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almond37 [142]
4 years ago
7

I will give brainliest to whoever can help!

Mathematics
2 answers:
son4ous [18]4 years ago
8 0

Answer:

1)open 2)false 3)5

Step-by-step explanation:

Marizza181 [45]4 years ago
5 0

Answer:

False

Open

5

Am I right??!

You might be interested in
What is 5 1/2 minus 3 1/4
Brut [27]
5 1/2 - 3 1/4

11/2 - 13/4

22/4 - 13/4 = 9/4

your answer is 2 1/4

hope this helps
7 0
4 years ago
Read 2 more answers
Pls I need help
Lelu [443]

(1) A part to whole ratio compares different parts of the group to each others is true.

(2)  the ratio 3:1 can also be written as 1 to 3 is false.

(3) A part to whole ratio can be written as a fraction, a decimal, and a percent is true.

(4) two term and three term ratios compare quantities measures in different units is false.

(1) A ratio has two parts, a numerator and a denominator.

Example: if we have 2 oranges and 3 apples in a fruit basket.

  • fruits ratio = 2:3
  • total fruits ratio = 5
  • fraction of orange = \frac{2}{5}
  • fraction of apple = \frac{3}{5}

This ratio compares a part of each fruit to the whole

Thus<em>, a part to whole ratio compares different parts of the group to each others is</em> true.

(2) The ratio 3:1 is written as \frac{3}{1} =3.

Thus, <em>the ratio 3:1 can also be written as 1 to 3 is</em> false.

(3) the ratio 2:3, has the following fractions, decimal and percentage with respect to whole ratio;

  • <em>fraction</em> of 2 = \frac{2}{5}, <em>decimal</em> = 0.4, <em>percentage</em> = 40%
  • <em>fraction</em> of 3 = \frac{3}{5}, <em>decimal</em> = 0.6, <em>percentage</em> = 60%

Thus,  <em>a part to whole ratio can be written as a fraction, a decimal, and a percent is</em> true.

(4) the units of the quantities compared have to be the same in order to find their ratios.

Thus, <em>two term and three term ratios compare quantities measures in different units is</em> false.

Learn more here:brainly.com/question/2284943

6 0
3 years ago
Find the average rate of change of f(x) = 4x² – 3 from 3 to 9.
Lina20 [59]

Answer:

44

Step-by-step explanation:

Given:

f(x) = 4x^2 - 3

Required:

Average range of change from 3 to 9

SOLUTION:

Step 1:

Find f(3) and f(9):

To find f(3), replace x with 3 in the given function

f(3) = 4(3)^2 - 3

f(3) = 4(9) - 3

f(3) = 36 - 3

f(3) = 33

To find f(9), replace x with 9 in the given function

f(9) = 4(9)^2 - 3

f(9) = 4(81) - 3

f(9) = 324 - 3

f(9) = 321

Average rate of change = \frac{f(b) - f(a)}{b - a}

Where,

a = 3, f(a) = 33

b = 9, f(b) = 321

Plug in the values into the formula for average rate of change.

= \frac{321 - 33}{9 - 3}

= \frac{288}{6}

= 44

Average rate of change = 44

3 0
3 years ago
On a city map, a library is located at (6, 2) and a school is located at (3, 3). If each unit equals one mile, what is the dista
Marizza181 [45]

Answer:

<em>3.2 miles</em>

Step-by-step explanation:

Given the coordinate  point (6,2) and (3,3)

The distance between the two points is expressed using the formula;

D = √(x2-x1)²+(y2-y1)²

D = √(3-2)²+(3-6)²

D = √1²+(-3)²

D = √1+9

D = √10

D = 3.2

<em>Hence the distance (in a straight line) between the library and the school rounded to the nearest tenth is 3.2 miles</em>

8 0
3 years ago
(3,0),(-11,-15) slope
brilliants [131]

Slope formula: y2-y1/x2-x1

Plug in: -15-0/-11-3 = -15/-14 = 15/14 = slope

4 0
4 years ago
Read 2 more answers
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