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leonid [27]
3 years ago
5

10x+2 = 3x + 30 Find x (please)

Mathematics
1 answer:
Ganezh [65]3 years ago
7 0
Answer: x=4

10x-3x=30-2
7x=28
X=4
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A foam kickboard to use for swimming has two identical hand grips.
arsen [322]

Answer:

a. 215.6 in^3

b. 1.51 lb

Step-by-step explanation:

The area of each hand grip hole is that of a circle of radius 0.6 in together with a rectangle 2 in long and 1.2 in wide. So, that area is ...

π·(0.6 in)^2 + (2 in)(1.2 in) = (0.36π +2.4) in^2

The area of the kickboard before the hand grip holes are put in is that of a semicircle of radius 5.5 in together with a rectangle 12 in long and 11 in wide. So, that area is ...

(1/2)·π·(5.5 in)^2 + (12 in)(11 in) = (15.125π +132) in^2

Taking the hand grip holes out, the top area of the board is ...

((15.125π +132) -2(0.36π +2.4)) in^2

= (14.405π + 127.2) in^2

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a. The volume is the product of the area and the thickness, so is ...

((14.405π +127.2) in^2)·(1.25 in) ≈ 215.568 in^3

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b. The weight of the kickboard is the product of its volume and its density:

(215.568 in^3)(0.007 lb/in^3) ≈ 1.509 lb

4 0
3 years ago
In the era just prior to the Reformation, which of the following is true about the Catholic Church?
vovikov84 [41]
The answer is That it had a peaceful relationship with the protestants
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3 years ago
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Plz ans asap i havd limited time ill give brainliest
Artemon [7]

Answer:

C. $128

Step-by-step explanation:

320 x 0.5 = 160

320 - 160 = 160

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103.468 rounded to the nearest leader
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Step-by-step explanation:

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Answer:

a < 42

Step-by-step explanation:

Question : 4a + 9a - 6a < 42

Answer :

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13a - 6a < 42

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Divide both sides by 7.

a < 42

Hope this helps you :-)

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6 0
2 years ago
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