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melomori [17]
3 years ago
14

Which property of addition is used in the expression? 0.5+ (0.4+0.8) = (0.5 +0.4) + 0.8

Mathematics
2 answers:
qwelly [4]3 years ago
7 0

Answer:

associative property

Step-by-step explanation:

because it involves grouping

AfilCa [17]3 years ago
6 0
Commutative property i think
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What is the area of the figure down below
kogti [31]

68


Explanation:

So to get this answer you need to split it into smaller shapes. We already have the squares so we know that 3*3 is 9 and then we double that because there are two of them.

So, so far we have 18+x

We need to take the middle shape and split it into two trapezoids.

The area for trapezoids is T=(a+b/2)h

So T= (3+7/2)5
T= 5*5=25
And then we would double that because there are two of them so 50 and then fill it in for x
18+50= 68 is the area of the figure.
3 0
3 years ago
A number y minus 12 is no more than −32.<br><br> The inequality is
Artyom0805 [142]

Answer:

y-12<-32

Step-by-step explanation:

just remember to underline the less than sign

3 0
2 years ago
A rectangle has an area of 36 inches squared. Write an equation to show how the length (l) varies inversely the width (w).
Anastaziya [24]
Start with the first sentence, and the definition of the area of a rectangle:
l * w = 36

Rewrite the equation to get
l = 36 / w
or
w = 36 / l
Either one shows the inverse relationship between w and l.

Assuming the last part wants you to write an equation for an x-y graph, the equation would be
y = 36 / x
8 0
3 years ago
The equation of a circle is given below. Identify the center and radius. Then graph the circle.
Blizzard [7]

Answer:

  • Center = (3, 0)
  • Radius = 3
  • Graph = see below

Concept:

Here, we need to know the idea of the circle equation.

Circle equation: (x - h)² + (y - k)² = r²

(h, k) = center

r = radius

x = variable

y = variable

Solve:

<u>Given expression </u>

(x - 3)² + y² = 9

<u>Find the point of the center</u>

(h, k) = \boxed{(3,0)}

<u>Find the length of the radius</u>

r² = 9

\boxed{r=3}

Hope this helps!! :)

Please let me know if you have any questions

3 0
2 years ago
Read 2 more answers
A5= -68 and r=-0.5 ; find a1
fiasKO [112]

Answer:

yes

Step-by-step explanation:

yes

3 0
3 years ago
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