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3 years ago

What is x-10 when x=11

Mathematics

2 answers:

Romashka-Z-Leto [24]3 years ago

8 0

Answer:

Step-by-step explanation:

Because once you know the unknown you can plug it into the equation so now its 11-10 which equals 1

lyudmila [28]3 years ago

6 0

Answer:

Step-by-step explanation:

it is asking you what is 11-10

you would sub in like this x-10

11-10

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Find the sum of the geometric series 9000-900 +...+ 0.009

bagirrra123 [75]

Based on the calculations, the sum of this geometric series is equal to 9,990.

<h3>The standard form of a geometric series.</h3>

Mathematically, the standard form of a geometric series can be represented by the following expression:

$\sum^{n-1}_{k=0}a_1(r)^k$

Where:

a₁ is the first term of a geometric series.

r is the common ratio.

<h3>How to calculate the sum of a geometric series?</h3>

Also, the sum of a geometric series is given by this mathematical expression:

$S=\frac{a_1(1-r^n)}{1-r}$

<u>Given the following data:</u>

First term, a = 9000.

Common ratio, r = 900/9000 = 0.1

Substituting the given parameters into the formula, we have;

$S=\frac{9000(1-0.1^3)}{1-0.1}\\\\S=\frac{9000(1-0.001)}{1-0.1}$

S = 9000(0.999)/0.9

S = 8,991/0.9

S = 9,990.

Read more on geometric series here: brainly.com/question/12630565

#SPJ1

5 0

2 years ago

What is the area of a circle?

Andru [333]

The area of a circle is the size of the 2-dimensional space inside the circle's
closed curved boundary.

The area can be calculated in terms of known linear measurements of the circle:

-- Area = (π) x (radius)²

-- Area = (π/4) x (diameter)²

-- Area = (1/2) x (circumference) x (radius)

-- Area = (1/4) x (circumference) x (diameter)

Any of these formulas will give you the area. The one you decide to use
just depends on what you already know about the circle.

8 0

3 years ago

Match the function with the graph.

Kobotan [32]

Answer:

d. y = 1/(x + 2) + 3

Step-by-step explanation:

From the given graph, the vertical asymptote at x = -2, so the denominator expression is (x + 2).

The horizontal asymptote at y = 3.

Therefore, the function y = 1/(x+2) + 3

Answer: d = 1/ (x + 2) + 3

Hope you will understand the concept.

Thank you.

3 0

4 years ago

Match the real-world problem to its constant of proportionality.

BabaBlast [244]

Answer:

a. $18.36 for 3 pizzas : k = 6.12

b. $4.17 for 3 pounds of bananas . k = 1.39

c. $16.48 for 4 pounds of potatoes . k = 4.12

d. 2 cups of flour to make 24 cookie . k = 2

Step-by-step explanation:

<u>PROPORTIONALITY:</u>

Two quantities x and y are said to proportional to each other

if for x ∝ y , x = y k.

Here, k i s called the PROPORTIONALITY CONSTANT.

⇒ $x \propto y \implies k = \frac{x}{y}$

Now, for the given quantities:

a. $18.36 for 3 pizzas [box]

Here, $k = \frac{18.36}{3} = 6.12$

So, the proportionality constant is 6.12.

b. $4.17 for 3 pounds of bananas [box]

Here, $k = \frac{4.17}{3} = 1.39$

So, the proportionality constant is 1.39.

c. $16.48 for 4 pounds of potatoes [box]

Here, $k = \frac{16.48}{4} = 4.12$

So, the proportionality constant is 4.12.

d. 2 cups of flour to make 24 cookies

Here, $k = \frac{24}{2} = 12$

So, the proportionality constant is 12

6 0

4 years ago

Factor the expression 3x^2 - 15x a.3x(x^2-5)<br> B.3(x-5)<br> C.3(x^2-5)<br> D.3x(x-5)

GrogVix [38]

Answer:

D. 3x(x-5)

Step-by-step explanation:

3x^2 - 15x

factor out 3 x from the expression

3x x (x-5)

therefore, ur answer is 3x(x-5) or D

4 0

3 years ago