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bija089 [108]
3 years ago
5

Find the value of x. A.20 B.25 C.18.75 D.22.5

Mathematics
2 answers:
miss Akunina [59]3 years ago
7 0

The two equations are vertical angle, which would be equal to each other.

Set the equations to equal and solve for x:

5x -10 = 3x +40

Subtract 3x from both sides:

2x -10 = 40

Add 10 to both sides:

2x = 50

Divide both sides by 2:

x = 50 / 2

x = 25

The answer is B. 25

Natalka [10]3 years ago
3 0

Answer:

B. 25

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i hate myself :/

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John & friends brought 4 bags of popcorn and 3 sodas at the movie for a total of 13.50. At the next movie John & friend
scoray [572]

Answer:

The cost of 5 bags of popcorn and 2 sodas is 14.25 units.

Step-by-step explanation:

We are given the following in the question:

Let x units be the cost of a popcorn bag and y units be cost of soda.

The cost of 4 bags of popcorn and 3 sodas is 13.50.

Thus, we can write the equation:

4x + 3y = 13.50

The cost of 2 bags of popcorn and 5 sodas is 12.00

Thus, we can write the equation:

2x+5y=12

Solving the two equations, we get,

4x + 3y-(4x+10y) = 13.5 - 24\\\Rightarrow -7y  =10.5\\\Rightarrow y = 1.5\\\Rightarrow 2x + 5(1.5) = 12\\\Rightarrow x = 2.25

Thus, the cost of popcorn bag is 2.25 units and the cost of a soda is 1.5 units.

Cost of  5 bags and 2 sodas

==5x+2y\\=5(2.25) + 2(1.5)\\=14.25

Thus, cost of 5 bags of popcorn and 2 sodas is 14.25 units.

8 0
3 years ago
Help me, please and ty
Ira Lisetskai [31]

Answer:

3/5, 30%, 0.1

Step-by-step explanation:

0.4 + 1/2 + 40% = 0.4 + 0.5 + 0.4 = 1.3

3/4 + 0.25 + 1/2 = 0.75 + 0.25 + 0.5 = 1.5

3/5 + 30% + 0.1 = 0.6 + 0.3 + 0.1 = 1

The last choice is a probability complement because all values add to 1.

8 0
3 years ago
Need help thank you mark brainliest
aliina [53]

Answer: it says independent work

Step-by-step explanation:

3 0
3 years ago
If f(x) = 5x – 3 and g(x) = 3x – 3, find f(x) – g(x). Please include full explanation
Kisachek [45]

Answer:

2x

Step-by-step explanation:

f(x) – g(x)

f(x) = 5x – 3 and g(x) = 3x – 3

f(x)- g(x) = 5x – 3 -( 3x – 3)

Distribute the minus sign

               5x -3 -3x+3

Combine like terms

              5x-3x-3+3

               2x

3 0
3 years ago
Read 2 more answers
Does the line 3y + x = 5 pass through the point (2, 7)?
Lubov Fominskaja [6]
 Well just plug the two points in... y=7 x=2

3(7) + 2= 5
is that true or not?

3(7)
21
21+2= 23

23 is not equal to 5... so no it does not pass through the point (2,7)
5 0
3 years ago
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