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Romashka [77]
2 years ago
6

Solve the system of linear equations by elimination.

Mathematics
1 answer:
aleksley [76]2 years ago
3 0

Answer:

This is my best solution for your question

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An angle measures 58.4° more than the measure of its complementary angle what is the measure of each angle?
avanturin [10]

Answer:

15.8

74.2

Step-by-step explanation:

Call the two angles A and B

A = B + 58.4              Substitute for A

A + B =90

B + 58.4 + B = 90      Combine like terms  

2B + 58.4 = 90          Subtract 58.4

2B = 90 - 58.4

2B = 31.6                    Divide by 2

B = 15.8

A = 15.8 + 58.4           Fin A

A = 74.2

7 0
2 years ago
What expression is equivalent to 7-2z-4(z^3-z^3+4z^2+11z+14/z+2)
Sholpan [36]
Had to answer it on notepad. Hope This Is Right.

3 0
3 years ago
Read 2 more answers
What type of triangle is formed with sides of length 11, 13, and 15?
tatuchka [14]

Answer:

scalene triangle

Step-by-step explanation:

5 0
2 years ago
What is the equation of a circle with center (-4,7) and radius 8?
Vedmedyk [2.9K]

The equation of the circle would be (x−(−4))2+(y)2=6or (x+4)2+(y−72=36.

Explanation:The equations of the circle is(−h)2+y−k)2=r2

where h is the x of the center of the circle and k is the y of the center of the circle, and r is the radius(-4,7) radus is 6h = -4k = 7r = 6plug in the values(x−(−4))2+(y−7)2=62simplify(x+4)2+(y−7)2=36.

6 0
3 years ago
Among 18 students in a room, 7 study mathematics, 10 study science, and 10 study computer programming. Also, 3 study mathematics
tatyana61 [14]

Answer:

2 students study none of the subjects.

Step-by-step explanation:

Consider the attached venn diagram. First, we place that 1 student studies the three subjects. Then, we notice that 3 students study math and science, then 2 students study math and science only, since we have 1 that studies the three subjects. In the same fashion, we have that 3 students study Math and computer programming only (since they are 4 in total). Note that since 7 students study math, and we already have 6 students in our count in the math subject this implies that 1 student studies only math (the total number of students inside the math circle must add to 7).

We also have that 4 students study science and computer programming only. Which implies that we must have 3 students that study science only (10 students that study science in total) and 2 students study computer programming (for a total of 10 students). The total number of students that study none is the total number of students (18) minus the amount of students that is inside the circles (16) which is 2.

8 0
2 years ago
Read 2 more answers
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