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pantera1 [17]
4 years ago
11

Jan lost 22 points on her exam. She got 11 questions wrong.

Mathematics
2 answers:
rosijanka [135]4 years ago
7 0

Answer:

2

Step-by-step explanation:

22/11=2

jeyben [28]4 years ago
3 0
Total points =50
Total points =100 because every exam has a total of 100 points.

Total points per each question = 100 / 50 =2

She was penalized two points for each wrong question
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Question 15 (5 points)
Mrrafil [7]

Answer:

lo siento mucho no habló ingles

7 0
3 years ago
The longer base of a trapezoid is 8 ft. The longer base of a similar trapezoid is 13 ft. The area of the smaller trapezoid is 24
Licemer1 [7]

Answer:

390 ft²

Step-by-step explanation:

The longer base of a trapezoid is 8 ft. The longer base of a similar trapezoid is 13 ft. The area of the smaller trapezoid is 240 ft² What is the area of the larger trapezoid?

We solve the above question using proportion

(Longer base/Area of trapezoid) smaller trapezoid = (Longer base/Area of trapezoid) bigger trapezoid

Let the the Area of the bigger trapezoid = x

Hence,

= 8ft/240ft = 13ft/x ft

Cross Multiply

8ft × x = 240ft × 13ft

x = 240ft² × 12 ft/8 ft

x = 390 ft²

3 0
3 years ago
BRAINLIESTTT ASAP!!! PLEASE ANSWER :)<br> Explain your answer.
baherus [9]

Answer:

x=14

Step-by-step explanation:

2(3x-4)=5x+6

first get rid of the parentheses by multiplying the  2

6x-8 = 5x+6

put like terms on one side of the equation. Start with the 5x, move it to the left side

(6x-8)-5x = (5x+6)-5x

x-8 = 6


Again, put like terms on one side of the equation. Move the 8 to the right side

(x-8)+8 = 6+8

=> x = 14


B)

4x - 3 = 2(x-1)

Start again by getting rid of the parentheses to make it a clean equation... aka distribute the 2:

4x-3 = 2x - 2

Move the like terms to one side of the equation. Start with x.. move 2x to the left:

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

=> 2x-3 = -2

Move the like terms to one side of the equation.Now move the -3 to the other side:

(2x-3)+3 = -2+3

=> 2x=1

Lastly, divide by 2 on both sides to find out what x is:

(2x)/2=1/2

=> x = 1/2


..so no, Charlie was incorrect.


6 0
4 years ago
Read 2 more answers
Can someone plzzz help me ill give you pizza :((
den301095 [7]

Answer:

C. 1.5w^2 + 7.5w + 9

Step-by-step explanation:

Without frame:

The width is w. The height is 1.5w.

With frame:

The width is w + 1.5 + 1.5 = w + 3

The height is 1.5w + 1.5 + 1.5 = 1.5w + 3

The area of the framed portrait is height * width

area = (1.5w + 3)(w + 3)

area = 1.5w^2 + 4.5w + 3w + 9

area = 1.5w^2 + 7.5w + 9

7 0
4 years ago
More Algebra help pretty please! :P
Akimi4 [234]
The answer would be the first option (2.2, -1.4) it is the closest to where the two meet. Can I plz have brainliest? i need it
8 0
4 years ago
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