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3 years ago

E is between D and F. Find DF. PLEASE HELP, PICTURE PROVIDED— DUE TMMR

Mathematics

1 answer:

german3 years ago

6 0

Answer:

Step by-step explanation:

6x=3x-1+13

common like terms (-1+13)

6x=3x+12

subtract 3x on both sides

3x=12

divide 3x on both sides

x=4

insert 4 into equation 6*4=24

3(4)-1+13=24

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Solve for x<br><br> x/4=4/10<br><br> Give your answer as an improper fraction in its simplest form.

ipn [44]

Answer:

1.6

hope this helps you!!!!!!!

6 0

3 years ago

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A rectangle with dimensions of 3 units by 7 units is enlarged by a scale factor of 1.1. By what percent does it’s area increase?

Ratling [72]

Answer:

$21\%$

Step-by-step explanation:

Original dimensions of the rectangle

$l=7\ \text{units}$

$w=3\ \text{units}$

Area of the rectangle

$A=7\times 3=21\ \text{units}^2$

Scale factor = 1.1

New dimensions

$l'=7\times 1.1=7.7\ \text{units}$

$w'=3\times 1.1=3.3\ \text{units}$

The new area of the rectangle

$A'=7.7\times 3.3=25.41\ \text{units}^2$

Percentage change is given by

$\dfrac{A'-A}{A}\times 100\\ =\dfrac{25.41-21}{21}\times 100=21\%$

The percentage by which the area of the rectangle increases is $21\%$ .

8 0

3 years ago

How many square feet of outdoor carpet will we need for this hole?

Sidana [21]

For this you would want to break this figure up with familar shapes. You can do two triangles and one big rectangle.

First triangle:

(3)(2)(1/2)= 3 feet squared

Second Triangle:

(3)(4)(1/2)= 6 feet squared

Rectangle:

(11)(3)= 33 feet squared

Now you add:

33+3+6= 42 feet squared

So, for this hole you will need 42 feet squared of outdoor carpet

5 0

3 years ago

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What is 48 divided by 120

Alexandra [31]

The answer of this question is 0.4

3 0

3 years ago

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Alanah is picking up two friends to go to a concert. She drives from her house to pick up Mia, then she drives to pick up Teresa

Ksivusya [100]

Answer:

Total distance = 30.3 units

Step-by-step explanation:

Coordinates for the location of Alanah, Mia, Teresa and Arena are,

Alanah → (2, 8)

Mia → (8, 16)

Teresa → (8, 2)

Arena → (14, 4)

Distance between two points $(x_1,y_1)$ and $(x_2,y_2)$ is given by the formula,

d = $\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}$

Distance between Alanah and Mia = $\sqrt{(16-8)^2+(8-2)^2}$

= $\sqrt{100}$

= 10 units

Distance between Mia and Teresa = $\sqrt{(16-2)^2+(8-8)^2}$

= 14 units

Distance between Teresa and Arena = $\sqrt{(4-2)^2+(14-8)^2}$

= $\sqrt{40}$

= 6.3 units

Total distance of Alanah's trip to Arena = 10 + 14 + 6.3

= 30.3 units

3 0

3 years ago

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