3 years ago

Please solve this problem... I will mark you brainliest

Mathematics

1 answer:

Flura [38]3 years ago

7 0

Answer:

y)(x 2) salamat po sana maka tulong

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Jan has $130. If she saves $25 per week, in how many weeks will she have $600?

serious [3.7K]

Let's represent the number of weeks with the variable 'w':

130 + 25w = 600

We subtract both sides by 130:

25w = 470

w = 18.8

We round up:

It will take her 19 weeks.

4 0

3 years ago

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Find all of the points of the form (x, −x) which are 7 units from the origin.

Morgarella [4.7K]

Answer:

(-7, 0) and (7, 0)

Step-by-step explanation:

<u>All the points that are 7 units from the origin are on the circle:</u>

x² + y² = 7²

<u>The maximum and minimum values of x obtained when y = 0:</u>

x² = 7²
√x² = √7²
x = ± 7

min x = -7 and
max x = 7

<u>The points are:</u>

(-7, 0) and (7, 0)

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3 years ago

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Please i really need help on this.

Studentka2010 [4]

Answer:

it is C

Step-by-step explanation: please brainliest

6 0

3 years ago

It takes Maya 30 minutes to solve 5 logic puzzles, and it takes amy 28 minutes to solve 4 logic puzzles. use models, to show the

nalin [4]

Answer:

maya - 6 min per puzzle

amy - 7 min per puzzle

maya would finish first since her unit rate is smaller. for example, it takes maya 30 for 5 but it would take 35 for 5.

Step-by-step explanation:

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3 years ago

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Find the axis of symmetry of 2x^2 + 12x + 16 Show your work

raketka [301]

The vertex form:

$y=a(x-h)^2+k\\\\(h,\ k)-vertex$

The axis of symetry is x = h.

$y=ax^2+bx+c\to h=\dfrac{-b}{2a}$

We have

$y=2x^2+12x+16\to a=2,\ b=12,\ c=16$

Substitute:

$h=\dfrac{-12}{(2)(2)}=\dfrac{-12}{4}=-3$

<h3>Answer: x = -3</h3>

6 0

3 years ago