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mr Goodwill [35]

3 years ago

7

Runs 10 miles in 57 minutes. How many minutes does he take per miles?

2 answers:

evablogger [386]3 years ago

7 0

5.1 i think. is it mutipul question

gtnhenbr [62]3 years ago

7 0

<u>Answer</u>

5.7 minutes

<u>Explanation</u>

We can solve this question by comparison.

If he take 57 minutes to run 10 miles, what of in 1 minute?

<em>10 miles ⇒ 57 minutes</em>

<em>1 mile ⇒ ?</em>

We can cross multiply this to get,

<u>1 × 57</u>

10

=57/10

=5.7 minutes.

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Which model represents the factors of 4x^2-9

dsp73

The model (x+a)(x-a) will represents the factors of 4x²-9 as (2x+3)(2x-3).

<h3>What are the quadratic equations in one variable completing the squares method?</h3>

The "completing the squares" method aims to construct a quadratic equation of the form where the x variable is entirely covered by a single squared term, which is the square of a linear expression in x, as the name suggests.

The quadratic equation can resemble this:

x²-a² = (x+a)(x-a)

Given equation;

⇒4x²-9

⇒(2x)²-3²

The equation can be modeled as;

(2x+3)(2x-3)

Hence the model (x+a)(x-b) will represents the factors of 4x²-9 as (2x+3)(2x-3).

To learn more about completing the squares method refer to:

brainly.com/question/16800259

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8 0

1 year ago

The measure of central angle XYZ is StartFraction 3 pi Over 4 EndFraction radians. What is the area of the shaded sector? 32Pi u

Tems11 [23]

Answer:

<em>96π units²</em>

Step-by-step explanation:

Find the diagram attached

Area of a sector is expressed as;

Area of a sector = θ/2π * πr²

Given

θ = 3π/4

r = 16

Substitute into the formula

area of the sector = (3π/4)/2π * π(16)²

area of the sector = 3π/8π * 256π

area of the sector = 3/8 * 256π

area of the sector = 3 * 32π

<em>area of the sector =96π units²</em>

5 0

3 years ago

Read 2 more answers

Point A is located at -5/8 and point B is located at -2/8. What is the distance between points A and B

UNO [17]

I think those are coordinates of points, (-5,8) and (-2,8)
so you just need to use distance formula ((8-8)^2+(-2+5)^2)=0+9=9
square root 9=3

3 0

3 years ago

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Olin [163]

Answer:

12

Step-by-step explanation:

4 0

3 years ago

Look at the problems 2.3×3.68 and 23×368. How are they similar? Which problem has a greater product?

Margarita [4]

Here is your answer:

1. These equations are similar because they "both share the same numbers but one is a decimal and the other is a whole number."

2. You have to solve each equation in order to determine which number is greater:

$2.3\times 3.68$
$2.3 \times 3.68 = 8.464$
$= 8.464$

And:

$23 \times 368 =$
$23 \times 368 = 8464$
$= 8464$

Finally:

$8.464 < 8464$

Therefore "8,464 is greater than 8.464."

Hope this helps!

3 0

3 years ago