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natali 33 [55]
3 years ago
9

when randy started his job he earned $8.00 per hour now he makes $450 for working a 40-hour week how much more does he earn per

hour than he did when he started
Mathematics
2 answers:
Novay_Z [31]3 years ago
8 0

Answer:

3.25?

Step-by-step explanation:

balandron [24]3 years ago
8 0

Answer:

Below.

Step-by-step explanation:

He now earns:

450/40 = 11.25 dollars per hour.

So he gets 11.25 - 8

= 3.25 dollars more.

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Given that abcd is a rhombus find the value of (3x+12)
IceJOKER [234]

Answer: this is just algebra, so you just got to add 3 plus 12 and then add the X at the end cause you don't know it's value.


Step-by-step explanation:

In this case you are multiplying 3 times X so it would stay as 3 and just add 12 = 15 X

Hope I helped.

3 0
3 years ago
Find the volume of a sphere with a great circle area of 201.06 square inches
Vikentia [17]
Assuming you meant a "circular cross-section" of 201.06 in².

so, we know if we cut the sphere like a cantaloupe, in half, the circular inner-part of the cantaloupe will have an area of 201.6 in².

keeping in mind that, the radius of that circular section, is the same radius of the sphere, what is it anyway?

\bf \textit{area of a circle}\\\\
A=\pi r^2~~
\begin{cases}
r=radius\\
-----\\
A=201.06
\end{cases}\implies 201.06=\pi r^2
\\\\\\
\cfrac{201.06}{\pi }=r^2\implies \sqrt{\cfrac{201.06}{\pi }}=r\\\\
-------------------------------

\bf \textit{volume of a sphere}\\\\
V=\cfrac{4\pi r^3}{3}\qquad \qquad \implies V=\cfrac{4\pi \left( \sqrt{\frac{201.06}{\pi }} \right)^3}{3}\implies V=\cfrac{4\pi \left( \frac{\sqrt{201.06^3}}{\sqrt{\pi ^3}} \right)}{3}
\\\\\\
V=\cfrac{4\pi \cdot \frac{\sqrt{201.06^3}}{\pi \sqrt{\pi }}}{3}\implies V=\cfrac{\frac{4\sqrt{201.06^3}}{\sqrt{\pi }}}{3}\implies V=\cfrac{4\sqrt{201.06^3}}{3\sqrt{\pi }}
6 0
3 years ago
Maria has a part-time job
nirvana33 [79]

Answer:

14 dollars per hour

14x per day

works 8 days a month

bus ticket cost 3 dollars

8 0
3 years ago
Determin the time taken when distance is 7150 km and speed is 780 km​
lapo4ka [179]

Step-by-step explanation:

a ) Distance = 7150 km , speed = 780 km / hr So , time taken. ... 42 5 m / sec So , Time taken = Distance Speed = 8 0 . 42 / 5 = 8 × 5 0 . 42 sec = 95 .

4 0
3 years ago
2. Out of 35 students participating in a debate, 10 are girls. The probability that winner is a boy is: a)1/7 b)3/7 c)4/7 d)5/7
Gnoma [55]

Answer: d) 5/7

Step-by-step explanation:

10 out of 35 of the students are girls. The number of boys is therefore:

= 35 - 10

= 25 boys

Probability that the winner is a boy is:

= 25/35

Take that fraction to the simplest by dividing both by 5:

= 5/7

3 0
3 years ago
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