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3 years ago

Which number is a perfect square? 33 37 48 49

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

4 0

I hope this helps you

33=3.11

37=1.37

48=3.16

49=7.7 49=7^2

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What is the product of all constants $k$ such that the quadratic $x^2 + kx +15$ can be factored in the form $(x+a)(x+b)$, where

Setler79 [48]

Answer:

$k=-16,k=-8,k=8,k=16$

Step-by-step explanation:

We are given quadratic equations as

$x^2+kx+15$

and it can be factored as

$=(x+a)(x+b)$

now, we can multiply factor term

$(x+a)(x+b)=x^2+(a+b)x+ab$

now, we can compare

$x^2+(a+b)x+ab=x^2+kx+15$

so, we get

$k=a+b$

$ab=15$

we are given that

'a' and 'b' are integers

so, we can find all possible factors

$15=(-1\times -15),(1\times 15)$

$15=(-3\times -5),(3\times 5)$

so, we can find k

At $(-1\times -15)$ :

$k=a+b$

we can plug values

$k=-1-15$

$k=-16$

At $(1\times 15)$ :

$k=a+b$

we can plug values

$k=1+15$

$k=16$

At $(-3\times -5)$ :

$k=a+b$

we can plug values

$k=-3-5$

$k=-8$

At $(3\times 5)$ :

$k=a+b$

we can plug values

$k=3+5$

$k=8$

So, values of k are

$k=-16,k=-8,k=8,k=16$

6 0

3 years ago

The length of a rectangle is 3 inches more than twice its width, and its area is 65 square inches. What is the width?

tino4ka555 [31]

That makes no sense, what DO you get?

The correct answer is, A, or question 1, or 2w + 3.

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lol ;)

7 0

3 years ago

(WILL GET BRAINLESS IF YOU EXPLAIN)

Vaselesa [24]

Answer:

Quran Surah Fatir 35:5

Step-by-step explanation:

What this verse is trying to say is, don't let this life you are living right now mislead you and misguide you! For example, you see non-believer doing zina, drinking alchoal, or doing bad sins. These are some of the major distractions and the disbelievers who do these types of stuff will try to mislead you by making you do this also with them.

(I want to clarify it's better if you go to an Imam or somebody knowledgeable and ask them because they will help you explain this verse in a more understandable way. I tried but it's better to check an Imam!)

Hope this helped!

5 0

3 years ago

Which is the best estimate for 8,104 ÷ 37?

wel

I would go with answer choice C) 200 cause since u said round estimate its actually suppose to be 219 with a remainder of 1 but 200 is the closest to it.

4 0

3 years ago

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Oliver deposited $1,640.70 in a savings account that earns 2.6% simple interest. What will Oliver's account balance be in 8 mont

Evgesh-ka [11]

The answer would probably be the last one cuz it’s true and it has more then one thing

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3 years ago