Ask question

Ask question

All categories

3 years ago

12

A boy is 10 years older than his brother. In 4 years he will be twice as old as his brother. Find the present age and write an e

quation to solve for it.

1 answer:

Gekata [30.6K]3 years ago

3 0

x+10=2x-4

x+10+4= 2x-4+4

x-x+14=2x-x

14=x

You might be interested in

The equation h(t)=−16t2+19t+110 gives the height of a rock, in feet, t seconds after it is thrown from a cliff.

zhuklara [117]

$\bf ~~~~~~\textit{initial velocity} \\\\ \begin{array}{llll} ~~~~~~\textit{in feet} \\\\ h(t) = -16t^2+v_ot+h_o \end{array} \quad \begin{cases} v_o=\stackrel{}{\textit{initial velocity of the object}}\\\\ h_o=\stackrel{}{\textit{initial height of the object}}\\\\ h=\stackrel{}{\textit{height of the object at "t" seconds}} \end{cases} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ h(t)=-16t^2+\stackrel{\stackrel{v_o}{\downarrow }}{19}t+110~\hspace{10em}19~\frac{ft}{sec}$

3 0

3 years ago

Write and Solve an area problem that illustrates the use of the find the pattern strategy

d1i1m1o1n [39]

An area is when you multiply the height by the base. So, it depends on the picture and its numbers. ---------------------
For example: / 6in /
5in/ /
/ / model number: 5 in×6in=30 in
/ /
---------------------

8 0

3 years ago

Read 2 more answers

The average annual salary of the employees of a company in the year 2005 was $80,000. It increased by the same factor each year

Kryger [21]

The answer is f(x)=80(1.1)x

4 0

3 years ago

Read 2 more answers

A formula for finding SA, the surface area of a rectangular prism, is

Ilya [14]

Answer: C

Step-by-step explanation:

12 x 6 x 4= 288 also do you do time4learning?

6 0

2 years ago

Which values of x satisfy this equation?

Alinara [238K]

1.425 and 17.57 satisfy the equation.

8 0

2 years ago

Read 2 more answers