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3 years ago

If 1/2 of 1 is 1/2, what is 1/2 of 2,3, and 4?

Mathematics

2 answers:

Sophie [7]3 years ago

6 0

Half of 2 is 1, half of 3 is 1/5, half of 4 is 2

Arisa [49]3 years ago

4 0

In this order 1, 1.5 ,2 1.5 as a fraction is 1 and 1/2

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A rectangle with dimensions of 3 units by 7 units is enlarged by a scale factor of 1.1. By what percent does it’s area increase?

Ratling [72]

Answer:

$21\%$

Step-by-step explanation:

Original dimensions of the rectangle

$l=7\ \text{units}$

$w=3\ \text{units}$

Area of the rectangle

$A=7\times 3=21\ \text{units}^2$

Scale factor = 1.1

New dimensions

$l'=7\times 1.1=7.7\ \text{units}$

$w'=3\times 1.1=3.3\ \text{units}$

The new area of the rectangle

$A'=7.7\times 3.3=25.41\ \text{units}^2$

Percentage change is given by

$\dfrac{A'-A}{A}\times 100\\ =\dfrac{25.41-21}{21}\times 100=21\%$

The percentage by which the area of the rectangle increases is $21\%$ .

8 0

3 years ago

What is the slope of the line?

Basile [38]

Answer:

$\boxed { \frac{1}{2} }$

Step-by-step explanation:

We can find the slope by using rise over run.

Given the coordinate points that are part of the graph.

$(1,4) \\ ( - 1,3)$

$m = \frac{ 4 - 3}{1 - ( - 1)} \\ m = \frac{1}{1 + 1} \\ m = \frac{1}{2}$

Therefore the slope is 1/2.

3 0

3 years ago

Read 2 more answers

If f(x)= 5x+4 and g(x)= -2+1...... 1) f(6) + g(-8) = ? 2) g(4)= ? 3) f(-2)= ? PLZ PLZ PLZ HELP ME I AM SOOOOO CONFUSED!!!!!!!!!!

MakcuM [25]

Answer:

See below.

Step-by-step explanation:

So we have the two functions:

$f(x)=5x+4\text{ and } g(x)=-2x+1$

First, find the values of each function:

$f(x)=5x+4\\f(6)=5(6)+4\\f(6)=30+4=34$

$g(x)=-2x+1\\g(-8)=-2(-8)+1\\g(-8)=16+1=17$

Therefore:

$f(6)+g(-8)\\=(34)+(17)=51$

Plug in the number into the function:

$g(x)=-2x+1\\g(4)=-2(4)+1=-8+1=-7$

Like the last one:

$f(x)=5x+4\\f(-2)=5(-2)+4=-10+4=-6$

8 0

4 years ago

-3/12 - -2/3 can you please help me

MatroZZZ [7]

Answer:

5 /12

Step-by-step explanation:

8 0

4 years ago

WORTH 20 POINTS PLEASE HELP ME

horrorfan [7]

The answer is C.........

5 0

3 years ago