearranging the formula to solve for h we have that

$h = \frac{3.24}{cos(40)}$

which is 4.2295... meters. Converting to centimeters (multiplying by 100) we have that h = 422.95... centimeters, or if we round the value, h = 423 centimeters.

6 0

3 years ago

Which expression can be used to find 57% of 230? ⊥ω⊥

ella [17]

Answer:

131.10 (Answer C)

Step-by-step explanation:

Convert 57% to 0.57 and then multiply 230 by 0.57:

0.57(230) = 131.10

This is Answer C

4 0

3 years ago

Elizabeth wants to use a sheet of fiberboard 27 inches long to create a skateboard ramp with a 17^{\circ}

erma4kov [3.2K]

The height of the ramp above the ground from its highest end is 7.9 inches.

<h3>What is height?</h3>

Height is the vertical distance between two points.

To calculate the height of the ramp above the ground, we use the formula below.

Formula:

h = Lsin∅............. Equation 1

Where:

h = Height of the ramp above the ground
L = Length of the fiberboard
∅ = Angle of elevation from the ground

From the question,

Given:

L = 27 inches
∅ = 17°

Substitute these values into equation 1

h = 27×sin17°
h = 7.89
h ≈ 7.9 inches

Hence, the height of the ramp above the ground is 7.9 inches.

Learn more about height here: brainly.com/question/23144757

#SPJ1

3 0

1 year ago

List the size of DEF in order from shortest to longest​

List the size of DEF in order from shortest to longest