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labwork [276]
3 years ago
13

Question 1 (1 point)

Mathematics
1 answer:
bazaltina [42]3 years ago
7 0
Domain: {-4,0,8}
Range: {1,5,10}
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What is the solution to the system of equations below? y = one-half x minus 4 and y = negative 2 x minus 9 (–2, –5) (–2, –3) (2,
Maurinko [17]

We have been given a system of equations y=\frac{1}{2}x-4 and y=-2x-9. We are asked to find the solution of our given system of equations.

To solve our system of equations, we will equate both equations as:

\frac{1}{2}x-4=-2x-9

\frac{1}{2}x-4+4=-2x-9+4

\frac{1}{2}x=-2x-5

\frac{1}{2}x+2x=-2x+2x-5

\frac{1}{2}x+\frac{4}{2}x=-5

\frac{1+4}{2}x=-5

\frac{5}{2}x=-5

\frac{2}{5}\cdot \frac{5}{2}x=-5\cdot \frac{2}{5}

x=-2

Upon substituting x=-2 in equation y=-2x-9, we will get:

y=-2(-2)-9

y=4-9

y=-5

Therefore, the solution of our given system of equations would be (-2,-5) and option A is the correct choice.

7 0
3 years ago
Read 2 more answers
5. Which expression is equivalent to 3(4x + 10 = 2+3)?
Dvinal [7]

Answer:

The solution for your question is d option

Step-by-step explanation:

12x+30=6

12x+24

3 0
3 years ago
Sphere A has a radius of 24 centimeters, and sphere B has a diameter of 42 centimeters. The radius of sphere A is multiplied by
sashaice [31]
Ok, so we know that the radius of Sphere A is 24 cm, and we know that the diameter of Sphere B is 42 cm. To find the radius of Sphere B, all we need to do is divide the diameter by two. The radius of Sphere B is 21 cm. 24 times what factor is 21? Well, 24* \frac{21}{24} is equal to 21. All we need to do now is simplify it. Divide the numerator and denominator by 3, and we get \frac{7}{8}
6 0
4 years ago
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out of 120 customers in a shop, 45 bought both bags and shoe. if all the customers bought either bahs or shoes and 11 more custo
Makovka662 [10]
Are you being asked to complete the question so that it would make sense? because it would make sense to me to be either a or b
if not, then could you please specify?
8 0
4 years ago
Help pleaseeeeee lol
andriy [413]

Answer:

7)m=-4

8)p=1

9)v=-12

10)n=-7

11)-13=x

12)b=-4

13)-108=b

14)n=4

Step-by-step explanation:

5 0
3 years ago
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