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lana66690 [7]
3 years ago
8

Find the percent increase from $3.50 to $12.00. Round to the nearest percent.​

Mathematics
2 answers:
frez [133]3 years ago
7 0

Answer:

The increase from $3.50 to $8.50 was 243%.

Step-by-step explanation:

The increase from $3.50 to $12.00 was $8.50.

We need to compare this to the original $3.50 by writing the following ratio, evaluating it and converting the result to a percentage:

$8.50

--------- = 2.43

$3.50

Multiply this result by 100%:  (100%)(2.43) = 243%

The increase from $3.50 to $8.50 was 243%.

inna [77]3 years ago
3 0

Answer:

15.00 once you add percent

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Which shows 0.124 in expanded form? A. ( 1 × 1 10 ) + ( 2 × 1 100 ) + ( 4 × 1 1000 ) B. 1 + ( 2 × 1 100 ) + ( 4 × 1 1000 ) C. 1
iren [92.7K]

Answer:

A. ( 1 × 1 / 10 ) + ( 2 × 1 / 100 ) + ( 4 × 1 / 1000 )

Step-by-step explanation:

A number is written in expanded form if it shows the sum of the values of the individual digits that make up the number.

To write 0.124 in expanded form, follow these steps:

<em>(i) Take the digits one after the other and multiply it by its value depending on its place. </em>

<em>Taking the first digit </em>- 0

The value is 0 unit, where a unit is 1

<em>Now multiply 0 by 1</em>

=> 0 x 1

=> 0

<em>Taking the second digit </em>- 1

The value is 1 tenth, where a tenth is 1 / 10

<em>Now multiply 1 by 1 / 10</em>

=> 1 x 1 / 10

<em>Taking the third digit </em>- 2

The value is 2 hundredth, where a hundredth is 1 / 100

<em>Now multiply 2 by 1 / 100</em>

=> 2 x 1 / 100

<em>Taking the fourth digit </em>- 4

The value is 4 thousandth, where a thousandth is 1 / 1000

<em>Now multiply 4 by 1 / 1000</em>

=> 4 x 1 / 1000

<em>(ii) Add the results obtained in (i) above</em>

=> (0 x 1) + ( 1 x 1 / 10) + (2 x 1 / 100) + ( 4 x 1 / 1000)

=> ( 1 x 1 / 10) + (2 x 1 / 100) + ( 4 x 1 / 1000)

Therefore,

0.124 in expanded form is  ( 1 × 1 / 10 ) + ( 2 × 1 / 100 ) + ( 4 × 1 / 1000 )

5 0
3 years ago
Please Help!!! I will give Brainliest to the correct answer!!
Rudiy27

Answer:

A. NO

B.  NO

C. YES

D. YES

E. NO

F. NO

Step-by-step explanation:

7 0
3 years ago
Desmond's Desserts made a batch of fresh scones with 2/3 of a pound of butter and 1/2 of a
NemiM [27]

\frac{1}{6} or 0.167 pounds more butter was used than sugar

<em><u>Solution:</u></em>

Given that, Desmond's Desserts made a batch of fresh scones with 2/3 of a pound of butter and 1/2 of a  pound of sugar

<em><u>To find: Amount of butter used than sugar</u></em>

From given information,

\text{Butter used} = \frac{2}{3} \text{ pound }

\text{Sugar used } = \frac{1}{2} \text{ pound }

To find how much butter is used than sugar, find the difference between them

Difference = Butter\ used - Sugar\ used

Difference = \frac{2}{3} - \frac{1}{2}\\\\Difference = \frac{2 \times 2-1 \times 3}{3 \times 2}\\\\Difference =\frac{4-3}{6}\\\\Difference =\frac{1}{6} = 0.167\\\\

Thus \frac{1}{6} or 0.167 pounds more butter was used than sugar

5 0
3 years ago
Solve (x-3)^2 = 5 HELP ASAP!!! Please!! :(
Bas_tet [7]

Answer:

<em>Answer</em><em> </em><em>is</em><em> </em><em>option</em><em> </em><em>d</em><em> </em>

Step-by-step explanation:

given \: expression \: is \:  {(x - 3)}^{2}  = 5 \\  {x}^{2}  - 6x + 9 = 5 \\ subtracting \: 5 \: on \: both \: sides \: we \: get \\  {x}^{2}  - 6x + 4 = 0 \\ on \: solving \: the \: quadratic \: equation \: by \\  \: completing \: square \: method \\  {x}^{2}  - 6x =  - 4 \\ adding \:  {3}^{2} on \: both \: sides \: w e\: get \\  {x}^{2}  - 6x +  {3}^{2}  =  {3}^{2}  - 4 \\  {(x - 3)}^{2} = 5 \\ x - 3 + =    \sqrt{5}  \\ x =  \sqrt{5 }  + 3

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

5 0
3 years ago
The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the pla
forsale [732]

Answer:

a)

Speed at Equator = 463.97 meters per second

Centripetal Acceleration at Equator = 3.37*10^{-2} meters per second squared

b)

Speed at 30 degrees north of equator = 401.79 meters per second

Centripetal Acceleration at 30 degrees north of equator = 2.92*10^{-2} meters per second squared

Step-by-step explanation:

The formula is:

v=\frac{2 \pi R}{T}

Where

v is speed

R is radius

T is time

and another formula for centripetal acceleration:

a_c=\frac{4 \pi^{2} R}{T^2}

Now,

a)

at equator, the radius is radius of earth (given), time in seconds is

T = 24 * 60 * 60 = 86,400

THus,

v_E=\frac{2 \pi (6.38*10^{6}}{86,400}=463.97

Speed at Equator = 463.97 meters per second

Centripetal Acceleration:

a_{cE}=\frac{v_E^2}{R_E}=\frac{463.97}{6.38*10^{6}}=3.37*10^{-2}

Centripetal Acceleration at Equator = 3.37*10^{-2} meters per second squared

b)

At 30.0° north of the equator:

R_N=R_E Cos (30)= (6.38*10^6)Cos(30)=5.53*10^6

Now,

Speed = v_{30N}=\frac{2 \pi (5.53*10^6)}{86,400}=401.79

Speed at 30 degrees north of equator = 401.79 meters per second

Centripetal Acceleration:

a_{30N}=\frac{v_E^2}{R_E}=\frac{401.79}{5.53*10^6}=2.92*10^{-2}

Centripetal Acceleration at 30 degrees north of equator = 2.92*10^{-2} meters per second squared

4 0
3 years ago
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