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rjkz [21]
4 years ago
8

Work out area of a triangle base 9cm height 4cm

Mathematics
2 answers:
insens350 [35]4 years ago
6 0
Area = 1/2 x base x height

Area = 1/2 x 9 x 4

Area = 9 x 2

Area = 18 cm^2
Temka [501]4 years ago
5 0
The formula is half base times the height. That would mean 9 x 4= 36, then you half 36, which gives you 18. Please tell me if you don't understand, I might have a bad explanation
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4 0
3 years ago
Use the number line to show and explain why 4/10 ÷ 2 and 4/10 × 1/2 both equal 2/10
Vesna [10]

Step-by-step explanation:

When you divide by a number, you basically are multiplying by the reciprocal

The reciprocal of 2 is 1/2

4/10 ÷ 2 = 4/10 × 1/2 = 2/10

4/10 × 1/2 = 2/10

Using a number line,

Start at 4/10 and move down by 2 until you reach 0

Start at 4/10 and move up by 1/2 from 0 until you reach 4/10

(Count the number of humps)

Both will be the same

4 0
3 years ago
Need help on 25. Please show your work
Alexxx [7]
Base B (aka p) is equivalent to 18
p=18

3 0
4 years ago
What is the slope of the line with the equation 3y+5x=4
marta [7]

I think none of these are right. It's Y=-5/3x +4/3

7 0
3 years ago
Read 2 more answers
PLEASE ANSWER ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Roman55 [17]

Answer:

A

Step-by-step explanation:

if these are fractions than its A.

2x-4=2

4x-5=5/4

6 0
3 years ago
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