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serious [3.7K]
3 years ago
5

If 12 out of 15 people recycle aluminum cans, how many people out of 1 million would you expect to recycle? ( Answer fast please

!! Due in 20 minutes thank you !)
Mathematics
1 answer:
Nitella [24]3 years ago
4 0

Answer:

800,000 people

Step-by-step explanation:

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The volume of a sphere is 1436.76 cm3, find the diameter of the sphere to the nearest
luda_lava [24]

Answer:

the raduis of this sphere is 7 so the diameter is 2r which is 2*7=14 the daimeter is 14

Step-by-step explanation:

5 0
3 years ago
speed of 79 mph. new Orleans and Tennessee are 395.1 miles apart. how long will it take to reach Tennessee?
Bingel [31]
395 divided by 79 = 5.001265823 hours
3 0
3 years ago
Find a cubic polynomial that goes through points (4, – 22) and (3, - 26) and has tangents with slopes
Salsk061 [2.6K]

Let <em>f(x)</em> = <em>ax</em> ³ + <em>bx</em> ² + <em>cx</em> + <em>d</em>.

The graph of <em>f(x)</em> passes through (4, -22) and (3, -26), which means <em>f</em> (4) = -22 and <em>f</em> (3) = -26, so that

64<em>a</em> + 16<em>b</em> + 4<em>c</em> + <em>d</em> = -22

27<em>a</em> + 9<em>b</em> + 3<em>c</em> + <em>d</em> = -26

When the question says it has tangents at some point, I take that to mean the slope of the tangent line at that point is the given number. So <em>f '</em> (4) = 11 and <em>f '</em> (3) = -2. We have

<em>f '(x)</em> = 3<em>ax</em> ²+ 2<em>bx</em> + <em>c</em>

so that

48<em>a </em>+ 8<em>b </em>+ <em>c</em> = 11

27<em>a </em>+ 6<em>b</em> + <em>c</em> = -2

Solve the system:

• Eliminate <em>d</em> :

(64<em>a</em> + 16<em>b</em> + 4<em>c</em> + <em>d</em>) - (27<em>a</em> + 9<em>b</em> + 3<em>c</em> + <em>d</em>) = -22 - (-26)

→   37<em>a</em> + 7<em>b</em> + <em>c</em> = 4

• Eliminate <em>c</em> :

(48<em>a </em>+ 8<em>b </em>+ <em>c</em>) - (27<em>a </em>+ 6<em>b</em> + <em>c</em>) = 11 - (-2)

→   21<em>a</em> + 2<em>b</em> = 13

(48<em>a </em>+ 8<em>b </em>+ <em>c</em>) - (37<em>a</em> + 7<em>b</em> + <em>c</em>) = 11 - 4

→   11<em>a</em> + <em>b</em> = 7

• Eliminate <em>b</em>, then solve for <em>a</em> and the other variables:

(21<em>a</em> + 2<em>b</em>) - 2 (11<em>a</em> + <em>b</em>) = 13 - 2 (7)

-<em>a</em> = -1

<em>a</em> = 1   →   <em>b</em> = -4   →   <em>c</em> = -5   →   <em>d</em> = -2

Then

<em>f(x)</em> = <em>x</em> ³ - 4<em>x</em> ² - 5<em>x</em> - 2

7 0
3 years ago
Sarah's Heavenly Cupcakes
fomenos

What is your question? Could you further explain what you are asking?

8 0
3 years ago
Solve log x = 4.<br> a. x = 4<br> b. x = 40<br> c. x = 1,000<br> d. x = 10,000
garik1379 [7]

Answer:

d. x =10,000

Step-by-step explanation:

log x = 4.

log₁₀ x = 4

x = 10⁴ = 10 x 10 x 10 x 10 = 10,000

6 0
3 years ago
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