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statuscvo [17]
3 years ago
15

Pls help tyyyyyyyyyy

Mathematics
1 answer:
boyakko [2]3 years ago
7 0
You got this don't worry
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Write the equation of the line that is perpendicular to y=1/2x+3 and has a y-intercept of -4
ANTONII [103]

Answer:

y=-2x-4

Step-by-step explanation:

When an equation is perpendicular, then it is the equation's inverse. The inverse of 1/2 is -2

The y-intercept is b in y=mx+b. In this equation, b=-4

4 0
2 years ago
The equation y = 5x +7 models the number of Beanie Babies (y) that Mr. Crawford owns each month(x).
ddd [48]
After 42 months he will own 217 beanie babies

Take 217 and subtract 7 from it

217-7=210

Then you want to divide that number by 5

210/5=42

You can always fill in 42 for x and you will get 217 as your answer

5 x 42 =210 + 7= 217
3 0
3 years ago
Read 2 more answers
1. Water vapor given off by water, plants, and animals is called ?
Mazyrski [523]

Answer:

evaportation

Step-by-step explanation:

8 0
2 years ago
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Feiann,trxy and Mcfel received apples from their mother. They have agreed that they will share the apples into 3:4:5 parts respe
aev [14]

Using proportions, and considering that they received 36 apples, it is found that:

  • Feiaan receives 9 apples.
  • Trxy receives 12 apples.
  • Mcfel receives 15 apples.

<h3>Proportions:</h3>

They have agreed that they will share the apples into 3:4:5 parts respectively, hence:

  • Feiaan receives \frac{3}{3 + 4 + 5} = \frac{3}{12} = \frac{1}{4} of the total amount.
  • Trxy receives \frac{4}{3 + 4 + 5} = \frac{4}{12} = \frac{1}{3} of the total amount.
  • Mcfel receives \frac{5}{12} of the total amount.

Then:

\frac{1}{4}(36) = 9

\frac{1}{3}(36) = 12

\frac{5}{12}(36) = 5 \times 3 = 15

  • Feiaan receives 9 apples.
  • Trxy receives 12 apples.
  • Mcfel receives 15 apples.

To learn more about proportions, you can take a look at brainly.com/question/24372153

4 0
2 years ago
One club member is chosen at random from those who do not use the golf course. What is the probability that the member uses the
Lady bird [3.3K]

Answer:

e. 0.8

Step-by-step explanation:

Hello!

The country club membership includes the usage of an 18-holes golf court and 12 tennis courts. A survey of the members indicates that 75% of them use the golf course, 50% use the tennis courts and 5% of them use neither of the facilities.

P(G)= 0.75 This represents is the total of a club member that play golf

P(T)= 0.5 This represents the total of a club member that play tennis

P(N)= 0.05 This probability represents the probability of club members that do not play golf and do not play tennis.

Remember, the summary of all probabilities is always 1.

With this in mind I created a contingency table with the probabilities of all possible outcomes. (second attachment)

G= plays golf

T= plays tenis

N=neither

G^{c}= doesn't play golf

T^{c}= doesnt play tennis

P(N)= P(G^{c}∩T^{c})= 0.05

P(G^{c})= 1 - P(G)= 1 - 0.75= 0.25

P(T^{c})= 1 - P(T)= 1 - 0.5= 0.5

P(T^{c} ∩ G)= P(T^{c}) - P(N)= 0.5 - 0.05= 0.45

P(T ∩ G)= P(G) - P(T^{c} ∩ G)= 0.75 - 0.45= 0.3

P(T ∩ G^{c}) = P(G^{c}) - P(N)= 0.25 - 0.05= 0.2

Now you calculate the asked probability:

One club member is chosen at random from those that not use the golf court, What is the probability that the member uses the tennis court.

You need the probability that the member plays golf knowin he doesn't play golf, this is a conditional probability.

Symbolically:

P(T/G^{c})= \frac{P(TnG^c)}{P(G^c)}= \frac{0.2}{0.25} = 0.8

I hope it helps!

7 0
2 years ago
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