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DENIUS [597]
2 years ago
6

What is the solution to the system? a+b=4 a=2b-8

Mathematics
1 answer:
nikdorinn [45]2 years ago
5 0
B=4-a sorry if that’s not correct but I think it is
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Is (-1,3) a solution for y < 2x + 5?
lesya692 [45]
No it’s not a solution
4 0
3 years ago
X <br> 38°<br> 750<br> x= -<br> degrees
Pachacha [2.7K]
It's pretty simple
Given: A = 38
B = 75
Solution:
The sum of all angles of a triangle = 180
So,
A + B + C = 180
38 + 75 + C = 180
C = 180 - 113
C = 67
5 0
3 years ago
How many different choices of car does a person have if a particular model comes in 11 colors and 3 styles (hatchback, full-size
adoni [48]

Answer: 33

Step-by-step explanation: 11 x 3= 33

multiply your 11 color options by the 3 style options.

5 0
3 years ago
What is the area of one of the small trapezoids? show your work and explain your reasoning.
lys-0071 [83]
The area of a trapezoid is found using the formula, A = ½ (a + b) h, where 'a' and 'b' are the bases (parallel sides) and 'h' is the height (the perpendicular distance between the bases) of the trapezoid.
8 0
2 years ago
In a test, +3 marks are given for every correct answer and -1 are given for every incorrect answer (i) Sona scored +20 marks tho
e-lub [12.9K]

Answer:

10 incorrect answers

Step-by-step explanation:

Correct answer = +3

Incorrect answer = - 1

Mark scored = 20

Number of correct answers = 10

Let:

Incorrect answers = y

Hence, we can fashion out the expression for total score :

(Number of correct answers * score per Correct answer + number of incorrect * score per incorrect) = total score

(10 * 3) + (y * - 1) = 20

30 - y = 20

-y = 20 - 30

-y = - 10

y = 10

10 incorrect answers

4 0
3 years ago
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