Answers
The sides of the right triangle are as follows:
AC = 3.2 metres
AB = 12.4 metres
How to solve right triangle?A right angle triangle is a triangle that has one of its angles as 90 degrees. The sum of angles in a right triangle is 180 degrees.
Therefore, the sides of a right triangle can be found using trigonometric ratios.
Hence, let's find AC
tan 15 = opposite / adjacent
tan 15 = AC / 12
cross multiply
AC = 12 tan 15
AC = 12 × 0.26794919243
AC = 3.21539030917
AC = 3.2 metres
Let's find AB
cos 15 = adjacent / hypotenuse
cos 15 = 12 / AB
AB = 12 / cos 15
AB = 12 / 0.96592582628
AB = 12.423314503
AB = 12.4 units
learn more on right triangle here: https://brainly.com/question/29116843
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Step-by-step explanation:
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Answer:
The explanation is given below
Step-by-step explanation:
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_________________
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Step-by-step explanation:
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NO LINKS
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The graphs of which of these pairs of linear equations intersect at the point (-3, 2)? Select all that apply.
A 6x - y = 15
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B. 2x + y = -4
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C. X + 8y = 19
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D. 8x + y = 22
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E5x - y = -17
x + 4y = 5
Answers
Answer:
Options B and E.
Step-by-step explanation:
We want to see for which systems the point (-3, 2) is a solution (a solution of a system means that both equations intersect in that point).
The point (-3, 2) is a solution of the system only if this point belongs to both linear equations in the system.
Then for each system, we need to replace x by -3 and y by 2 in both equations and see if the equality is true or not.
A)
6x - y = 15
-3x + 4y = -18
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6*(-3) - (2) = 15
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This is false, so we can discard option A.
B)
2x + y = -4
3x + 2y = -5
In the first equation we have:
2*(-3) + 2 = -4
-6 + 2 = -4
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C)
x + 8y = 19
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(-3) + 8*(2) = 19
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D)
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8*(-3) + 2 = 22
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E)
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In the first option we have:
5*(-3) - (2) = -17
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Then the correct options are B and E.
increase 320g in a ratio 5:2
Answers
Answer:5/2/320=900
Step-by-step explanation: