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Oksanka [162]
3 years ago
6

Two groups of friends go to a basketball game. Each group plans to share snacks. The first group buys 5 drinks and 6 pretzels fo

r 28$. The second group buys 2 drinks and 4 pretzels for 16$. Creat two equations in standard form you can use to solve this system​
Mathematics
1 answer:
tatuchka [14]3 years ago
3 0

Answer:

the price for one pretzel was $1.75

Step-by-step explanation:

d for drinks

p for pretzel

3d + 3p = 9

3d = 9 -3p

d = 3 - p

replace d = 3 - 9 into 4d + 2p = 8.5

4d + 2p = 8.5

4(3 - p) + 2p = 8.5

12 - 4p + 2p = 8.5

-2p = 8.5 - 12

-2p = -3.5

p = 1.75

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mean of 164,175,178,166,167,145,176,150,174,162,180,156,173,158,182,184,160,172,186,168,195,169,171,187,170
Karo-lina-s [1.5K]

Answer:

170.72

Step-by-step explanation:

to find the mean, we must add al the numbers and divide it by n

that is,

164,175,178,166,167,145,176,150,174,162,180,156,173,158,182,184,160,172,186,168,195,169,171,187,170 we have to add al these numbers and divide it by 25

sum- 4628 divided by 25

=170.72

7 0
2 years ago
What is 2y=x+15 in slope intercept form?
Gnoma [55]

Answer:

Step-by-step explanation:

35

7 0
3 years ago
Austin will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $40 and costs an ad
GenaCL600 [577]

Answer:

1st plan--> 40+0.11x

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Step-by-step explanation:

7 0
2 years ago
Kyle and Taylor ran laps after school to train for the baseball team. The ratio of the number of laps Kyle ran to the number of
Zinaida [17]

Answer:

9 laps.

Step-by-step explanation:

-Let x be the number of laps Taylor runs.

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4 0
3 years ago
If four times the sum of a number and 3 is divided by 2, the quotient is 0: find the number
AveGali [126]

The other number is -3.

Step-by-step explanation:

Step 1; First we develop formulae for the given information. A number is added with 3 and the resulting sum is multiplied by 4. This number is then divided by 2 and the quotient is 0. Assume the unknown number is x, then the given information is as follows

The quotient of \frac{4(x+3)}{2} is 0. So \frac{4(x+3)}{2} = 0.

Step 2; Now we solve the above equation. The denominator is taken to the RHS and the RHS remains zero.

\frac{4(x+3)}{2} = 0, 4(x+3)= 0, 4x+ 12 = 0, 4x = -12, x = \frac{-12}{4} = -3.

So the other number is -3.

3 0
3 years ago
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