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3 years ago

Ana is n years old. How old will she be in 10 years

Mathematics

2 answers:

Pie3 years ago

4 0

Answer:

She will be n+10 years old.

Katena32 [7]3 years ago

3 0

Answer:

$\boxed{n + 10 years}$

Step-by-step explanation:

Now Ana is n years

$n \: \: \: years$

how old she be in 10 years.

Here you have to add 10 years to n years

$n + 10$

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The price of a flight was increased by 3% to £720. What was the price before the increase?

mart [117]

Step-by-step explanation:

let the price be x before increased.

After it is increased then it becomes 1.03x

i.e. 1.03x= 720

x=699.03 which is the price after it is increased.

7 0

3 years ago

Read 2 more answers

write the equation of the line that passes through the points 7, -4 and -1, 3 first and point-slope form and then in slope inter

anyanavicka [17]

The slope of line is $\frac{-7}{8}$

The point slope form is found when point (7, -4) is used is $y + 4 = \frac{-7}{8}(x - 7)$

The slope intercept form is $y = \frac{-7}{8}x + \frac{17}{8}$

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

We have to find the equation of the line that passes through the points 7, -4 and -1, 3

<h3><u>Point slope form:</u></h3>

The point slope form is given as:

$y - y_1 = m(x - x_1)$

Where "m" is the slope of line

Given two points are (7, -4) and (-1, 3)

<h3><u>Let us find the slope of line</u></h3>

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Substituting $(x_1 , y_1 ) = (7, -4) \text{ and } (x_2, y_2) = (-1, 3)$

$m=\frac{3-(-4)}{-1-7}=\frac{7}{-8}$

$m=\frac{-7}{8}$

Thus slope of line is found

Substitute value of m and point (7, -4) in eqn 1

$y - (-4) = \frac{-7}{8}(x - 7)\\\\y + 4 = \frac{-7}{8}(x - 7)$

Thus the point slope form is found when point (7, -4) is used

<h3><u>Slope intercept form:</u></h3>

The slope intercept form is given as:

y = mx + c ----- eqn 1

Where "m" is the slope of line and "c" is the y - intercept

Substitute m = -7/8 and (x, y) = (7, -4) in eqn 1

$-4 = \frac{-7}{8}(7) + c\\\\-32 = -49 + 8c\\\\8c = 17\\\\c = \frac{17}{8}$

Substitute m = -7/8 and $c = \frac{17}{8}$ in eqn 1

$y = \frac{-7}{8}x + \frac{17}{8}$

Thus the required equation of line is found

8 0

3 years ago

Read 2 more answers

Janice caught three trout when she went fishing .one trout weighted 1.38 pounds ,and the second trout weighted 2.01 pounds,and t

Murrr4er [49]

Answer:

4.59

Explanation:

1.38 + 2.01 = 3.39

1.2 = 1.20

3.39 + 1.20 = 4.59

8 0

3 years ago

If I have 48 cards and and gave 10 to my friend and I have 38 left what what fractionbb be is my original number of cards

topjm [15]

Question isn't well formatted :

If I have 48 cards and and gave 10 to my friend and I have 38 left. what fraction of original number of card do I have left.

Answer:

0.7917

Step-by-step explanation:

If I have 48 cards and and gave 10 to my friend and I have 38 left what what fractionbb be is my original number of cards

Given that :

Total number of cards = 48

Number given to friend = 10

Number of cards left = 48 - 10 = 38

Number of cards left / original number of cards

38 / 48

= 0.7917

8 0

3 years ago

Evaluate the expression for k = -11. -k − 11 =

valkas [14]

k = -11

-k - 11 = ?

-11 - 11 = ?

The answer is -22.

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

8 0

4 years ago