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Basile [38]
4 years ago
15

The length of a rectangle is 4 units more than its width. The area of the rectangle is 25 more than 4 times the width.

Mathematics
2 answers:
lisabon 2012 [21]4 years ago
8 0

Answer:

its d. 5

Step-by-step explanation:

never [62]4 years ago
6 0

Answer:

B or D ( answer = 5 => Two options is one! One of the options should be 5)

Note: The width of a rectangle will never be negative.

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The aspect ratio (the ratio of screen width to
stira [4]

Answer:

Width = 36in

Size = 42.02

Step-by-step explanation:

Given

x \to width

y \to height

x : y = 16 : 9

Required

The size of screen of height 20,6in

First, we calculate the width using the following equivalent ratios

16: 9 = x : 20.6

Express as fraction

\frac{16}{ 9} = \frac{x }{ 20.6}

Solve for x

x = 20.6 * \frac{16}{ 9}

x = 36.62

Hence:

Width = 36in --- approximated

So, we have:

x = 36.62

y =20.6

The size (diagonal) is then calculated using:

Size = \sqrt{x^2 + y^2

Size = \sqrt{36.62^2 + 20.6^2

Size = \sqrt{1765.3844

Size = 42.02

Size =42in --- approximated

8 0
3 years ago
Which fraction is equal to 35%
seraphim [82]

Answer:

7/20 is the fraction!!!!

8 0
3 years ago
Read 2 more answers
The sum of two numbers is 300 and the two numbers have a ratio of 20:10.find the larger number
Stolb23 [73]
The larger number is 200. The ratio is 20:10 and 200 + 100 = 300.
4 0
4 years ago
Read 2 more answers
I need help on part b the showing part!!
Nastasia [14]
X^2 = 3x + 5
x^2 - 3x - 5 = 0

a(alpha) and b(beta are roots
(x - a)(x - b) = 0
x^2 - (a+b)x + ab = 0

compare coefficients
a+b = 3
ab = -5

solving
(1/a^2 + 1/b^2)
= (a^2 + b^2)/(ab)^2
= (a^2 + 2ab + b^2 - 2ab)/(ab)^2
= [(a+b)^2 - 2ab]/(ab)^2
= [(3)^2 - 2(-5)]/(-5)^2 =...

prove
a^4 = 57a + 70

let x=a,
a^2 = 3a + 5
(a^2)^2 = (3a + 5)^2
a^4 = 9a^2 + 30a + 25
a^4 = 9(3a + 5) + 30a + 25
a^4 = 57a + 70

6 0
3 years ago
Given the function defined in the table below, find the average rate of change, in simplest form, of the function over the inter
Inessa [10]

The average rate of change, in simplest form, of the function over the interval 2 ≤ x ≤ 10 is 9

<h3>How to find the average rate of change, in simplest form, of the function over the interval 2≤x≤10?</h3>

The interval is given as:

2 ≤ x ≤ 10

From the table of values, we have

f(2) = 34

f(10) = 106

The average rate of change, in simplest form, of the function over the interval 2≤x≤10 is calculated as;

Rate = (f(10) - f(2))/(10 - 2)

This gives

Rate =(106 - 34)/(10 - 2)

Evaluate

Rate = 9

Hence, the average rate of change, in simplest form, of the function over the interval 2 ≤ x ≤ 10 is 9

Read more about average rate of change at

brainly.com/question/8728504

#SPJ1

7 0
1 year ago
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