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3 years ago

1. Consider the rational numbers 4/13 and 3/10.

1 answer:

5 0

A)4/13 would be the larger number since if you were to try to add them, 4/13 = 40/130 and 3/10 = 39/130, 40/130 > 39/130

B) A rational number between them would be 39.5/130.

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C Betty rearranged the movies on her shelving unit after a few days. She placed equal numbers of movies on the bottom 3 shelves,

mixas84 [53]

There are total 53 movies on the shelving unit

Step-by-step explanation:

DATA

Equal movies on the bottom 3 shelves: 3x

10 movies on each of the top 2 shelves = 2*10 = 20

Equation:

3x + 20

Question:

Number of movies on the shelving unit if 11 movies are on each bottom 3 shelves: x = 11

Solution:

3x + 20

3(11) + 20 = 33 + 20 = 53

Therefore, there are total 53 movies on the shelving unit; 20 on the top 2 shelves and 33 on the bottom 3 shelves altogether.

Keywords: equation

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5 0

3 years ago

What is the quadratic. Formula?

balu736 [363]

Answer:

$x = \frac{ - b ± \sqrt{ {b }^{2} - 4ac } }{2a}$

Step-by-step explanation:

For example, we'll use this quadratic equation.

${x}^{2} + 5x + 6$

To understand how to plug it into the formula we need to know what each term represents.

$a {x}^{2} + bx + c$

So the equation above would be put into the formula like this.

$x = \frac{ - 5± \sqrt{ {5}^{2} - 4(1)(6) } }{2(1)}$

Then we would solve

$\frac{ - 5± \sqrt{25 - 24} }{2} \\ \\ = \frac{ -5±1}{2}$

Now, the equation will branch off into one that solves when addition and one when subtraction.

$\frac{ - 5 + 1}{2} = \frac{ - 4}{2} = - 2 \\ \\ \frac{ - 5 - 1}{2} = \frac{ - 6}{2} = - 3$

So x={-3, -2} (-3 and -2)

6 0

3 years ago

I'll mark brainliest thanks in advance

dezoksy [38]

Answer:

x = 2

Step-by-step explanation:

These are known as alternate exterior angles. These types of angles are equal to each other.

$8x-7=2x+5\\6x-7=5\\6x=12\\x=2$

8 0

3 years ago

Need help pls!!! Hurry

Olin [163]

Answer:

-1÷ 5 = -0.2

-0.2×4=-0.8 = -4/5

I hope that was helpful

7 0

3 years ago

Why was Florence such an ideal city for artistic expression? a. Most artists were born in Florence. b. Florence promoted economi

iren2701 [21]

Answer:

B. Florence promoted economic and social freedom

Step-by-step explanation:

Edgenuity 2020

4 0

3 years ago

Read 2 more answers