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AVprozaik [17]
3 years ago
6

Write the expression A number y increased by four

Mathematics
1 answer:
Inessa [10]3 years ago
4 0
Y+4 or Ay+4 idk what u mean a=y+4
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You deposit $ 1200 in an account. The annual interest rate is 3%. How long will it take you to earn $108 in simple interest?
alukav5142 [94]
The correct answer is 3
5 0
3 years ago
Helpppp meeee fassttt pleaseeee
Yuki888 [10]

Answer:

 y = -1/3x + 3 2/3

Step-by-step explanation:

step 1. find the slope of the given line

y2-y1/x2-x1          2 - 4/ 3 + 3 = - 1 / 3

take the opposite of that and there is your slope

step 2. plug in the values to the following equation using the given point:

y - y1 = m ( x - x1 )          y - 4 = - 1/3 ( x + 1 )

step 3. solve for y

y-4 = -1/3(x+1)

-1/3(x) and -1/3(1)  ----> y-4 = -1/3x-1/3

y-4+4 = -1/3x-1/3+4  ---->  y = -1/3x + 3 2/3

<em>hope this helps. if you need more help lmk in the comments. i am in algebra two so you can trust me. Happy holidays</em>

3 0
2 years ago
In a 3M Privacy Filters poll, 806 adults were asked to identify their favorite seat when they fly, and 492 of them chose a windo
Snowcat [4.5K]

Answer:

Step-by-step explanation:

If majority of adults prefer a window seat when they fly, it means that more than half or more than 0.5 of the population prefer a window seat when they fly.

We would set up the hypothesis test.

For the null hypothesis,

p = 0.45

For the alternative hypothesis,

p > 0.5

Considering the population proportion, probability of success, p = 0.5

q = probability of failure = 1 - p

q = 1 - 0.5 = 0.5

Considering the sample,

Sample proportion, P = x/n

Where

x = number of success = 492

n = number of samples = 806

P = 492/806 = 0.61

We would determine the test statistic which is the z score

z = (P - p)/√pq/n

z = (0.61 - 0.5)/√(0.5 × 0.5)/806 = 6.24

From the normal distribution table, the p value < 0.00001

Since alpha, 0.01 < than the p value, then we would reject the null hypothesis. Therefore, at a 1% significance level, we can conclude that the majority of adults prefer a window seat when they fly.

8 0
2 years ago
HELP ME PLEASEEEE <br> HELPPPPPPPPPPPP
mario62 [17]

Answer:

  • y / cos x

Step-by-step explanation:

<u>Use trigonometry to help</u>

  • cos = adjacent side/hypotenuse
  • hypotenuse = adjacent side / cos

<u>Substitute values:</u>

  • Distance between the Sun and the Moon = y / cos x
7 0
2 years ago
What does X = In question 2
OverLord2011 [107]

Answer:

10

Step-by-step explanation:

10/5=2/1 or 2

4+2=6

6 0
2 years ago
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