All categories

3 years ago

Anna is x years old and her sister is 5 years older. How old was her sister 5 years ago?

Mathematics

1 answer:

777dan777 [17]3 years ago

8 0

Answer:

$x$

Step-by-step explanation:

$x + 5 - 5 = x$

You might be interested in

What are the solutions to the equation x² = 169?

Marizza181 [45]

Answer:

the solutions are 13 and -13

Step-by-step explanation:

13 x 13= 169

-13 x -13=169

a negative times a negative equals a positive

5 0

3 years ago

Read 2 more answers

:(:(:(:(:(:(:(:(:(:(:(:(::(

frosja888 [35]

Answer:

Step-by-step explanation:

Let's simplify each term.

$(\frac{1}{4})^{2} = 0.0625$

$4^{3} =64$

$(4-1) = 3$

Now we multiply:

$0.0625*64*3 = 12$

Hope this helps!

3 0

2 years ago

Read 2 more answers

Equation of a line with slip of 5 passing through points (-4,-6)

kirill [66]

$\bf (\stackrel{x_1}{-4}~,~\stackrel{y_1}{-6})~\hspace{10em} slope = m\implies 5 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-(-6)=5[x-(-4)] \\\\\\ y+6=5(x+4)\implies y+6=5x+4\implies y=5x-2$

5 0

2 years ago

Lightning electronics changes $9.98 plus 0.75 per pound to ship electronics purchases. Write and solve an equation to find the w

Blizzard [7]

Answer: 11 pounds

Step-by-step explanation:

x : # of pounds an electronic is

9.98 + 0.75x : total cost of shipping an electronic that is "x" pounds

9.98 + 0.75x = 18.23

0.75x = 8.25

x = 11 pounds

4 0

2 years ago

How many times is the value of the digit 5 in 65.1748 lesser than the value of

olchik [2.2K]

Answer:

3 times

Step-by-step explanation:

The 5 in "65.1748" is in the ones place. 5 is less than 10, 100, and 1000. 5 is greater than 1/100.

4 0

3 years ago