All categories

4 years ago

A wise man once said, “500 reduced by 4 times my age is 256.” What is his age

Mathematics

2 answers:

RUDIKE [14]4 years ago

6 0

Answer:

His age = 61 years

Step-by-step explanation:

Let us consider my age is x

500 - 4 x = 256

500 - 256 = 4 x

i.e 4 x = 500 - 256

4 x = 244

∴ x = $\frac{244}{4}$

x = 61

His age = 61 years

ch4aika [34]4 years ago

5 0

The answer to this question is 2.048

You might be interested in

Four students spend $12 on school lunch. At this rate fine amount 10 students would spend on the same school lunch

miv72 [106K]

Answer:

10 students would spend $30.

Step-by-step explanation:

In order to find this, start by looking for the cost per student. We can do this by dividing the overall cost by the number of students.

$12/4 students = $3 per student.

Now we take that unit rate and multiply by the new number of students.

$3 * 10 students = $30 total spent.

5 0

3 years ago

Given the information below, is QRS similar to UVT ? If so, give the scale factor.

Leni [432]

I believe it would b A. Hope it helps

8 0

3 years ago

What is (6)(-7)? Please help fast

Degger [83]

Answer:

-42 is the answer for the question

3 0

3 years ago

If 2(4x + 3)/(x - 3)(x + 7) = a/x - 3 + b/x + 7, find the values of a and b.

zmey [24]

Answer:

$a=3$ and $b=5$ .

Step-by-step explanation:

So I believe the problem is this:

$\frac{2(4x+3)}{x-3}(x+7)}=\frac{a}{x-3}+\frac{b}{x+7}$

where we are asked to find values for $a$ and $b$ such that the equation holds for any $x$ in the equation's domain.

So I'm actually going to get rid of any domain restrictions by multiplying both sides by (x-3)(x+7).

In other words this will clear the fractions.

$\frac{2(4x+3)}{x-3}(x+7)}\cdot(x-3)(x+7)=\frac{a}{x-3}\cdot(x-3)(x+7)+\frac{b}{x+7}(x-3)(x+7)$

$2(4x+3)=a(x+7)+b(x-3)$

As you can see there was some cancellation.

I'm going to plug in -7 for x because x+7 becomes 0 then.

$2(4\cdot -7+3)=a(-7+7)+b(-7-3)$

$2(-28+3)=a(0)+b(-10)$

$2(-25)=0-10b$

$-50=-10b$

Divide both sides by -10:

$\frac{-50}{-10}=b$

$5=b$

Now we have:

$2(4x+3)=a(x+7)+b(x-3)$ with $b=5$

I notice that x-3 is 0 when x=3. So I'm going to replace x with 3.

$2(4\cdot 3+3)=a(3+7)+b(3-3)$

$2(12+3)=a(10)+b(0)$

$2(15)=10a+0$

$30=10a$

Divide both sides by 10:

$\frac{30}{10}=a$

$3=a$

So $a=3$ and $b=5$ .

4 0

3 years ago

Read 2 more answers

I need help pretty plzzzzzz!!!!!!!!!!!!!

saveliy_v [14]

Answer:

Part a: yellow square 3 by 3 orange square 2 by 2

Part b: 78 inches is the area

Step-by-step explanation:

Hard to explain but its just the answer i think but part b is hard because i don't know how long the width is

8 0

3 years ago