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Makovka662 [10]
3 years ago
12

Examine the system of equations.

Mathematics
2 answers:
Grace [21]3 years ago
6 0

Answer:

(x, y) = (-7, 7)

Step-by-step explanation:

y= 7

-3 - 2x = 7

<em>Substitute the given value of y into the equation</em>

- 3x - 2 x 7 = 7

<em>Solve for the equation for x </em>

x = -7

<em>The possible solution of the system is the ordered pair (x, y)</em>

(x, y) = ( -7, 7)

<em>Check if the given ordered pair is the solution of the system of equations</em>

7= -3x (-7) - 2 x 7 = 7

= 7 = 7 = 7

andre [41]3 years ago
3 0

Answer:

x = -3

(-3,7)

Step-by-step explanation:

y = –3x – 2,

y = 7

We know the value of y, y=7

Substitute into the first equation

7 = –3x – 2

Add 2 to each side

7+2 =  –3x – 2+2

9 = -3x

Divide each side by -3

9/-3 = -3x/-3

-3 = x

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Class of 50 students dressed up 38% have white shirts. How many are wearing white shirts?
shutvik [7]

Step-by-step explanation:

☥ \underline{ \underline{ \text{Given} }}:

  • Total number of students = 50
  • Percentage of students who are wearing white shirts = 38 %

☥ \underline{ \underline {\sf{To \: find} }}:

  • Total number of students who are wearing white shirts

☥ \underline{ \underline{ \sf{Solution} }} :

⟹ \sf{38\% \: of \: 50} =  \frac{38}{100}  \times 50 =  \boxed{ \sf{19}}

\red{ \boxed{ \boxed{ \tt{⟿ \: Our \: final \: answer : 19}}}}

Hope I helped ! ♡

Have a wonderful day / night ツ

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3 0
3 years ago
A bakery sells pie slices that are 1/6 of a pie. If they made 18 pies today.How many slices of pie will they have?
Lera25 [3.4K]

Answer:

108 slices

Step-by-step explanation:

One pie is 6 slices so 6*18 is equal to 108

4 0
2 years ago
There were 10 students in a teacher's classroom. The next week, there were 19 students. What is the percent increase
mixas84 [53]

Answer:

Step-by-step explanation:

7 0
2 years ago
I don't get it at all could you go step by step with me
Elodia [21]
Okay, so if e=110, then so does c, because they are Alternate Interior angles. If c=110, then so does a, because they are Alternate Exterior. Angles a and b are on a straight line, which equals 180 altogether, and 180-110 is 70, so the measure of angle b is 70.

Hope this helps ya
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