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ch4aika [34]
2 years ago
7

Tri scored a total of 31 points in the basketball game, and he scored p points in the second half of the game. Write an expressi

on to determine the number of points he scored in the first half of the game. Then, find the number of points he scored in the first half of the game if he scored 7 points in the second half of the game
Please No Fake Answers this QUESTION IS ALOT OF POINTS ON A TEST
Mathematics
2 answers:
kirill115 [55]2 years ago
7 0

Answer:

If he scored x points in the first half, then x + p = 31

lana66690 [7]2 years ago
5 0

Answer:

  • expression: y = 31 - p
  • He scored 24 points in the first half.

expression:

first half points + second half points = total points obtained

Let first half points be y

y + p = 31

y = 31 - p ......this is the expression.

solve:

y = 31 - p

y = 31 - 7

y = 24 points

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Identify the properties of equality needed to isolate a varaible and solve a given equation. Use the drop-down menus to show you
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A x b = 400<br> a ÷ b = 4<br>how much is b​
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Step-by-step explanation:

8 0
3 years ago
Kyle works at a donut​ factory, where a​ 10-oz cup of coffee costs 95cents​, a​ 14-oz cup costs​ $1.15, and a​ 20-oz cup costs​
choli [55]
Let x = no. of 10 oz cups sold
Let y = no. of 14 oz cups sold
Let z = no. of 20 oz cups sold
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Equation 1: total number of cups sold:
x + y + z = 24
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Equation 2: amt of coffee consumed:
10x + 14y + 20z = 384
:
Equation 3: total revenue from cups sold
.95x + 1.15y + 1.50z = 30.60
:
Mult the 1st equation by 20 and subtract the 2nd equation from it:
20x + 20y + 20z = 480
10x + 14y + 20z = 384
------------------------ subtracting eliminates z
10x + 6y = 96; (eq 4)

Mult the 1st equation by 1.5 and subtract the 3rd equation from it:
1.5x + 1.5y + 1.5z = 36.00
.95x + 1.15y+ 1.5z = 30.60
---------------------------subtracting eliminates z again
.55x + .35y = 5.40; (eq 5)

Multiply eq 4 by .055 and subtract from eq 5:
.55x + .35y = 5.40
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--------------------eliminates x
0x + .02y = .12
y = .12/.02
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Substitute 6 for y for in eq 4
10x + 6(6) = 96
10x = 96 - 36
x = 60/10
x = 6 ea 10 oz cups

That would leave 12 ea 20 oz cups (24 - 6 - 6 = 12)

Check our solutions in eq 2:
10(6) + 14(6) + 20(12) =
60 + 84 + 240 = 384 oz

A lot steps, hope it made some sense! I hope this helps!! ;D

3 0
3 years ago
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