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3 years ago

ASAP!!!! What is the answer?

Mathematics

1 answer:

MissTica3 years ago

6 0

Answer:

A, B, C

Step-by-step explanation:

Since the sum of the angles in a triangle is $180^{\circ}$ , you can set the equation $9x-7+7x-9+28-2x$ . Simplifying gets $14x=168$ . Dividing gets you $x = 12$ . This is only x so you have to substitute 12 for x in the angles in the beginning to get $\angle{A}=101^{\circ}$ , $\\\angle{B}=75^{\circ}$ , $\\\angle{C}=4^{\circ}$

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A bag contains x blue chips and y red chips. If the probability of selecting a red chip at random is 3/7, then x/y = ________.A.

LUCKY_DIMON [66]

Answer:

D. $\frac{4}{3}$

Step-by-step explanation:

We have been given that a bag contains x blue chips and y red chips. The probability of selecting a red chip at random is 3/7. We are asked to find the $\frac{x}{y}$ .

$\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}}$

$P(\text{Red})=\frac{\text{Number of red chips}}{\text{Total number of chips}}$

$P(\text{Red})=\frac{y}{x+y}$

Since we are told that probability of selecting a red chip at random is 3/7, so red balls are 3 and total balls are 7:

$P(\text{Red})=\frac{3}{x+3}$

Since total balls are 7, so we will get:

$x+3=7\\x=4$

Upon substituting $x=4\text{ and } y=3$ in expression $\frac{x}{y}$ , we will get:

$\frac{4}{3}$

Therefore, the value of $\frac{x}{y}$ is $\frac{4}{3}$ and option D is the correct choice.

7 0

3 years ago

How to find vertical asymptotes and horizontal asymptotes

Alina [70]

Answer:

Degree of numerator is less than degree of denominator: horizontal asymptote at y = 0. Degree of numerator is greater than degree of denominator by one: no horizontal asymptote; slant asymptote. Degree of numerator is equal to degree of denominator: horizontal asymptote at ratio of leading coefficients.

Step-by-step explanation: Correct me if i'm wrong lol.

7 0

3 years ago

A pan of lasagna cut into 100 servings is equally shared among a group of people. For Exercises

Volgvan

53). 100 servings / 20 people = (100/20) (svngs/ppl)

   = 5 servings per person.

   Each person gets 1/20 = 5% = 0.05 of the pan.

54). 100 servings / 40 people = (100/40) (svngs/ppl)

   = 2.5 servings per person.

   Each person gets 1/40 = 2.5% = 0.025 of the pan.

55). 100 servings / 30 people = (100/30) (svngs/ppl)

      = (3 and 1/3) servings per person.

   Each person gets 1/30 = (3 and 1/3) % = 0.0333... of the pan.

3 0

3 years ago

Find the square root of 3721 by least common multiple method

dezoksy [38]

Answer:

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

What is the x-intercept? Please help

lesya692 [45]

Answer:

x is left to right y is up and down !!

Step-by-step explanation:

x is left to right y is up and down !! x would be (0,-1) and (0,-3)

7 0

4 years ago