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Sonja [21]
3 years ago
7

I am thinking of a number. if you divide my number by 3 and add -3 you get 4 what is my number

Mathematics
1 answer:
Butoxors [25]3 years ago
7 0
Your number is 21.
21 divided by 3 is 7. 7 plus -3 is 4.
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The equation of a linear function in point-slope form is y – y1 = m(x – x1). Harold correctly wrote the equation y = 3(x – 7) us
xz_007 [3.2K]

For this case we must find the point that Harold used to arrive at the following equation:

y = 3 (x-7)

Starting from the fact that the equation of the point-slope form of a line is given by:

(y-y_ {1}) = m (x-x_ {1})

If we compare the standard equation with Harold's, we see that the slope of the line is m = 3.

In addition, it is observed that x_ {1} = 7and y_ {1} = 0.

Then, the correct option is: Harold used the point (7,0)

ANswer:

When Harold wrote his equation, the point was used (7,0).

8 0
3 years ago
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Jerome found another feather that made the difference between the longest and shortest feather 1 3/4 inches what could be the le
Alchen [17]

Answer:

By assuming that shortest feather has a length of 1/4 inches, the length of the longest feather is 2 inches.

Step-by-step explanation:

A mathematical translation of the statement of the problem is:

x - y = \frac{7}{4}

Where x, y represent the lengths of the longest and shortest feathers, respectively. Let assume that length of the shortest feather is 1/4 inches. Then, the length of the longest feather is:

x = y + \frac{7}{4}

x = 2

By assuming that shortest feather has a length of 1/4 inches, the length of the longest feather is 2 inches.

8 0
4 years ago
A pet store has 8 ​puppies, including 3 ​poodles, 2 ​terriers, and 3 retrievers. If Rebecka selects one puppy at​ random, the pe
Debora [2.8K]

Answer:

9 / 64

Step-by-step explanation:

- In this task you have 2 events and you are looking for a joint probability. The first event is "Rebecca chooses a poodle". The probability of this event is:

                    P ( Rebecca chooses a poodle ) = 3 / 8

- because among 8 dogs there are 3 poodles.

- The second event is "Aaron selects a poodle".

This event has a probability of  that is equivalent to previous selection:

                   P ( Aaron chooses a poodle ) = 3 / 8

- Because after Rebecca's choice the chosen poodle is replaced with the poodle; hence, there are 8 pets in total and among them there are 3 poodles.

- To calculate probability of both events ("Rebeca selects a poodle and Aaron selects a poodle") with replacement you have to multiply both calculated probabilities - condition of independent events :

     P ( Aaron and Rebecca both select poodle ) = 3 / 8 * 3 / 8

                                                                                = 9 / 64

6 0
3 years ago
What is the expression of g(x) when we perform the following sequence of transformations onto the parent function fx=x2:
astraxan [27]

The expression of function g(x) is (\frac x2 - 1)^2

<h3>How to determine the expression?</h3>

The function is given as:

f(x) = x^2

When the function is shifted right by 1 unit, the rule is:

f'(x) = f(x - 1)

So, we have:

f(x) = (x - 1)^2

When the function is compressed horizontally by a factor of 2, the rule is:

f'(x) = f(x/2)

So, we have:

g(x) = (\frac x2 - 1)^2

Hence, the expression of function g(x) is (\frac x2 - 1)^2

Read more about function transformation at:

brainly.com/question/13810353

#SPJ1

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2 years ago
Given the information depicted in the diagram below, find the measure of ∠S. Describe how you arrived at your answer. Be sure to
Sonbull [250]

Answer:

Answer 44

Step-by-step explanation:

I'll do some of it. You can supply some of the vocabulary.

<Q = 56 degrees                         The triangle is isosceles.

<PRQ = 180 - 56 - 56                    All triangles have 180 degrees.

<PRQ = 68                                     Do the subtraction

<PRQ = <SRT                                 Why is this so? You have the term.

<TRS = 68 degrees                        The reason is the same as the last part.

<T = <RST                                         The triangle is isosceles (2 equal angles)  

<T = 68                                             Two equal angles = the same degrees    

S = 180 - <T - < RST                         S is the left over from the 2 equal angles.

S = 180 - 68 + 68                             Substitute.

S = 44    

4 0
3 years ago
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