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4 years ago

25 is what percent of 29?

Mathematics

2 answers:

kolezko [41]4 years ago

7 0

Answer:

86.2%

Step-by-step explanation:

25/29=0.862

barxatty [35]4 years ago

6 0

Answer:

86.2 percent

Step-by-step explanation:

25 divided by 29= 0.862

move the decimal point two places to the right to get the percentage

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Find the missing side length CAN SOMEONE PLEASE HELP ME? PLEASEEEEE!!!

Ganezh [65]

Answer:

13.31803792

Step-by-step explanation:

Law of Cosines

a= 8

b= 18

c= ?

$c^2=a^2b^2-2ab*cos(c)$

$c^2=8^2-18^2-2*8*18*cos(43)$

c = 64 + 324 - 2 * 8 * 18 * cos(43)

cos(43) = 0.7313537016

Order of Operations

64 + 324 - 2 * 8 * 18 * 0.7313537016 = 177.3701339

Square Root the answer

$\sqrt{177.3701339}$ = 13.31803792

4 0

3 years ago

Read 2 more answers

So 14.603 rounded to the nearest whole number is

Lina20 [59]

14.603 rounded to the nearest whole number is 15.

Find the ones place (4). Look at the number next to the ones place. It is a 6. Because 6 is greater than 5, round up

15 is your answer

hope this helps

8 0

4 years ago

Read 2 more answers

HELP WILL MARK RIGHT ANSWER BRAINLIEST

Sunny_sXe [5.5K]

Answer:

Hailey's distance from home

Step-by-step explanation:

as time passes, the y value get ssmaller and smaller. ultimately becoming zero.

for the first option, if she is riding her bike away from school, her distance from school would not be getting smaller and smaller

the height of the tree would not be getting shorter and shorter

the number of students on a bus would be increasing on the way to school

however, as hailey approaches her house, her distance from the house would be getting smaller

4 0

3 years ago

The distance on a map between lake view and bay cove is 4.5 inches. The map key says 0.5 inches on the map is equivalent to 1 mi

Goryan [66]

Answer:

9 miles

Step-by-step explanation:

yes i used a calculator

3 0

3 years ago

The top and bottom margins of a poster are each $3$ cm and the side margins are each $2$ cm. If the area of printed material on

babymother [125]

Answer:

Therefore the dimension of the poster is 12 cm by 8 cm.

Step-by-step explanation:

Let the length of the poster be x and the width be y.

Given that the area of the poster is 96 cm².

∴xy =96

$\Rightarrow y= \frac{96}{x}$

The sides margins each are 2 cm and the top and bottom margins of the poster are each 3 cm.

The length of printing space is =(x- 2.3) cm

= (x-6) cm

The width of the printing space is =(y-2.2) cm

=( y-4 )cm

The area of the printing space is A=(x-6)(y-4) cm²

∴A=(x-6)(y-4)

$\Rightarrow A=(x-6)(\frac{96}{x}-4)$ [ Putting $y= \frac{96}{x}$ ]

$\Rightarrow A=120-\frac{576}{x}-4x$

Differentiating with respect to x

$A'= \frac{576}{x^2}-4$

Again differentiating with respect to x

$A''=-\frac{1152}{x^3}$

To find the minimum area, we set A'=0

$\therefore \frac{576}{x^2}-4=0$

$\Rightarrow \frac{576}{x^2}=4$

$\Rightarrow x^2=\frac{576}{4}$

$\Rightarrow x^2 =144$

$\Rightarrow x=\pm 12$

Dimension can't be negative.

Therefore x=12

If x=12, the value of A''>0,then at x=12, the area of the poster will be minimum.

If x=12, the value of A''<0,then at x=12, the area of the poster will be minimum.

$\therefore A''|_{x=12}=-\frac{1152}{12^3}$

Therefore at x= 12 cm the area of the poster will be maximum.

The width of the poster is $y=\frac{96}{12}$ = 8 cm

Therefore the dimension of the poster is 12 cm by 8 cm.

3 0

3 years ago