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Reil [10]
3 years ago
9

Write an expression for h multiplied by 9 then evaluate that expression when h=3 full working out

Mathematics
2 answers:
Dimas [21]3 years ago
8 0

Answer:

9h

9(3) = 27

Step-by-step explanation:

expression for h multiplied by 9

9h

evaluate that expression when h=3

9(3) = 27

garri49 [273]3 years ago
3 0

Answer:

9h

h=3

substitute 3 into h

9(3)=27

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A number to the 8th power divided by the same number to the 5th power equals 512. What is the number?
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3 years ago
The diagonal is a of a rectangular field is 169m. If the ratio of the length to the width is 12:5 find the dimensions
Aleks04 [339]

Based on the calculations, the dimensions of the rectangle are

  1. Length, L = 156 meters.
  2. Width, w = 65 meters.

<h3>What is a diagonal?</h3>

The diagonal of a rectangle can be defined as a line segment that connects any two (2) of its non-adjacent vertices together while dividing the rectangle into two (2) equal parts.

Mathematically, the length of diagonals of a rectangle can be calculated by using this formula:

d = √(l² + w²)

Where:

  • d is the diagonal of a rectangle.
  • l is the length of a rectangle.
  • w is the width of a rectangle.

Since the ratio of the length to the width is 12:5, we have:

Width, w = 5l/12

Substituting the given parameters into the formula, we have;

169 = √(l² + (5l/12)²)

169² = l² + (5l/12)²

169² = l² + (25l²/144)

Length, L = 156 meters.

For the width, we have:

Width, w = 5l/12

Width, w = 5(156)/12

Width, w = 65 meters.

Read more on rectangle here: brainly.com/question/25292087

#SPJ1

4 0
2 years ago
In triangle DEF, DK is the angle bisector of angle EDF. If EK=2, FK=5, and DF=10, what is the length of DE?
fiasKO [112]

Answer:

4 units

Step-by-step explanation:

In triangle DEF, DK is the angle bisector of angle EDF.

<u>Angle bisector theorem</u> states that if a ray bisects an angle of a triangle, then it divides the opposite side into segments that are proportional to the other two sides.

Hence,

\dfrac{DE}{DF}=\dfrac{EK}{KF}

Thus,

\dfrac{DE}{10}=\dfrac{2}{5}\\ \\5DE=2\cdot 10\\ \\5DE=20\\ \\DE=4

6 0
4 years ago
Which one is greater 26.2,262,275
Vesna [10]

Answer:

275

Step-by-step explanation:

Greatest number to lowest number sequence:

275, 262, 26.2

6 0
3 years ago
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