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Rus_ich [418]
3 years ago
6

***WILL GIVE 25 POINTS, THANKS, STARS, + BRAINLIEST ANSWER***

Mathematics
2 answers:
Eddi Din [679]3 years ago
8 0
Multiply everything in the parentheses by -2/3
-2/3 x 2x -2/3 x (-1/2)
that would then be
-4/3x + 1/3 <1/5x-1
now multiply both side of the inequality by 15 since it’s the great common divisor so it would come out to be
-20x+5<3x-15
Then move the like terms next to each other
-20x -3x<-15-5
And collect them
-23x<-20
Then divide Both sides by -23 and the answer should be
X>20/23
Hopefully I did it correctly but make sure to use the correct sign inequality sign
Nutka1998 [239]3 years ago
3 0
I hope I help, the answer should be -120 if I'm. Correct
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Which of the following trigonometric ratios are correct?
den301095 [7]

Hi there! In this problem, you should have the knowledge of three basic Trigonometric Ratio.

  • sinA = opposite/hypotenuse
  • cosA = adjacent/hypotenuse
  • tanA = opposite/adjacent

Now that we know three basic ratio. Let's check each choices!

  • sin50° = d/c

This choice is wrong because we focus on the 50° angle. When we focus on 50°, sin50° should be d/x and not d/c.

  • sin50° = c/x

This choice is also wrong because in ratio, it's cos50° that adjacent/hypotenuse.

  • tan50° = d/c

This choice is correct! As ratio states, tanA = opposite/adjacent.

  • tan50° = x/c

This choice is wrong. x/c is a reciprocal of cosine which is 1/cos. We call the reciprocal of cosine as secant or sec in short.

  • cos50° = x/d

This choice is wrong as x/d is a reciprocal of sine which is 1/sin. We call the reciprocal of sine as cosecant or cosec/csc in short.

  • cos50° = c/x

This choice is right by the ratio. Nothing really much to explain since we follow by ratio that is defined.

Answer

  • tan50° = d/c
  • cos50° = c/x

Questions can be asked through comment.

Furthermore, tan also has its reciprocal form itself which is called cotangent also known as cot in short.

Hope this helps, and Happy Learning! :)

8 0
3 years ago
X=8<br> find ∛x=??????????????????
marissa [1.9K]
The cube root of 8 is 2. 2*2*2=8
8 0
3 years ago
ANSWER IT CORRECTLY FOR BRAINLIEST Amelia built a scale model of a float, using the scale 48:7. The measurements of the actual f
Rashid [163]

Answer:

The third one :)                          

Step-by-step explanation:

6 0
2 years ago
A triangular bandana has an area of 74 square inches. The height of the triangle is 9 1 4 inches. Enter and solve an equation to
Lilit [14]
Hi there!

The formula for the area of a triangle is A = 1/2(b x h). Using the information provided, all we have to do is plug in what we know and solve!

WORK:
74 = 1/2(b x 9.14)
148 = b x 9.14
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Hope this helps!! :)
6 0
3 years ago
Help help help help help
SIZIF [17.4K]

Answer:

1) 2b + 6

2) 8w - 12

3) 2b + 6 + 6x + 20

4) 9w^2 + 27 + 8 - 27

5) Sorry.

Step-by-step explanation:

8 0
3 years ago
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