Increase 44 by 10%.

Answers

Answer 1

Answer: all we have to do is find 10% of 44 and add sooo
first we need to know that 10% = 0.10
soo lets multiply
44 x 0.10 =4.4
so now we add to our first number
44 + 4.4 = 48.4
Answer? = 48.4
hope this helps:P
and don't forget 2
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Name each polynomial by degree and number of terms of -7
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Tours of the National Capitol and the White House begin at a tour agency. Tours for the National Capitol leave every 15 minutes. Tours for the White House leave every 20 minutes. How often do the tours leave at the same time?

Which is a solution to (x – 3)(x + 9) = –27?

x = –9
x = –3
x = 0
x = 6

Answers

If you would like to solve (x – 3)(x + 9) = –27, you can do this using the following steps:

(x – 3)(x + 9) = –27
x^2 + 9x - 3x - 27 = -27
x^2 + 6x - 27 + 27 = 0
x^2 + 6x = 0
x * (x + 6) = 0
1. x = 0
2. x = -6

The correct result would be x = 0.

By evaluating the quadraticexpression at each realnumber, we conclude that x = 0 is a solution (root) to (x - 3) · (x + 9) = -27. (Correct choice: C)

How to find the roots of a given polynomic expression

In this question we must find a solution for a polynomicexpression. There are several approaches to find them. Since we have a polynomicexpression as a product of binomials, we can determine the solution by evaluating at each choice:

x = 0

(0 - 3) · (0 + 9) = -27

(-3) · 9 = -27

-27 = -27

By evaluating the quadraticexpression at each realnumber, we conclude that x = 0 is a solution (root) to (x - 3) · (x + 9) = -27. (Correct choice: C)

To learn more on quadratic functions: brainly.com/question/5975436

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Tabitha wants to hang a painting in a gallery. The painting and frame must have an area of 58 square feet. The painting is 7 feet wide by 8 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?

(See picture attached below)

Answer Choices:
A. x2 + 15x − 2 = 0
B. x2 + 15x + 58 = 0
C. 4x2 + 30x − 2 = 0
D. 4x2 + 30x + 58 = 0

Answers

If the total area of the painting and the frame is 58 sq ft, we have the equation:
(8 + 2x)(7 + 2x) = 58

Expanding the equation,
56 + 30x + 4x^2 = 58

Combining like terms and arranging the equation, we have:
4x^2 + 30x - 2 = 0

Therefore, the answer is
C. 4x2 + 30x − 2 = 0

Answer:

Step-by-step explanation:

took the test

Negative 4 plus 8 equals

Answers

Answer:

Step-by-step explanation:

You add -4 with 8 so you have -4 + 8 = 4

The answer to that would be 4.

A 6 sided die was rolled 9 times. what is the mode of these rolls

Answers

the rolls are what.. ?

Amy purchased 17 pencils and 18 pens for a fund-raiser at school and spent $61.50. Jocelyn purchased 10 pencils and 21 pens and spent $57. How much does each pencil cost?

Answers

Let,
pencils be "x"
pens be "y"

According to the question,
17x + 18y = 61.50 ----------> equation (1)
10x + 21y = 57 -----------------> equation (2)

Now,
Taking equation (1),
17x + 18y = 61.50
18y = 61.50 - 17x
y = (61.50 - 17x ) / 18 -----> equation (3)

Now, substituting the value of "y" in equation (2), we get,

$10x+21( (61.50-17x)/(18) )=57$

$10x+7( (61.50-17x)/(6) )=57$

$10x+ (430.50-119x)/(6)=57$

$10x* (6)/(6) + (430.50-119x)/(6)=57$

$(60x)/(6) + (430.50-119x)/(6)=57$

$(430.50+60x-119x)/(6)=57$

$430.50-59x=57*6$

$430.50-59x=342$

$59x=430.50-342$

$x=(88.5)/(59)$

$x=1.5$

Now,
Substituting the value of "x" in equation (3), we get,

$y =(61.50-17x)/(18)$

$y =(61.50-17(1.5))/(18)$

$y =(61.50-22.5)/(18)$

$y =(39)/(18)$

$y =2.17$

$y =2$ approx. (rounded)

So, Each pencil costs $1.5 and each pen costs $2.

Answer:

Each pencil costs $1.50 and each pen costs $2.00

Step-by-step explanation:

What is roster or set builder form?

Answers

Roster form or tabular form:

In this, elements of the set are listed within the pair of brackets { } and are separated by commas.

For example:

(i) Let N denote the set of first five natural numbers.
Therefore, N = {1, 2, 3, 4, 5}        → Roster Form

(ii) The set of all vowels of the English alphabet.
Therefore, V = {a, e, i, o, u}        → Roster Form

(iii) The set of all odd numbers less than 9.
Therefore, X = {1, 3, 5, 7}        → Roster Form

(iv)  The set of all natural number which divide 12.
Therefore, Y = {1, 2, 3, 4, 6, 12}        → Roster Form

(v) The set of all letters in the word MATHEMATICS.
Therefore, Z = {M, A, T, H, E, I, C, S} → Roster Form

(vi) W is the set of last four months of the year.
Therefore, W = {September, October, November, December} → Roster Form

Note:

The order in which elements are listed is immaterial but elements must not be repeated.

Set builder form:

In this, a rule, or the formula or the statement is written within the pair of brackets so that the set is well defined. In the set builder form, all the elements of the set, must possess a single property to become the member of that set.

In this form of representation of a set, the element of the set is described by using a symbol ‘x’ or any other variable followed by a colon The symbol ‘:‘ or ‘|‘ is used to denote such that and then we write the property possessed by the elements of the set and enclose the whole description in braces. In this, the colon stands for ‘such that’ and braces stand for ‘set of all’.

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