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andrew11 [14]
3 years ago
6

at a local fitness center, members pay a $12 membership fee and $5 for each aerobic class. Nonmembers pay $6 for each aerobic cl

ass. for what number of aerobics classes will the cost for member and nonmembers be the same? solve
Mathematics
2 answers:
Len [333]3 years ago
8 0

Make an equation:

5x+12=6x

Use the subtraction property:

x=12

The final answer is that the cost for members and nonmembers will be the same when there have been 12 classes.

Iteru [2.4K]3 years ago
3 0
<h2>Answer with Step-by-step explanation:</h2>

Members pay a $12 membership fee and $5 for each aerobic class.

i.e. if x is the number of aerobic classes then,

Members have to pay=5x+12

Nonmembers pay $6 for each aerobic class.

i.e. if x is the number of aerobic classes then,

Non members have to pay=6x

We have to determine the number of classes so that they both have to pay same amount

i.e. we have to find the value of x in

6x=5x+12

Subtracting both sides by 5x, we get

x=12

Hence, for 12 classes members and nonmembers have to pay the same amount

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nikdorinn [45]

13 divided by 1 and 3/7=9 and 1/10

$9.10

4 0
4 years ago
A = {a, b, c, d}
Helen [10]

Answer:

Johnny is wrong.

A \cup B = \left\{a,b,c,d,e,f,g,h\right\}

Step-by-step explanation:

Johnny is wrong.

A better definition would be: A \cup B is the set of all elements that belong to at least one A or B.

So, the elements that belong to both A and B, like c and d in this exercise, also belong to A \cup B.

So:

A \cup B=\left\{a,b,c,d,e,f,g,h\right\}

4 0
3 years ago
Without subtracting 8.5 - 4.64, determine what digit will be in the hundredths place. Explain
murzikaleks [220]
8.5 is the same as 8.50, right? So just take the digit in the hundredth place of both decimals and subtract. You'd be doing 0-4 so you can go ahead and borrow a number to make 10-4, which equals 6. So without subtracting 8.5 and 4.64, you can determine that 6 will be in the hundredth place. Hope this helps!
3 0
3 years ago
A vet's office offers boarding for cats and dogs. boarding a cat cost$20 per night and a dog cost $25 per night if the vet's off
MAVERICK [17]

Answer:

b. x+y=18

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Step-by-step explanation:

7 0
3 years ago
1.) Find the value of the discriminant and the the number of real solutions of
ruslelena [56]
Hi there!

When we have an equation standard form...
a {x}^{2} + bx + c = 0
...the formula of the discriminant is
D = b^2 - 4ac

When
D > 0 we have two real solutions
D = 0 we have one real solutions
D < 0 we don't have real solutions

1.) Find the value of the discriminant and the the number of real solutions of
x^2-8x+7=0

Plug in the values from the equation into the formula of the discriminant

( - 8) {}^{2} - 4 \times 1 \times 7 = 64 - 28 = 36

D > 0 and therefore we have two real solutions.

2.) Find the value of the discriminant and the number of real solutions of
2x^2+4x+2=0

Again, plug in the values from the equation into the formula of the discriminant.

{4}^{2} - 4 \times 2 \times 2 = 16 - 16 = 0

D = 0 and therefore we have one real solution.

~ Hope this helps you.
4 0
3 years ago
Read 2 more answers
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