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ella [17]
3 years ago
14

I WILL GIVE BRAINLEST PLEASE HELP

Mathematics
1 answer:
guapka [62]3 years ago
7 0

Answer:

A

Step-by-step explanation:

In this question, we are concerned with selecting which of the options best represents the difference of two squares.

Let’s have an exposition below as follows;

Consider two numbers, which are perfect squares and can be expressed as a square of their square roots;

a^2 and b^2

where a and b represents the square roots of the numbers respectively.

Inserting a difference between the two, we have;

a^2 - b^2

Now by applying the difference of two squares, these numbers will become;

a^2 - b^2 = (a + b)(a-b)

So our answer out of the options will be that option that could be expressed as above.

The correct answer to this is option A

Kindly note that;

x^2 -9 can be expressed as x^2 - 3^2 and consequently, this can be written as;

(x-3)(x + 3)

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Please help for brainliest
evablogger [386]
I think u have to multiply both side by 1x to get rid of the x so the answer is the first one, 1
5 0
3 years ago
Denver gets 5/19 of the dog food.
natka813 [3]

Answer:

Fido have \frac{42}{95} of the dog food (44.211 %), Engle have \frac{28}{95} of the dog food (29.474 %) and Denver have \frac{5}{19} of the dog food (26.316 %).

Step-by-step explanation:

If Denver gets \frac{5}{19} of the dog food, then Engle and Fido share \frac{14}{19} of the dog food. If Fido have x of the dog food, then Engle have \frac{4}{3}\cdot x such that:

x + \frac{4}{3}\cdot x = \frac{14}{19}

\frac{5}{3}\cdot x = \frac{14}{19}

x = \frac{42}{95}

Fido have \frac{42}{95} of the dog food (44.211 %), Engle have \frac{28}{95} of the dog food (29.474 %) and Denver have \frac{5}{19} of the dog food (26.316 %).

4 0
3 years ago
24 + (-9) - 44 + 33 - 17<br> word problem form
pashok25 [27]
Twenty four plus (negative nine) minus forty-four plus thirty three minus seventeen.
7 0
2 years ago
Match the event with the most appropriate probability word: The roll of a normal fair dice will show a 7.
Marianna [84]

Answer:

Option 3

Evens

. . . . . .. . ..

8 0
3 years ago
A baseball is hit with a bat and, as a result, its direction is completely reversed and its speed is doubled. If the actual cont
alexandr402 [8]

Answer:

6.7 /s.

Step-by-step explanation:

Initial velocity = u m/s

From the question, final velocity, v = - 2u m/s

Note - (the minus sign indicates that the direction was reversed and doubled)

t = 0.45

From equation of motion,

v = u + at

Acceleration, a = (v - u)/t

= (-2u - u)/0.45

= - 3u/0.45

Acceleration, a/Original speed, u = 3/0.45

= 6.7 /s

6 0
3 years ago
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