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Zigmanuir [339]
3 years ago
6

What is the total surface area if the composite figure below?

Mathematics
1 answer:
trasher [3.6K]3 years ago
5 0

(8cm×5cm)+(1/2×5×5)cm^2

=40cm^2+12.5cm^2

=52.5cm^2

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Suppose a fair six sided die has been relabeled so that the 6 is replaced with another 5,i.e., the sides read 1,2,3,4,5,5. If th
Anvisha [2.4K]

Answer:

P(rolling five distinct values) = 1/3888

Step-by-step explanation:

We are told that I the fair sided dice, 6 is replaced with 5.

Thus,the numbers are now;

1,2,3,4,5,5.

This means a total of 6 possible numbers appearing.

Now, in these 6 numbers there are only 5 distinct numbers since 5 occurs twice.

P(1) = 1/6

P(2) = 1/6

P(3) = 1/6

P(4) = 1/6

P(5) = 2/6

Thus,probability of rolling 5 distinct values = 1/6 × 1/6 × 1/6 × 1/6 × 2/6 = 1/3888

8 0
3 years ago
Select the correct difference.<br><br> 5d 2 + 4d - 3 less 3d 2 - 2d + 4
katen-ka-za [31]
<span>5d^2 + 4d - 3 - (3d^2 - 2d + 4)
=</span>5d^2 + 4d - 3 - 3d^2 +  2d - 4
= 2d^2 + 6d - 7
5 0
3 years ago
A yacht is anchored 90 feet offshore
Stells [14]

The height of the  lighthouse is 44 feet.

<u>Step-by-step explanation:</u>

You are given more information than you need.

Use the right triangle concept,

A yacht is anchored 90 feet offshore from the base of a lighthouse.

  • Base = 90 feet
  • Height = h feet

The angle of elevation from the boat to the top of  the lighthouse is 26 degrees.

<u>Using one side length and the angle only: </u>

The trigonometric formula is given as,

tan = height / base

tan[26º] = h ⁄ 90

 h = 90 × tan[26º]

h = 43.9 ft

h = 44 feet

Therefore, the height of the  lighthouse is 44 feet.

8 0
3 years ago
Read 2 more answers
Help with math homework pls!
Svetach [21]

the correct answer is a^6


5 0
3 years ago
The perimeter of a rectangular painting is 304 centimeters. If the length of the painting is 85 centimeters, what is its width?
Brums [2.3K]

Answer:

3.58

Step-by-step explanation:

You have to divide 304 by 85

you will get 3.57647058824

You have to round it to the nearest hundedth which will leave you with 3.57

4 0
2 years ago
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