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Effectus [21]
3 years ago
12

Shana took a test with 50 questions. she lost 2 points for each of the 5 questions she got wrong. She got all 3 extra credit que

stions correct and received 5 points for each. What is the total number of points she gained lost overall? A: gained 7 points
B: gained 5 points C: lost 5 points D: lost 20 points
Mathematics
1 answer:
deff fn [24]3 years ago
4 0

Answer:

Answer

Answer is option A gained 5 points

Step-by-step explanation:

Please mark as brainliest

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Which is the approximate solution to the system y = 0.5x + 3.5 and y = −A system of equations. y equals 0.5 x plus 3.5. y equals
Ivahew [28]

The approximate solution to the given system of equation is (-2.71, 2.14)

<h3>Solving a system of linear equations</h3>

From the question, we are to determine the approximate solution to the given system of linear equations.

The given equations are

y = 0.5x + 3.5

y = -2/3 x+ 1/3

From the given information, we are to show the solutions on a graph

The graph that shows the solution to the given system of equation is shown below.

The solution to the given system is the point of intersection of the lines. The coordinate of the point of intersection of the lines is (-2.71, 2.14). That is, x = -2.71, y = 2.14.

Hence, the approximate solution to the given system of equation is (-2.71, 2.14)

Learn more on Solving systems of linear equations here: brainly.com/question/14323743

#SPJ1

3 0
2 years ago
Which shape has 4 congruent sides and 4 right angles?
kondaur [170]
4 congruent sides
not a triangle or trapezoid or rectangle


answer is  square
D is answer
(technically, all squares are rectangles, but not all rectangles are squares, so rectangle is sometimes true)

D is answer
5 0
3 years ago
Read 2 more answers
If a = 2, find b, c, and d.<br> a + b = c<br> a-c=d<br> a+b=5
Doss [256]

Answer:

a=2

b=3

c=5

d=-3

Step-by-step explanation:

a + b = c

a-c=d

a+b=5

a+b =5

a = 2

2+b =5

Subtract 2 from each side

2+b-2 =5-2

b=3

a + b = c

2+3 = c

5=c

a-c=d

2-5 =d

-3 =d

3 0
3 years ago
Which two expressions are equivalent? A. 4(2 + x) and 4•2+2•x, B. 4+2 + x and (4 + 2)+x, C. 4•X + 2 and 4•(x+2), D. 4 / (2 - x)
kirill115 [55]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
5(x–9)–7(3x+6)=25<br> Please help me.
Snowcat [4.5K]

Answer:

x=-3 10/16

Step-by-step explanation:

5x-9-21x-42=25 (opening parenthesis)

-16x-33=25

16x+58=0

x=-58/16=-3 10/16

3 0
4 years ago
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