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Ratling [72]
3 years ago
10

Is 0.4 over 0.8 a rational or irrational number

Mathematics
1 answer:
Rudik [331]3 years ago
5 0
It is a rational number and it equals 0.5 or 1/2
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A rectangle is 40 yards long and 30 yards wide. What is the length of the diagonal that cuts through the center?
choli [55]

Answer:

it should be 50

Step-by-step explanation:

Using the pythagorean theorem c = \sqrt{a^{2} +b^{2} } we get 50

4 0
3 years ago
Simplify this expression: 4(x+3)+3(5-x)
prisoha [69]

Answer:

x+27

Step-by-step explanation:

Let's simplify step-by-step.

4(x+3)+3(5−x)

Distribute:

=(4)(x)+(4)(3)+(3)(5)+(3)(−x)

=4x+12+15+−3x

Combine Like Terms:

=4x+12+15+−3x

=(4x+−3x)+(12+15)

=x+27

Hope you find this Useful!

8 0
2 years ago
Read 2 more answers
2. The ground below your feet moves at the rate at which
garik1379 [7]
I’m just going off of what I was told in fifth grade, and we were told it was finger nails. Hope this helps!
5 0
3 years ago
This is 13 points plz help ( no links ) explain your answer plz<br> ( only answer if u know it )
umka21 [38]
The answer is 960 :)
4 0
3 years ago
I need help finding the area of these two​
S_A_V [24]

Answer:

50 cm² and 56 cm²

Step-by-step explanation:

The area (A) is calculated as

A = \frac{1}{2} × d₁ × d₂ ( d₁ and d₂ are the length of the diagonals )

(2)

A = \frac{1}{2} × (8 + 2) × (5 + 5)

   = 0.5 × 10 × 10

   = 5 × 10

    = 50 cm²

(3)

A = \frac{1}{2} × (12 + 2) × (4 + 4)

   = 0.5 × 14 × 8

   = 7 × 8

    = 56 cm²

6 0
3 years ago
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