2 years ago

Which equation can be used to represent the statement?

Mathematics

1 answer:

Feliz [49]2 years ago

5 0

C.) 1/2-7=1.5
You’re welcome

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What is the graph of the equation 9x^2 + 4y^2 - 18x + 8y - 23 = 0 ?<br> Also, how did you get that?

Dmitriy789 [7]

13xy^2-10xy-23=0

you first add the like terms and rewrite and thats how you get the answer

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2 years ago

sebuah topi berbentuk kerucut dengan panjang diameter 18 cm dan tinggi topi tersebut 20cm berapakah volume nya

madreJ [45]

Answer:

The area of the cone is "1,695.6 cm³".

Step-by-step explanation:

The given values are:

Diameter of cone,

d = 18 cm

then,

Radius,

r = $\frac{d}{2}$

= $\frac{18}{2}$

= $9 \ cm$

Height,

h = 20 cm

As we know,

⇒ Area of a cone = $\frac{1}{3} \pi r^2 h$

On substituting the given values in the above formula, we get

⇒ = $\frac{1}{3}\times 3.14\times (9)^2\times 20$

⇒ = $\frac{1}{3}\times 3.14\times 81\times 20$

⇒ = $3.14\times 27\times 20$

⇒ = $1,695.6 \ cm^3$

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2 years ago

Autumn measures the angle of elevation from the ground to the top of an 18-foottall tree as 27°. To the nearest tenth of a foot,

cricket20 [7]

Answer:

35.3 ft (nearest tenth)

Step-by-step explanation:

Please see the attached picture for the full solution.

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2 years ago

The cost of textbooks for a school increases with the average class size. Identify the independent and dependent quantity in the

Pani-rosa [81]

Cost depends on the class size , so
cost is the dependent variable and class size is the independent.

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3 years ago

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What is the domain of the step function f(x) = ⌈2x⌉ – 1?

Alik [6]

Answer:

{x| x is a real number}

Step-by-step explanation:

f(x) is defined for all values of x, so the domain is ...

{x| x is a real number}

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3 years ago