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Ilia_Sergeevich [38]
4 years ago
5

CAN SOMEONE SOLVE THIS FOR ME PLEASEE..GIVE BRAINLEST AND POINTS..NEED EXPLANATION​

Mathematics
1 answer:
Feliz [49]4 years ago
8 0

Answer:

a= 14

Step-by-step explanation:

Please see attached picture for full solution.

Use sine because you are trying to find hypotenuse side given the opposite side.

recall: sin angle= opp/hyp

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Unit Test / 16 of 25
Rzqust [24]

Answer:

30

Step-by-step explanation:

For the minimum free throws, he must put every throw to the basket.

So, let n be the number of throws for Tuesday, in which all the throws are successful.

So, over both the days, total free throws he makes= 15+n.

Total numbers of throws that went in the basket= 6+n.

As he wants at least 80% of his balls to go in the basket.

So, 6+n is greater than or equal to 809% of 15+n, i.e

6+n\geq \frac{80}{100}\times (15+n)

\Rightarrow 30+5n\geq 60+4n

\Rightarrow n\geq 30.

Hence, the minimum number of free throws required on Tuesday to reach his goal is 30.

7 0
3 years ago
A randomly chosen subject arrives for a study of exercise and fitness and begins walking on a treadmill at a brisk pace. which o
Flauer [41]
A discrete variable is a type of variable which contains a finite number of values. It usually takes its values from the set of whole numbers.

From the random variable described, the random variable that is descrete is "You measure the maximum heart rate in beats per minute".

This is because, heart rate cannot be partitioned it only takes counting number values. You either have 1 beat per minutes, 2 or 3 and so on beats per minute. But you cannot have 2.5 or 3.8 and so on beats per minute.
So heart rate cannot take decimal or fractional values and hence, it is a discrete random variable.
4 0
3 years ago
PLS HELP ASAP:Find all the missing elements:
adelina 88 [10]

Answer:

b ≈ 9.5, c ≈ 14.7

Step-by-step explanation:

Using the Sine rule in Δ ABC, that is

\frac{a}{sinA} = \frac{b}{sinB} , substitute values

\frac{7}{sin23} = \frac{b}{sin32} ( cross- multiply )

b × sin23° = 7 × sin32° ( divide both sides by sin23° )

b = \frac{7sin32}{sin23} ≈ 9.5 ( to the nearest tenth )

Also

\frac{a}{sinA} = \frac{c}{sinC}

\frac{7}{sin23} = \frac{c}{sin125} ( cross- multiply )

c × sin23° = 7 × sin125° ( divide both sides by sin23° )

c = \frac{7sin125}{sin23} ≈ 14.7 ( to the nearest tenth )

3 0
3 years ago
Andre tried to solve the equation 1/4(x+12)=2 what was his mistake?
GarryVolchara [31]

Step-by-step explanation:

1. 1/4(x + 12)=2 - first isolate X'

         - 12 -12

2. 1/4(x) = -10  - 1/4  since its a fraction, you'll have to subtract not divide

-1/4    - 1/4

3. x = -10.25

Andre did the first step correctly, but on the second step he just divided 1.4 by -10, instead of subtract 1/4 from both sides.

8 0
3 years ago
Find the length of x and y
erastova [34]

Answer:

x = 10.296

y = 5.831

Step-by-step explanation:

You can use the Pythagorean theorem to solve the triangles shown in various ways.

9²+5²=x²

x = 10.296

5²+3²=y²

y = 5.831

5 0
3 years ago
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