2 years ago

Can someone help me?

Mathematics

1 answer:

IrinaK [193]2 years ago

6 0

Answer:

I figure you could simplify it by multiplying both sides by 6, resulting in -31+23=-30+18-1+5

-8=-8

Step-by-step explanation:

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The circles are identical. What is the circumference of each circle? Circle 1: radius of 2x; Circle 2: diameter of 2x+3. A. 3/2

Delicious77 [7]

Answer:

C=6π

Step-by-step explanation:

It is given that, two circles are identical. The radius of first circle is 2x and the diameter of other circle is 2x+3.

If identical, it means that the radius of both circles are same i.e.

$2x=\dfrac{2x+3}{2}\ \ (\because\ r=\dfrac{D}{2}, d=\text{diameter})\\\\4x=2x+3\\\\2x=3\\\\x=1.5$

Radius of both circles is 2(1.5)=3

The circumference of a circle is given by :

$C=2\pi r\\\\C=2\pi (3)\\\\C=6\pi$

So, the circumference of each circle is 6π.

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3 years ago

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

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There are 16 ounces in one pound. If 3.4 pounds of beef cost $4.95, what is the cost per ounce, to the nearest cent?

Alina [70]

$0.09 per ounce Because there are 16 ounces in a pound, 3.4 pounds is 3.4(16) = 54.4 ounces. To find cost per ounce, divide the cost in dollars by the number of ounces

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3 years ago

Cody increased the amount of money he saves each week from $40 to $75. By what percentage did Cody increase the amount of money

tresset_1 [31]

Step-by-step explanation:

75-40= 35

$\frac{35}{40} \times 100\% = 87.5\%$

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3 years ago

Can someone help me? ​

Can someone help me?