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2 years ago

How many nickels are there in $18.00? Solve the

Mathematics

1 answer:

MAXImum [283]2 years ago

7 0

Answer:

360 nickles

Step-by-step explanation:

you had the equation in front of you so just dived those numbers and 360 should be your answers and to check it multiply 360 by 0.05

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1- Find the value of the two numbers if their sum is 12 and their difference is 4. You must use an algebraic expression to solve

PilotLPTM [1.2K]

12-4=8 which means 12-8=4 which means now you have the difference of 4 and 8+4=12 which means now you have the sum of 12

3 0

2 years ago

Please solve it 90 POINTS please help- PLEASE HELP its Identify the following for the quadratic relations please slove it all pl

sdas [7]

Answer:

$\boxed{\mathrm{view \: explanation}}$

Step-by-step explanation:

a) elimination method

b) substitution method

c) substitution method

For the first part we can elimate the y variable by subtracting the equations. We can then find the value of x.

For the second part we can substitute y as 2x+5 in the second equation and solve for x.

For the third part we can substitute y as 4x+3 in the first equation and solve for x.

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8 0

2 years ago

Christina earns $250 a week. To budget money, she pays $135 in bills each week. How much money does Christina have left at the e

Rama09 [41]

Answer:

460 USD

Step-by-step explanation:

monthly earnings = 250 x 4 = 1000

monthly bills = 135 x 4 = 540

end of month = 1000 - 540 = 460 USD

7 0

3 years ago

In order to determine the slant height of several pyramids, Marjorie used the surface area formula, s= 1/2 pl+b for the slant he

m_a_m_a [10]

Answer:

$l=\dfrac{2(S-b)}{P}$

Step-by-step explanation:

The surface area formula for pyramids is given by :

$S=\dfrac{1}{2}Pl+b$ ...(1)

We need to arrange the formula for l.

Take b to LHS,

$S-b=\dfrac{1}{2}Pl\\\\2(S-b)=Pl\ [\text{cross-multiplying}]\\\\l=\dfrac{2(S-b)}{P}$

So, the expression is $\dfrac{2(S-b)}{P}$ for the slant height.

7 0

2 years ago

For the orchestra concert, the orchestra director has asked that everyone wear either black pants or a black skirt. Five times a

Andru [333]

Answer:

A:10

Step-by-step explanation:

1. Analyze: There are 60 people total and there is 5x more pants than skirts. This outrules 60 and 50.

2: Testing put all of your numbers into an equation. Since you need the total to be 60 you can do this. I am using p(pants) S(skirts for my example. S+S5=60 10 works in this equation.

7 0

3 years ago