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SIZIF [17.4K]
2 years ago
10

ill give brainliest n a recent survey, 3 out of every 5 students said Math is their favorite class.If 200 students were surveyed

, how many students can be expected to choose math as their favorite class?Answer options with 4 optionsA.75B.80C.120D.125
Mathematics
2 answers:
anyanavicka [17]2 years ago
6 0

Answer: <em>D. 120 students</em>

Step-by-step explanation:

<em>This is an easy solution</em>

<em>Take 300 and divide it by 5</em>

<em>300/5</em>

<em>This will result in 40</em>

<em>Now Multiply 40 by 3</em>

<em>Like so: 40x3</em>

<em>This will result in </em><em>120</em>

Ivahew [28]2 years ago
6 0

Answer:

C) 120

Step-by-step explanation:

Ratio - 3:5

200 times 3/5 = 120

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Mr. Chavez needs 7 lbs of gummy bears to make gummy bears with chamoy
Svetradugi [14.3K]

Answer:

3 lbs

Step-by-step explanation:

7 lbs total

2 + 2 = 4 so we already have 4lbs

7 - 4 = 3

we need 3 more lbs

8 0
2 years ago
Help what is the measure of the angle x?
Schach [20]

Answer:

x = 20

Step-by-step explanation:

There is a right angle which is 90 degrees. Part of the angle is 30 degrees, so the other measure is 60 degrees, which is the 3x.

Make an equation.

3x = 60

Divide both sides by 3

3x/3 = 60/3

x = 20

7 0
2 years ago
Margaret is planning a wedding reception. She wants to spend less than her budget of $5,748, and Margaret has already spent $2,4
noname [10]

Answer:

She can invite 109 guests and be right on top of budget. If she wants to spend less than her budget though she can only invite 108 people.

Step-by-step explanation:

First you have to subtract 5,748 - 2,478 which is 3270. Next you have to divide 3270 by 30 because each person costs 30 dollars. 3270 divided by 30 is 109.

I hope this helps! Please mark me brainliest if I am correct! Have a nice day!

6 0
3 years ago
Please help. How do you find cosine, sine, cosecant and secant with this triangle? ​
Veseljchak [2.6K]

Hi there! You have to remember these 6 basic Trigonometric Ratios which are:

  • sine (sin) = opposite/hypotenuse
  • cosine (cos) = adjacent/hypotenuse
  • tangent (tan) = opposite/adjacent
  • cosecant (cosec/csc) = hypotenuse/opposite
  • secant (sec) = hypotenuse/adjacent
  • cotangent (cot) = adjacent/opposite
  • cosecant is the reciprocal of sine
  • secant is the reciprocal of cosine
  • cotangent is the reciprocal of tangent

Back to the question. Assuming that the question asks you to find the cosine, sine, cosecant and secant of angle theta.

What we have now are:

  • Trigonometric Ratio
  • Adjacent = 12
  • Opposite = 10

Looks like we are missing the hypotenuse. Do you remember the Pythagorean Theorem? Recall it!

  • a²+b² = c²

Define that c-term is the hypotenuse. a-term and b-term can be defined as adjacent or opposite

Since we know the value of adjacent and opposite, we can use the formula to find the hypotenuse.

  • 10²+12² = c²
  • 100+144 = c²
  • 244 = c²

Thus, the hypotenuse is:

\large \boxed{c = 2 \sqrt{61} }

Now that we know all lengths of the triangle, we can find the ratio. Recall Trigonometric Ratio above! Therefore, the answers are:

  • cosine (cosθ) = adjacent/hypotenuse = 12/(2√61) = 6/√61 = <u>(6√61) / 61</u>
  • sine (sinθ) = opposite/hypotenuse = 10/(2√61) = 5/√61 = <u>(5√61) / 61</u>
  • cosecant (cscθ) is reciprocal of sine (sinθ). Hence, cscθ = (2√61/10) = <u>√61/5</u>
  • secant (secθ) is reciprocal of cosine (cosθ). Hence, secθ = (2√61)/12 = <u>√</u><u>61</u><u>/</u><u>6</u>

Questions can be asked through comment.

Furthermore, we can use Trigonometric Identity to find the hypotenuse instead of Pythagorean Theorem.

Hope this helps, and Happy Learning! :)

5 0
3 years ago
If Duane adds 230 mL of milk to the 0.4 L of milk in the pitcher, how many mL of milk will be in the pitcher? How many L?
Helen [10]
 There is 430 mL , and 0.43 L

6 0
3 years ago
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