MATHEMATICS HIGH SCHOOL

Evaluate a + b for a = 2 and b = 3.
1
5
6

Answers

Answer 1
Answer:
a = 2
b = 3.156

   (a + b)  =  (2) + (3.156)  =  5.156
Answer 2
Answer: just add if it were normal 2 + 3 = 5 and just out the .156

answer is 5.156

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A shape is made of 12 right triangles of equal size. Each right triangle has a base of 4 cm and a height of 5 cm. What is the total area, in square centimeters, of the shape?

Answers

Answer:

The total area of the shape is 120\ cm^(2)

Step-by-step explanation:

step 1

Find the area of one right triangle

The area of a triangle is equal to

A=(1)/(2)(b)(h)

we have

b=4\ cm

h=5\ cm

substitute

A=(1)/(2)(4)(5)=10\ cm^(2)

step 2

To find the total area of the shape multiply the area of one triangle by 12

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A=12(10)=120\ cm^(2)

Answer:

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What numbers are divisble by 23 but are between 2 and 10?

Answers

That is impossible.

For a number to be divisible by 23, it has to be greater than 23.

A number cannot be greater than 23, if you have restricted it to be within the numbers 2 and 10.

How to write a verbal expression for 2n-10

Answers