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2 years ago

W=4u + 3 Find the value of w when u=8

Mathematics

2 answers:

Goryan [66]2 years ago

3 0

Answer:

w=35

Step-by-step explanation:

w=4u+3

w=4(8)+3

w=32+3

w=35

Hope this helps :)

Sergeeva-Olga [200]2 years ago

3 0

Answer:

35 You need to put 8 as w=4(8)+3 then you times 4 and 8 which equals 32 then you are going to add 32 with 3 to get 35

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Solve for d. 3d - d - 1 = 5 HELP

Alina [70]

Answer:

d=3

Step-by-step explanation:

4 0

3 years ago

Pedro le dice a María si cambias los billetes de 10 € que tienes por billetes de 5 € y los billetes de 5 € por billetes de 10 €

Bad White [126]

Answer: Maria has 10 bills of 5€ and 10 bills of 10€.

She has a total of 150€.

Step-by-step explanation:

Let be "f" the number of 5€ bills that Maria has and "t" the number of 10€ bills that Maria has.

Set up a system of equations:

$\left \{ {{f+t=20} \atop {5f+10t=10f+5t}} \right.$

Use the Substitution method to solve the system of equations:

1. Solve for "f" from the first equation:

$f=20-t$

2. Substitute the equation obtained into the second equation and solve for "t".

Then:

$5(20-t)+10t=10(20-t)+5t\\\\100-5t+10t=200-10t+5t\\\\20t-10t=100\\\\t=\frac{100}{10}\\\\t=10$

3. Substitute the value of "t" into the equation $f=20-t$ and evaluate:

$f=20-10\\\\f=10$

Therefore, Maria has 10 bills of 5€ and 10 bills of 10 €.

So the total amount of money she has, is:

$Total=10(5)+10(10)=150$

She has a total of 150€.

5 0

3 years ago

Coach glasses cost $60 to manufacture at the factory. The retail price has a markup of 25%. What is the selling price of the gla

Free_Kalibri [48]

Answer:

Step-by-step explanation: 60 ÷ 0.25 = 240

240 is your selling price

3 0

2 years ago

In a game,the probability that a spinner will land on a 3 is 1/5.How many times would you expect to land on a 3 if you spin the

schepotkina [342]

Answer:

3 times

Step-by-step explanation:

15 * 1/5 = 15/5

3 0

3 years ago

X + 5y =100 x +y = 60 Which ordered pair is the solution of the system?

Simora [160]

Answer:

lets start with the easy equation. X+Y=60. so we take 60 and subtract Y to get X by itself. meaning X = 60-Y. every time we see X replace with (60-Y).

X + 5Y = 100 change to

60-Y+5Y = 100

5Y - Y = 4y.

60+4Y = 100. 100 minus the 60 = 40. 4Y=40. divide by 4. Y = 10. ok so now we solve for X. X + Y (or 10) = 60. 60-10 = 50. X = 50.

Step-by-step explanation:

4 0

3 years ago