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3 years ago

Two percent of half a number is 5. What is the number ?

Mathematics

2 answers:

11111nata11111 [884]3 years ago

7 0

Answer : 500
Explanation:

2/100 x (1/2)n = 5
n/100 = 5
n = 500

Anika [276]3 years ago

5 0

Answer:

500

Step-by-step explanation:

If 1% is 2.5 then 100% is 250. Since 250 is half of a number, you went then multiply by 2 to double that number which is 500.

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At a camp, kids can choose swimming, art, or music. 40 kids choose swimming, 16 choose art, and 24 choose music. What is the rat

Anna [14]

the ratio would be as follows

40:16

5:2

Worded there are five kids who choose to swim to every 2 kids that choose art.

this could also be written as a fraction 40/16 = 5/2

7 0

3 years ago

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Law Incorporation [45]

Answer:

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Step-by-step explanation:

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2 years ago

Suppose that g(x) = f(x) - 4. Which statement best compares the graph of

ArbitrLikvidat [17]

Answer:

The graph of g(x) is shifted 4 units down.

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3 years ago

What's the center of a circle whose equation is (x – 14)2 + (y + 21)2 = 64?

kvasek [131]

Answer:

The center of the circle is:

$\left(a,\:b\right)=\left(14,\:-21\right)$

Thus, option (2) is true.

Step-by-step explanation:

The circle equation is given by

$\left(x-a\right)^2+\left(y-b\right)^2=r^2$

here,

r = raduis

center = (a, b)

Given the equation

$\left(x-14\right)^2+\left(y+21\right)^2=64$

$\mathrm{Rewrite}\:\left(x-14\right)^2+\left(y+21\right)^2=64\:\mathrm{in\:the\:form\:of\:the\:standard\:circle\:equation}$

$\left(x-14\right)^2+\left(y-\left(-21\right)\right)^2=8^2$

comparing with the circle equation

$\left(x-a\right)^2+\left(y-b\right)^2=r^2$

Therefore, the center of the circle is:

$\left(a,\:b\right)=\left(14,\:-21\right)$

Thus, option (2) is true.

7 0

2 years ago

Can someone help me with number 2. Please explain your answer.

yKpoI14uk [10]

4x+y = 20
3x+y = 2
4x+y-3x-y = 20-2
x = 18

3x+y = 2
3.18 + y = 2
54 + y = 2
y = -52

6 0

3 years ago