All categories

3 years ago

Have x 50 notes and y N100 notes. There

Mathematics

2 answers:

Illusion [34]3 years ago

5 0

Answer:

Step-by-step explanation:

slava [35]3 years ago

5 0

You need to use simultaneous equations to solve this problem since there are 2 variables.

1. 50x + 100y = 550 (value of the notes x the number of each note)

2. x + y = 8 (the number of each note added).

3. Multiply the second equation by 50 so that it the x variables are the same in both equations. Thus, 50x + 50y = 400.

4. Subtract 50x + 50y = 400 from 50x + 100y = 550.

5. The subtraction results in 50y = 150.

6. Divide by 50. y = 3, so x must equal 5.

You might be interested in

Help is very much appreciated!

mote1985 [20]

Answer:

Step-by-step explanation:

6 0

3 years ago

You are given two offers for a monthly wage. Option A is to be paid one cent on the first day of the month, with your wages doub

ira [324]

Answer:

Step-by-step explanation:

Option B

Because if you start with one dollar and by day 3 you get 301 dollars and option A only gives you 8 cents on day 3 you get more money by the end of the month if you choose option B.

5 0

2 years ago

Given a soda can with a volume of 15 and a diameter of 2, what is the volume of a cone that fits perfectly inside the soda can?

Naddika [18.5K]

Check the picture below.

so, a cone, that fits inside the cylinder, will have the same height "h" and radius "r". Thus

$\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\qquad \boxed{\pi r^2 h}=15
\\\\\\
\textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\implies V=\cfrac{\boxed{15}}{3}$

8 0

3 years ago

Need Help

Fofino [41]

Answer:

$ 14.9

Step-by-step explanation:

we can create an equation

use variables:

pies = p

sauce = s

3.5p + 0.45s

3.5 (4) + 0.45(2)

3 0

3 years ago

Read 2 more answers

2 more than 7 times Lynn age

iVinArrow [24]

Lynn age: 7x+2. That's if you wanted an equation.

8 0

3 years ago