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faust18 [17]
3 years ago
6

I really need some help on this question soo any answer would be helpful ∧_∧

Mathematics
1 answer:
lidiya [134]3 years ago
3 0
Ok this one is a little bit more tricky since there are more possible answers. But we can do it! So look at the y-intercept. It lands on 25. Now we do "Rise over Run". So we go up 4 and left 1. Since the line is going left, the slope is a negative. And the line is solid instead of dotted so it is , ≤. Your answer would be the first option. I hope this helps love! :)
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Solve by completing the square.
IRINA_888 [86]

Answer:

-23.18, -0.82

Step-by-step explanation:

  • h² + 24h + 19 = 0
  • h²+2h*12+12²-125=0
  • (h+12)²-√125²=0
  • (h+12+11.18)(h+12-11.18)=0
  • (h+23.18)(h+0.82)=0
  • h+23.18=0 ⇒ h= -23.18
  • h+0.82=0 ⇒ h= -0.82
7 0
3 years ago
Read 2 more answers
What percent is represented by the shaded area?
maks197457 [2]
43%

there is 100 squares 43 of them are shaded this would be 43/100 or as a percentage it would be 43
6 0
3 years ago
In a study, 43% of adults questioned reported that their health was excellent. A researcher wishes to study the health of people
marishachu [46]

Answer:

13.44% probabilith that at most 3 are in excellent health.

Step-by-step explanation:

For each adult, there are only two possible outcomes. Either they are in excellent health, or they are not. The probability of an adult being in excellent health is independent of other adults. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

43% of adults questioned reported that their health was excellent.

This means that p = 0.43

13 adults randomly selected

This means that n = 13

Find the probability that when 13 adults are randomly selected, at most 3 are in excellent health.

P(X \leq 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3)

In which:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{13,0}.(0.42)^{0}.(0.58)^{13} = 0.0008

P(X = 1) = C_{13,1}.(0.42)^{1}.(0.58)^{12} = 0.0079

P(X = 2) = C_{13,2}.(0.42)^{2}.(0.58)^{11} = 0.0344

P(X = 3) = C_{13,3}.(0.42)^{3}.(0.58)^{10} = 0.0913

P(X \leq 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) = 0.0008 + 0.0079 + 0.0344 + 0.0913 = 0.1344

13.44% probabilith that at most 3 are in excellent health.

6 0
3 years ago
Solve the triangle give the measure of angle G
zalisa [80]

Answer:

G = 46 degrees

Step-by-step explanation:

Here, we want to find the measure of angle G

Mathematically, as we can see, what we have is a right triangle

For a right triangle , the sum of angles is 90 degrees

Thus, if we add the two internal angles, we get 90 degrees

Hence;

44 + G = 90

G = 90-44

G = 46 degrees

4 0
3 years ago
Someone send an answer with steps on how to figure this out please!!
Aneli [31]

Answer:

To figure what?

It doesn't show anything?

4 0
3 years ago
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