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3 years ago

What equation models the data in the table if d = number of days and c = cost?

Mathematics

1 answer:

Lera25 [3.4K]3 years ago

6 0

C = 11*(2*d) Try it and see that it fits every sample you have. Again this can be simplified to
C = 22 * d

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What is the slope for (5,7) (-4,-2)

Wewaii [24]

Answer:

Slope = 1

Step-by-step explanation:

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3 years ago

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13. A cube has a surface area of 150 ft. Determine the edge length of the cube as a mixed radical in lowest form and

Elena-2011 [213]

Answer:5ft

Step-by-step explanation:

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4 years ago

Is X-1 a factor of x^5-1?

Musya8 [376]

Answer: No

Explanation:

According to factor theorem, if f(x)=0 then x is a factor of the given function or equation.

As x-1 is a factor

We equate x-1=0

x=1

Substituting in x^5-1, we have 1^5-1 =1-1=0.

Hence, it's a factor.

When coming to x^5+1, it would become 1^5+1=1+1=2

So x-1 isn't a factor of x^5+1.

4 0

2 years ago

Question 7

serg [7]

$\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}$

Given - a cone with volume 769?3 ft³ , having a height of 15 ft

To calculate - radius of the cone

We know that ,

$\bold{Volume \: of \: cone = \frac{1}{3}\pi \: r {}^{2} h }\\$

substituting the values in the formula stated above ,

$\bold{769.3 = \frac{1}{3} \times 3.14 \times r {}^{2} \times 15} \\ \\\bold{\implies r {}^{2} = \frac{769.3 \times 3}{3.14 \times 15} } \\ \\\bold{\implies r {}^{2} = \cancel\frac{2307.9}{47.1}} \\ \\\bold{ \implies \: r {}^{2} = 49} \\ \\ \bold{\implies \: r = 7 \: ft}$

therefore ,

radius = 7 cm

hope helpful ~

4 0

2 years ago

The visibility, in miles, from a certain spot on a hillside can be calculated using the function d=1.8x, where x is the heigh

Lemur [1.5K]

Answer:

23 i think im not allway right

Step-by-step explanation:

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3 years ago