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Shalnov [3]
4 years ago
12

Subtract polynomials

Mathematics
1 answer:
antoniya [11.8K]4 years ago
5 0

Answer:

2a^{2} +4

Step-by-step explanation:

we have:

7a^2+4a+8 -5a^2 -4a -4

2a^2 +4

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4+5(6t+1) and 9+30t equivalent or not equivalent
andrezito [222]

Answer:

No, 4+5(6t+1) EQUALS 9+30t

And 9+30t Equals 3(3+10t)

Step-by-step explanation:

GCF=3

3(9/3 + 30t/ 3) =

3(3+10t)

And

4+5(6t+1)

4+30t+5

30t+ (4+5)

Simplifying =

30t+9

4 0
3 years ago
A beach ball has a diameter of 18 inches. What is the approximate volume of the beach ball?
balu736 [363]
1. To solve this problem, you must aplpy the formula for calculate the volume of a sphere, which is:
 
 V=4/3(πr)
 
 V is the volume of the sphere.
 r is the radius of the sphere.
 
2. You must calculate the radiius. You have that the beach <span>ball has a diameter of 18 inches, then:
 
 r=diametert/2
 r=18 inches/2
 r=9 inches
 
 3. When you substitute r= 9 inches into the formula, you obtain:
</span><span> 
 V=4/3(πr)
 V=3053.62 inches</span>³
4 0
3 years ago
7y=3x−7 Complete the missing value in the solution to the equation. (1, )
bija089 [108]
Plug 1 in for x to get 7y=3(1)-7

7y=-4
y=-4/7
7 0
3 years ago
Read 2 more answers
2x -2=x-<br> I’ll give 30 points
ratelena [41]

Answer:

Step-by-step explanation:

2x - 2 = x

Bringing like terms on one side

2x - x = 2

x = 2

8 0
3 years ago
Read 2 more answers
A circle has a radius of 11.4 cm
mojhsa [17]

Answer:

7.6pie

Step-by-step explanation:

120°/360°=X/11.4×2 pie

1/3×22.8 pie =X

X= 7.6 pie

3 0
2 years ago
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