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Tema [17]
3 years ago
14

Select the correct choices that belong in the blank for the system of equations shown below.

Mathematics
1 answer:
nekit [7.7K]3 years ago
7 0

Answer:

The answer to your question is Stacy multiplies the second equation by 4.

Step-by-step explanation:

                                             24x - 39y = 165    (I)

                                             - 6x + 13y = -51     (II)

Multiply the second equation by 4

                                             24x -    39 y = 165

                                           -24x  +   52y  = -204  

Simplify

                                              0    +  13y = 39

                                                           y = 39/ 13

                                                           y = 3

Find "x" value                       24x - 39(3) = 165

                                             24x - 117 = 165

                                             24x = 165 + 117

                                             24x = 282

                                                 x = 282 / 24

                                                 x = 47/4

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The cost of an uber ride, y, based on miles, x is represented by y = 2/3x + 4. How much does a 21-mile ride cost ?
dangina [55]

Answer:

Step-by-step explanation:

Let the cost of the Uber ride be represented by y in dollars.

Let the number of miles that the Uber rides be represented by x.

The equation relating x and y is expressed as

y = 2/3x + 4.

This is a slope intercept form equation. The slope is 2/3 and it represents the cost per mile.

The cost of a 21 mile ride will be

Substituting x = 21 into the given equation, it becomes

y = 2/3 × 21 + 4 = 14 + 4 = 18

The 21 mile ride costs $18

Part B) The $46 ride will cost

Substituting y = 46 into the given equation, it becomes

46 = 2x/3 + 4 =

46 - 4 = 2x/3

42 = 2x/3

2x = 42 × 3 = 126

x = 126/2 = 63

The $46 ride will be 63 miles

6 0
3 years ago
ALGEBRA HELP PLEASE!!!! I DO NOT UNDERSTAND <br> Question: What is the range of this function?
Olegator [25]
Answer is D {-8, -3, 5, 7 }

hope it helps
8 0
2 years ago
What exclusions are placed on the variable x for the fraction 4x^2-1/4x+2
aalyn [17]
Below are the choices:

<span>-1/2
0
 -1
 non
</span>
The  exclusions are placed on the variable x for the fraction 4x^2-1/4x+2 is -1/2. Below is the solution, 

<span>4x+2 = 0 so 4x=-2 so x=-2/4 wich is -1/2</span>
7 0
3 years ago
Read 2 more answers
8. Find GH,<br> E<br> 3-4<br> HY<br> -<br> H<br> 2<br> 3x - 4<br> G<br> SI<br> F<br> 9x - 59<br> D
Ostrovityanka [42]

Answer:

GH= 47

Step-by-step explanation:

2(3x - 4) = 9x - 59

6x - 8 = 9x - 59

6x - 9x =  - 59  + 9

\cfrac{ - 3x}{ - 3}  =  \cfrac{ - 51}{ - 3}

x = 17

gh = 3(17)  - 4

51 - 4

= 47

~

8 0
2 years ago
List two school activities that u do in the morning time and afternoon time.write time for these two activities
zheka24 [161]
1. I complete some of my cyber: 7:00am to 10:00am

2. I spend time doing assignments in votech: 12:00pm to 2:30pm
6 0
3 years ago
Read 2 more answers
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