The sum of three times a number and 28 is 484. Find the number.

Mathematics

2 answers:

Aleksandr [31]3 years ago

4 0

Answer:

152

Step-by-step explanation:

484-28=456

456/3=152

sergejj [24]3 years ago

3 0

Answer:

152

Step-by-step explanation:

484 - 28 = 456

456 ÷ 3 = 152

Check your answer:

152 × 3 = 456

456 + 28 = 484

You might be interested in

Mary Palm's checking account had a starting balance of $785.63. She wrote a check for $57.00 for groceries and a check for $125.

wariber [46]

785.63-(57+125)
=785.63-182
=603.63

603.63+57.25=$660.87

5 0

4 years ago

Sam needs a web designer. Designer A is offering her services for an initial $500 in addition to $100 per hour. Designer B is of

gavmur [86]

Answer:

2 hours

Step-by-step explanation:

Let's denote the amount of time we need to find out, t.

=> 600 + 50t < 500 + 100t

or 600 - 500 < 100t - 50t

or 100 < 50t

or 100/50 < t

or t > 2

=> After 2 hours, company B will be cheaper option than company A

3 0

3 years ago

I NEED HELP PLS I WILL MARK BRAINLIEST

ANEK [815]

Answer:

$\approx 11.2\:\mathrm{in}$

Step-by-step explanation:

The swing of the tip of pendulum is creating an arc. The question is actually asking for the length of this arc. The length of an arc is given by $2r\pi\cdot \frac{\theta}{360}$ , where $r$ is the radius of the circle and $\theta$ is the angle of the arc.