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svp [43]
2 years ago
10

Write an expression meaning 4 less than 5 times a number

Mathematics
2 answers:
Rudiy272 years ago
4 0

Answer:

Expression: 5 x n - 4

gladu [14]2 years ago
4 0

Answer:

5n - 4

Step-by-step explanation:

Let the number be n.  Then we get the expression 5n - 4.

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Answer:

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Step-by-step explanation:

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2 years ago
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How do i write log 4^2=16 in logarithmic form
ohaa [14]
Log16 4 = 2      
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7 0
3 years ago
A furniture designer builds a trapezoidal desk with a semicircular cutout. What is the area of the desk?
nirvana33 [79]

Answer:

Area = 26478cm^2

Step-by-step explanation:

Given

See attachment for desk

Required

The area

First, calculate the area of the semicircular cutout

Area = \frac{\pi r^2}{2}

Where

r = 60cm

So:

A_1 = \frac{3.14 * 60^2}{2}

A_1 = \frac{11304}{2}

A_1 = 5652cm^2

Next, the area of the complete trapezium

Area= \frac{1}{2}(a + b) * h

Where

a = 300

b = 2 * r = 2 * 60 = 120

h = 153

So:

A_2 = \frac{1}{2} * (300 + 120) * 153

A_2 = \frac{1}{2} * 420 * 153

A_2 = 32130cm^2

The area of the desk is:

Area = A_2 - A_1

Area = 32130cm^2 - 5652cm^2

Area = 26478cm^2

8 0
2 years ago
Will mark first answer brainliest
babymother [125]

Answer:

Step-by-step explanation:

B. -3

Hope that helps!

8 0
2 years ago
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In a laboratory, the count of bacteria in a certain experiment was increasing at the rate of 2.5 % per hour find the bacteria at
Daniel [21]

9514 1404 393

Answer:

  5187

Step-by-step explanation:

At the end of 1 hour, the count is 2.5% greater than at the beginning.

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The count at the end of the hour was about 5187.

4 0
2 years ago
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