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DIA [1.3K]
3 years ago
13

Please help me!! ASAP it’s timed !! Thank you

Mathematics
1 answer:
atroni [7]3 years ago
8 0

Answer:

no, no, yes, yes

Step-by-step explanation:

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Solve for y.<br> -16y - 7y + -5 = 18<br> Y =
Anton [14]

Answer: y = - 1

Step-by-step explanation:

  1. Combine the like terms. -23y - 5 = 18
  2. Add 5 on both sides. -23y = 23
  3. Divide -23 on both sides. y = - 1
4 0
3 years ago
Read 2 more answers
Jane is 5 times older than her sister. In 3 years, Jane’s sister will be 1/4 her age. Find the ages now
Korolek [52]

The present age of Jane is 45 years old and present age of her sister is 9 years old

<em><u>Solution:</u></em>

Let the present age of Jane be "x"

Let the present age of her sister be "y"

<em><u>Jane is 5 times older than her sister</u></em>

present age of Jane = 5(present age of her sister)

x = 5y ---------- eqn 1

<em><u>In 3 years, Jane’s sister will be 1/4 her age</u></em>

Age of sister after 3 years = 3 + y

Age of jane after 3 years = 3 + x

Age of sister after 3 years = 1/4(age of jane after 3 years)

3 + y = \frac{1}{4}(3 + x)

Substitute eqn 1 in above equation

3 + y = \frac{1}{4}(3 + 5y)\\\\12 + 4y = 3 + 5y\\\\5y - 4y = 12 - 3\\\\y = 9

Substitute y = 9 in eqn 1

x = 5(9)

x = 45

Thus present age of Jane is 45 years old and present age of her sister is 9 years old

3 0
3 years ago
Consider the following statements:
Black_prince [1.1K]

Answer:

b. I and II are both false.

Step-by-step explanation:

I. For a significance level, the two tailed hypothesis is not always accurate than the one tailed hypothesis test. The hypothesis testing is carried to find out the correctness of a claim of a population parameter. The two tail hypothesis test which used both positive and negative tails of the distribution is not always more accurate than one tailed test.

II. The process of the point estimation involves the utilization of the values of a statistic which is obtained from the sample data to obtain the best estimate of a corresponding unknown parameter in the given population.

Hence, both the statements are false.

3 0
3 years ago
Find the LCm for each set of numbers 32 128
allsm [11]
The LCM is of 128 and 32 is 128 
7 0
3 years ago
Read 2 more answers
The scatter plot shows the relationship between the cost of animal feed and it’s weight.which option best describes the associat
rosijanka [135]

Answer:

The third alternative is correct; As the weight increases, the price increases

Step-by-step explanation:

The scatter plot shown reveals a positive linear association between the variables; weight and cost of animal feed.

As we move in the positive direction of the x- axis, we also move in the positive direction of the y-axis hence the association is positive

8 0
3 years ago
Read 2 more answers
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