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Alborosie
3 years ago
9

Apply the definition of subtraction and properties of operations to find the result.

Mathematics
1 answer:
ruslelena [56]3 years ago
4 0

Answer:-3/7

Step-by-step explanation:

I'm 99% sure that the properties only apply to + and X

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Find the volume of the composite solid.
Softa [21]

Answer:

156 ft³

Step-by-step explanation:

Volume of the composite solid = volume of the square prism + volume of the square pyramid

✔️Volume of rectangular prism = a²h

a = 6 ft

h = 3 ft

Volume = 6²*3 = 36*3

Volume = 108 ft³

✔️Volume of square pyramid = ⅓(a²*h)

a = 6 ft

h = 4 ft

Volume = ⅓(6²*4) = ⅓(36*4)

Volume = 48 ft³

✅Volume of the composite solid = 108 + 48 = 156 ft³

7 0
3 years ago
1 and the
umka2103 [35]

Answer:    There is a bunch of spelling mistakes in ur thing

Step-by-step explanation:

6 0
2 years ago
How would you identify a perfect square trinomial? Give an example.
belka [17]

Answer:

"Perfect square trinomials" are quadratics which are the results of squaring binomials. (Remember that "trinomial" means "three-term polynomial".)

For instance:

(x + 3)2

= (x + 3)(x + 3)

= x2 + 6x + 9

...so x2 + 6x + 9 is a perfect square trinomial.

7 0
2 years ago
Please help meeee mmmm
Lapatulllka [165]

three=3\\\\seven\ eighths=\dfrac{7}{8}\\\\3\dfrac{7}{8}=\dfrac{3\cdot8+7}{8}=\dfrac{24+7}{8}=\dfrac{31}{8}\\\\Answer:\ \boxed{\dfrac{31}{8},\ 3\dfrac{7}{8}}

8 0
3 years ago
Please help me ASAP!!
choli [55]

Answer:

r = -4

Step-by-step explanation:

If M is the midpoint of DE, that would mean that the distance from M to D and M to E would be the same.

This creates the equation 1-8r=13-5r.

Now it's just simple algebra.

You add 8r to both sides, creating 1=13+3r. Then, you subtract 13 from both sides, getting 3r=-12. Dividing both sides by 3 and solving for r, you get r=-4.

Checking our answer, you see that 1-8(-4)=1-(-32)=1+32=33, and 13-5(-4)=13-(-20)=13+20=33.

8 0
3 years ago
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