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3 years ago

A bookstore sells 3 books for $42. Which table represents the relationship between number of books and the total price?

Mathematics

2 answers:

enot [183]3 years ago

8 0

I have no idea what this question is asking

zaharov [31]3 years ago

3 0

Answer:its d

Step-by-step explanation:

if 3/42 is what you need to show the relationship of, then you need to make a ratio which would be 3:42 and the rest would be 6:45 and 9:48

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Express the limit as a definite integral on the given interval. lim n→[infinity] n xi ln(1 + xi2) Δx, [2, 7] i = 1

xenn [34]

Answer:

Step-by-step explanation:

$Consider \ the \ following \ series$

$\lim_{n \to \infty} \sum \limits ^n_{i=1} x_i \ In ( 1+ x_i^2) \Delta x , [2,7]$

$Let's \ recall \ the \ explanation \ of$ d $efinite$ $\ integral \ in \ terms \ of \ Riemann \ sum$

$\int^b_a \ f(x) \ dx = \lim_{n \to \infty} \sum \limits ^n_{i=1} \ f(x_i) \Delta x , \ where \ \Delta x = \dfrac{b-a}{n}$

$By \ efinition, \ the \ limit \ is \ then \ expressed \ as \ integral$

$\lim_{n \to \infty} \sum ^a_{i=1} \ x_i \ In (1+x_i^2) \Delta x = \int^7_2 xIn (1+x^2) \ dx$

7 0

3 years ago

John can reach 60 centimeters above the top of his head. If John is 2 meters tall, how high can he reach?

zlopas [31]

He can reach 2.6 meters or 260 centimeters

8 0

3 years ago

How do you write 6.359 × 10^-14 in standard form?

elixir [45]

$6.359*10^-^1^4$

Standard form:

$-6.359*10^-^1^4$

Since the exponent of the scientific notation is negative −14, move the decimal point 14 places to the left. 0.00000000000006359.

6 0

3 years ago

What is partitive? Give an example!

Advocard [28]

Partitive and Quotitive Division. An important distinction in division is between situations that call for a partitive (also called fair share or sharing) model of division, and those that call for a quotitive (also called subtraction or measurement) model of division.

4 0

3 years ago

In ABC, side BC is extended to point E. When connected to vertex A, segment EA is parallel to segment BD. In this construction,

Anuta_ua [19.1K]

Two triangles are said to be congruent if they have similar properties. Thus the required options to complete the paragraph proof are:

a. angle 1 is congruent to angle 2.

b. alternate angles are congruent if two parallel lines are cut by a transversal.

c. $\frac{AD}{CD}$ = $\frac{AB}{CB}$

The similarity property of two or more shapes implies that the shapes are congruent. Thus they have the same properties.

From the given diagram in the question, it can be deduced that

ΔABC ≅ ΔABE (substitution property of equality)

Given that EA is parallel to BD, then:

i. <2 ≅ <3 (corresponding angle property)

ii. <1 ≅ < 4 (alternate angle property)

Thus, the required options to complete the paragraph proof are:

Angle 1 is congruent to angle 2.
Alternate angles are congruent if two parallel lines are cut by a transversal.
$\frac{AD}{CD}$ = $\frac{AB}{CB}$

For more clarifications on the properties of congruent triangles, visit: brainly.com/question/1619927

#SPJ1

6 0

1 year ago