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tigry1 [53]
3 years ago
12

1. It is a four-digit whole number.

Mathematics
1 answer:
Digiron [165]3 years ago
3 0

Answer:

8624

Step-by-step explanation:

let's write four blanks to represent the number _ _ _ _

by rule #10 we can fill in one digit

_ 6 _ _

using rule 4 we can wee that the ones digit is 4

_ 6 _ 4

We know that the thousand's digit has to be an even number greater than 7 (which leaves 8 only)

8 6 _ 4

using rule 5 we can see that the tens digit is 2

get get

8624

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jek_recluse [69]
Strictly speacking, since 'c' is defined in the statement this shoudl work:

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Part 2) Rami has three pounds of oranges. In order to know how much a pound of oranges cost, he will have to divide by 3 the total cost of the three pounds 'c'

Part 3) The cost per pound is:

cost 1 pound of oranges = c/3
5 0
3 years ago
A candy distributor needs to mix a 10% fat-content chocolate with a 40% fat-content chocolate to create 100 kilograms of 22% fat
muminat
Let n be the 40%, and 100-n be the 10%. Then:
.4n+.1(100-n)=.22(100)
.3n+10=22
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n=40
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4 years ago
Write an equation in intercept form of the parabola that passes through the point (3,40) and has x-intercepts −5 and 4.
Maru [420]
The equation of this parabola will have the form f(x) = a(x+5)(x-4), which works out to f(x) = a(x^2 + x - 20).  Since the parabola passes thru (3,40),

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Thus, the equation of this parabola is     y = -5(x^2 + x - 20).
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3 years ago
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Answer:

3.

equation = \sqrt{7^2 + 12^2 } = c

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\sqrt{a^2 + b^2 } = c or a^2 + b^2 = c^2 or

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missing length = 13.9 inches

4. equation = \sqrt{24^2 + 32^2} = c

Using:

\sqrt{a^2 + b^2 } = c or a^2 + b^2 = c^2

24^2 + 32^2 = c^2

reduce to:

8 multiplied by everything:

3^2 + 4^2 = c^2

Since we know 3,4,5 is a Pythagorean triple, we can use this to find c.

Since c must be 5, we multiply by 8 since we divided by 8 earlier to get the 3,4,5 and get 40.

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The length of a garden is 25 feet.
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Answer:        686ft

Step-by-step explanation:    0

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