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lidiya [134]
3 years ago
7

Triangle JKL has vertices J (-7, 4), K (7.1),

Mathematics
1 answer:
harina [27]3 years ago
7 0

Answer:

J'(7,-4), K'(-7,-1), L'(-2,2)

Step-by-step explanation:

reflection over x-axis: (x,y) --> (x,-y)

reflection over y-axis: (x,y) --> (-x,-y)

Because the triangle is reflected x-axis and then y-axis,

all points would be (x,y) --> (-x,-y)

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. A recent report in a women magazine stated that the average age for women to marry in the United States is now 25 years of age
Setler [38]

Answer: 0.0136

Step-by-step explanation:

Given : Mean : \mu=25

Standard deviation : \sigma=3.2

Sample size : n=50

The formula to calculate the z-score :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For x = 24

z=\dfrac{24-25}{\dfrac{3.2}{\sqrt{50}}}=-2.21

The p-value = P(z\leq-2.21)= 0.0135526\approx0.0136

Hence, the probability that the sample mean age for 50 randomly selected women to marry is at most 24 years = 0.0136

3 0
3 years ago
3. A woman deposits Php 23,200 into her account. How much would
nikklg [1K]

Answer:

(assuming simple interest)

I'll setup the problem and you can do the computation

Step-by-step explanation:

The formula for simple interest:

I = P*r*t

P = deposits

r = interest rate per period (a year)

t = number of periods

P = Php 23,200

r = 0.06

t = 1

If you have questions, send me a comment 

3 0
3 years ago
a large drink costs 50 cents more than a small drink. write an expression for the total cost of 3 small drinks and 2 large drink
Shkiper50 [21]
Since a small drink is the cheapest, make the cost of a small drink=x. Since a large drink costs 50 cents more than a small drink, let a large drink=x+50. The total of the drinks is the sum of the individuals. Since the cost of a small drink is x, 3 drinks cost 3x. Since the cost of a large drink is x+50, the cost of 2 drinks is 2(x+50). The cost of all of the drinks together is 3x+2(x+50). Distribute the 2. 3x+2x+100. Combine like terms. 5x+100. This will give you your answer in cents. If you need an answer in dollars, you multiply that expression by 0.01.
5 0
3 years ago
Solve for X: 2/x+ 4/16
zhenek [66]

Answer:

x=8

Step-by-step explanation:

Cross multiply to solve

2/x=4/16

4*x=2*16

4x=32

Divide by 4 on both sides

x=8

So,

2/8=4/16

Hope this helps! :)

6 0
3 years ago
Read 2 more answers
Answer this for me please?????
lisabon 2012 [21]

Answer:

k = 54

Step-by-step explanation:

1. Multiply 6 time 9. This is the only step to get the answer.

6 × 9 = 54

k = 54

2. (Option step) To check your answer plug in 54 for k in the equation and divide it by 9. Your result should be 6.

54 ÷ 9 = 6

5 0
4 years ago
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