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Andrei [34K]
2 years ago
5

A(5x + 3) = b + 15x a = (?) b = 5ax + 3a - 15x (?)

Mathematics
2 answers:
prisoha [69]2 years ago
8 0

Answer:

nice name man

Step-by-step explanation:

Paul [167]2 years ago
4 0
The answer is in the image attached. Sorry if it’s wrong.

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Plz help me with this question
inessss [21]
Answer is 3x(+7)= welcome
7 0
3 years ago
The bowling alley and the swimming pool both offer birthday party rentals the bowling alley coast $5 per person plus a $15 room
Vanyuwa [196]

Answer:

Swimming pool

Step-by-step explanation:

Let's say that we invite x people. The cost of the bowling alley will be $15 for the room, and we add $5 dollars for each person. Therefore, we can represent the cost of the bowling alley as

5 * x + 15

Similarly, the cost of the swimming pool is

4 * x + 12

To find the maximum of the function, one thing we can do is set the expressions of the cost equal to 40. This will give us the amount of people we can invite for exactly 40 dollars. Because cost increases with amount of people, this will give us the maximum number of people we can invite with $40.

We thus have

5 * x+ 15  = 40

subtract 15 from both sides to isolate the x and its coefficient

25 = 5 * x

divide both sides by 5 to isolate x

25/5 = x = 5

We can therefore invite 5 people to the bowling alley

4 * x+ 12  = 40

subtract both sides by 12 to isolate the x and its coefficient

28 = 4 * x

divide both sides by 4 to isolate x

x = 7

Therefore, we can invite 7 people to the swimming pool. As 7 > 5, we can invite more people to the swimming pool.

A quicker way to solve this could be by looking at the cost of each location. Because the bowling alley costs more both per person and for the room, and there is no way to decrease the cost except by decreasing the amount of people, there is no way that the bowling alley could get as many people as the swimming pool with the same amount of money

5 0
2 years ago
5l of 70% alcohol solution was mixed with 9l of pure water what is the concentration of the mixture
ElenaW [278]

The new mixture has a total volume of 5 L + 9 L = 14 L.

70% of the 5 L alcohol solution is alcohol, so that it contributed 3.5 L of alcohol to the mixture. The pure water contributed no alcohol. So in the mixture, the concentration of alcohol is

3.5 L / 14 L = 0.25, or 25%

6 0
3 years ago
Presley is marking the lines for a soccer field. She needs to form a right triangle near the goal. She measures the lengths of h
Hunter-Best [27]

Answer:it’s b

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the length of XY?
xeze [42]

Answer:

( C ) 20 inch

Step-by-step explanation:

AB=28 inch ( given )

AP=26 inch ( given )

since that xy bisects and its perpendicular to AB and CD

then AX=48/2 = 24 inch

so by using Pythagoras theorem

then  26 squared - 24 squared = 10 inch

so XD+YD= 10 +10 =20 inch

4 0
3 years ago
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