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Reptile [31]
2 years ago
15

tom and jane want to build a round swimming pool in their backyard that is 20 feet across . how many square feet will the pool b

e ?
Mathematics
1 answer:
natulia [17]2 years ago
6 0
Tom and Jane r rich !
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A model satellite has a scale of 1 cm : 3 m. If the real satellite is 18 m wide, then how wide is the model satellite?
mihalych1998 [28]
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1cm : 3cm
= 1 x 6 cm : 3 x 6 m
= 6cm : 18m
8 0
2 years ago
Help would be greatly appreciated!
NNADVOKAT [17]

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D the answer is D, thats when cos and sin are equal together

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2 years ago
If the pattern in the table continues when will sales for DVD players equal sales for mobile phones?
omeli [17]

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<em>never </em>because they are continually increasing at the same rate without multiplying and dividing

3 0
2 years ago
I keep getting (10,5) or (0,5) someone pls help
rodikova [14]

Answer:

(4,-3)

Step-by-step explanation:

Multiplying the bottom equation by -6, we get -6x+12y=-60.

Adding this to the first equation gives 15y=-45, and thus y=-3.

So, it follows that 6x+3(-3)=15, and thus x=4.

4 0
2 years ago
(Picture) MULTIPLYING MONOMIALS AND BINOMIALS
motikmotik

Answer:

Second option: 81y^4 - 16x^2, the difference of squares

Step-by-step explanation:

(9y^2-4x)(9y^2+4x) is a special product named difference of squares, then we can apply this formula:

(a-b)(a+b)=a^2-b^2, with a=9y^2 and b=4x, then:

(9y^2-4x)(9y^2+4x)=(9y^2)^2 - (4x)^2

(9y^2-4x)(9y^2+4x)=(9)^2 (y^2)^2 - (4)^2 (x)^2

(9y^2-4x)(9y^2+4x)=81y^(2*2) - 16x^2

(9y^2-4x)(9y^2+4x)=81y^4 - 16x^2


7 0
3 years ago
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