All categories

2 years ago

Please 0,45 = ........ % 0,3 = ......... % 1,9 = ........... % 0,01 = ...........% 1 = ............%

Mathematics

1 answer:

Roman55 [17]2 years ago

7 0

Answer:

45%, 30%, 190%, 1%, 100%

Step-by-step explanation:

To get a percent from a decimal, multiply it by 100 and add a % symbol.

You might be interested in

- Find the mean, median, mode, and range of the<br> data set.<br> {7, 3, 5, 4, 5}

noname [10]

Answer:

The range is 2

Step-by-step explanation:

The median is 5. The mode is 5. The mean is 5.

6 0

3 years ago

Kate wants to buy a new bicycle from a sporting goods store. The bicycle she wants normally sells for $400. The store has a sale

algol13

Answer:

$160

Step-by-step explanation:

2/5 x 400 = 160

8 0

3 years ago

Read 2 more answers

Find the values of m for which the lines y=mx-2 are tangents to the curve with equation y=x^2-4x+2

deff fn [24]

Let y= mx-2 be the tangent line to y=x^2-4x+2 at x=a.

Then slope, $m=\frac{dy}{dx} at x=a = 2a-4.$

Hence the equation is y=(2a-4)x-2

Let's find y-coordinate at x=a using tangent line and curve.

Using tangent line y at x=a is (2a-4) a -2 $=2a^{2}-4a-2$

Using given curve y-coordinate at x=a is $a^{2}-4a+2$

Let's equate these 2 y-coordinates,

$2a^{2} -4a-2 = a^{2} -4a+2$

$2a^{2}-a^{2} = 2+2$

$a^{2}=4$

a=2 or -2.

If a=2, $m=2a-4 = 2*2-4=0$

If a=-2, $m= 2(-2)-4 = -8$

Hence m values are 0 and -8.

8 0

4 years ago

Jane Marko buys a car for $43,900.00. In three years, the car depreciates 48% in value. How much is the car worth in three years

raketka [301]

Answer is C, $22828.00

4 0

3 years ago

Read 2 more answers

Let f(x) = 11x + 2x^2 and g (x) = -7x - 3x^2 + 4 . Find (f + g) (x) and (f - g) (x) . Then evaluate f + g and f - g for x = 2

Firdavs [7]

Composite functions are functions derived from combining other functions

The values of the composite functions are $(f + g)(2) = -3$ and $(f - g)(2) = 41$

<h3>How to determine the composite functions</h3>

The single functions are given as:

$f(x) =11 + 2x^2$

$g(x) = -7x - 3x^2 + 4$

To calculate (f + g)(x), we make use of

$(f + g)(x) = f(x) + g(x)$

So, we have:

$(f + g)(x) = 11 + 2x^2 - 7x - 3x^2 + 4$

Collect the like terms

$(f + g)(x) = 2x^2- 3x^2 - 7x + 4+11$

Evaluate

$(f + g)(x) = - x^2 - 7x + 15$

Substitute 2 for x

$(f + g)(2) = - 2^2 - 7(2) + 15$

$(f + g)(2) = -3$

To calculate (f - g)(x), we make use of

$(f + g)(x) = f(x) - g(x)$

So, we have:

$(f - g)(x) = 11 + 2x^2 + 7x + 3x^2 - 4$

Collect the like terms

$(f - g)(x) = 2x^2 + 3x^2+ 7x - 4 + 11$

Evaluate

$(f - g)(x) = 5x^2+ 7x +7$

Substitute 2 for x

$(f - g)(2) = 5 * 2^2+ 7* 2 +7$

$(f - g)(2) = 41$

Hence, the values of the composite functions are $(f + g)(2) = -3$ and $(f - g)(2) = 41$

Read more about composite functions at:

brainly.com/question/10687170

4 0

2 years ago

Read 2 more answers