Suppose p varies directly with d and p= 3 when d= 5. What is the value of d when p= 12

Mathematics

1 answer:

Rus_ich [418]3 years ago

3 0

D must equal 20
when p=3, d= 5 and then p=12 which is an increase of 4 times therefore
when p=12, d= 5x4=20

You might be interested in

A bag contains 5 red marbles and 4 green marbles. What is the probability of choosing a red marble then a green marble, without

STALIN [3.7K]

It will be 5 out of 9 times you will pull a red marble

5 0

4 years ago

An electrician charges $15 per hour and spends $30 a day on gasoline. At the

Bumek [7]

15x - 30 = 105 is the mathematical statement

4 0

4 years ago

John has gross biweekly earnings of $743.61. By claiming 1 more withholding allowance, John would have $19 more in his take home

Afina-wow [57]

Answer:

Total withholding allowances are 39.

Step-by-step explanation:

Given the gross earning of John = $743.61

It is given that 1 withholding allowance = $19

Now we have to find the total number of withholding allowances. Here, the number of withholding allowances can be determined by dividing the total earnings with $19.

Number of withholding allowances = 743.61 / 19 = 39.14 or 39 (round off).

4 0

3 years ago

Verify identity list steps. Cot(t)(1-cos^2(t))=cos(t)sin(t)

storchak [24]

Remember: We have to work from either the LHS or the RHS.
(Left hand side or the Right hand side)

You should already know this:

$\huge{Cot(t) = \frac{1}{tan(t)} = \frac{1}{\frac{sin(t)}{cos(t)}} = 1\div \frac{sin(t)}{cos(t)} = 1\times \frac{cos(t)}{sin(t)}=\boxed{\frac{cos(t)}{sin(t)}}$

You should also know this:

$sin^2(t) + cos^2(t) = 1\\\\\boxed{sin^2(t)} = 1 - cos^2(t)$

So plugging in both of those into our identity, we get:

$\frac{cos(t)}{sin(t)}\cdot sin^2(t) = cos(t)\cdot sin(t)$

Simplify the denominator on the LHS (Left Hand Side)

We get:

$cos(t) \cdot sin(t) = cos(t) \cdot sin(t)$

LHS = RHS

Therefore, identity is verified.

4 0

3 years ago

What is the slope intercept form of 9x - y = 9

vesna_86 [32]

Slope intercept form= y=mx+b.
y=9x-9

8 0

4 years ago

Read 2 more answers