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PilotLPTM [1.2K]
3 years ago
9

Need help plz plz thx

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
5 0
The answer is D. To solve 3/5 ÷ 4/7 you would change it to 3/5 × 7/4.
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How do I solve this question?
Yuri [45]
It's 18/100. The reduced / simplest form is 9/50 because you divide it by 2 since it's the GCS.
4 0
3 years ago
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Use the circle to solve for the missing measures. Assume lines that appear tangent are tangent. Do NOT round any answers.
wlad13 [49]

The given circle having two external tangents, according to circle

theorem, have the following values;

  • r = 3
  • m∠1  = 82°
  • m∠2 = 49°
  • x = 82°

<h3>How can the radial  length and angles be found?</h3>

r² + 1.6² = (0.4 + r)²

(0.4 + r)² - (r² + 1.6²) = 0

0.8·r - 2.4 = 0

0.8·r = 2.4

r = 2.4 ÷ 0.8 = 3

  • <u>r = 3</u>

y = 49°

From the two tangent angle theorem, we have;

m∠1 = ((82 + 98 + 82) - (360 - ((82 + 98 + 82)))) ÷ 2 = 82

  • <u>m∠1  = 82°</u>

According to circle theorems, angle at the center is twice angle

subtended at the circumference.

m∠2 = (360 - (82 + 98 + 82)) ÷ 2 = 49°

  • <u>m∠2 = 49°</u>

The length of the chord subtended by the arc <em>x</em> is equal to the length of

the chord subtended by 89°, which gives;

  • <u>x = 82°</u>

Learn more about circle theorems applications here:

brainly.com/question/16879446

4 0
2 years ago
Help I do not know how do you do this ?
aliya0001 [1]
m\angle LKJ=360-m\angle KJM-m\angle JML-m\angle MLK\\&#10;m\angle LKJ=360-132-48-m\angle MLK\\&#10;m\angle LKJ=180-m\angle MLK\\\\&#10;m\angle MLK=180-m\angle KLN\\&#10;m\angle MLK=180-150\\&#10;m\angle MLK=30^{\circ}\\\\&#10;m\angle LKJ=180-30\\&#10;\boxed{m\angle LKJ=150^{\circ}}
6 0
3 years ago
Which solution set describes the solutions to the inequality below?
Nuetrik [128]
<h2>Hello!</h2>

The answer is:

The sixth option,

[-6,6]

<h2>Why?</h2>

To solve the problem, we need to find which of the given options match with the solution to the inequality. As we know, solving inequalities is almost the same that solving equalities, we need to isolate the variable and then, find where it satisfies the given condition (inequality)

So, solving the inequality we have:

-3x^{2} +1\leq -107\\-3x^{2}\leq -107-1\\-3x^{2} \leq -108\\3x^{2} \leq 108\\x^{2} \leq \frac{108}{3}\\\sqrt{x^{2} } \leq \sqrt{36}\\ x^{2\leq } +-36\\(x-6)(x+6)\leq 0

Therefore, we have that the solutions to the inequality are:

First solution:

x-6\leq 0\\x\leq 6

Second solution:

x+6\leq 0\\x\leq-6

Hence, the correct option is the sixth option, the solution is described by the following solution set :

[-6,6]

Have a nice day!

7 0
3 years ago
a video store membership costs $21 and members pay $2.50 for each video. if one one member paid $46 for their membership and the
siniylev [52]

Answer:

46 / 5 + 9.2 so 9 videos

Step-by-step explanation:

6 0
3 years ago
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