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Dmitry_Shevchenko [17]
3 years ago
12

Solve the given system by the substitution method. If there is no solution or an infinite number of​ solutions, so state. Use se

t notation to express solution sets.
x+3y=14
4x+5y=35
Mathematics
1 answer:
Novosadov [1.4K]3 years ago
4 0

Answer:

x=5, y=3

Step-by-step explanation:

1) x+3y=14,4x+5y=35

2) x+3y=14

3) x=-3y+14

4) 4(-3y+14)+5y=35

5) -12y+56+5y=35

6) -7y+56=35

7) -7y=-21

8) y=3

9) x=-3\times 3+14

10) x=-9+14

11) x=5

finale and last : x=5,y=3 ✅

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sleet_krkn [62]
Domain= [0,18], Range = [0,31.50]
If Charlie will only go to a single ride one time the possible rides he could go on would be 0 rides to all 18 rides for a domain of [0,18]. The output of the maximum and minimum x values would give us 0 dollars for riding 0 rides and 31.50 for riding all 18 (1.75 *0 = 0) and (1.75*18 = 31.50) so the range is [0, 31.50] 
4 0
3 years ago
Amy is training for a half marathon. in practice, she runs 2 miles in 15 minutes. If she continues at the same rate, how many mi
kipiarov [429]

Step-by-step explanation:

B. 8

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<h2>step</h2>

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find the number of miles ran by multiplying the speed by the time, ie

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3 0
3 years ago
What is the equation of the line that has a slope of 4 and passes through the point (3, -10?
irga5000 [103]
Hello 
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3 0
3 years ago
A 156-inch board is cut into two pieces. One piece is three times the length of the other. Find the
cluponka [151]

Answer:

The shorter piece is 39 inches long.

Step-by-step explanation:

ratio = 3 : 1

3+1=4

156/4 = 39

just to check:

39 x 3 = 117 (the lenght of the longer piece)

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hope this helps

brainliest plx

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7 0
2 years ago
QUESTION 1
lukranit [14]
1.) 2368000 (two million, three hundred sixty-eight thousand)
2.) 864,346,000 rounded to nearest thousand
3.) 864,345,537.00 not 100% on the last answer

Good luck
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3 years ago
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