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marin [14]
3 years ago
11

Big drop is twice as long as little drop how long is little drop?

Mathematics
1 answer:
Dmitrij [34]3 years ago
6 0
Twice as long as little drop...
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Solve for x: x^2 + 14x + 49
Kaylis [27]

Answer: -7twice

Step-by-step explanation:

This is a question on root of quadratic equation. The interpretation of the question

x² 14x + 49 is

x² + 14x + 49 = 0.meaning that we are to find two possible values for x that will make the expression equal 0.

We can use any of the methods earlier taught. For the purpose of this class, I am using factorization methods

x² + 14x + 49 = 0

Now, find the product of the first and the last terms, is

x² × 49 = 49ײ

Now find two terms such that their productbis 49x² and their sum equals 14x, the one in the middle.

We have several factors of 49x² but only one will give sum of 14x. Because of the time, I will only go straight to the required factors .

49x² = 7x × 7x and the sum gives 14x the middle terms..

Now we now replace the middle one by the factors and then factorize by grouping.

x² + 14x + 49 = 0

x² + 7x + 7x + 49 = 0

x(x + 7) + 7(x + 7) = 0

(x + 7)(x + 7). = 0

Now to find this value of x,

x + 7 = 0

x. = -7twice.

The root of the equation = -7twice.

3 0
3 years ago
What does historians need to determine the authenticity of a soure in order to?
jok3333 [9.3K]
Answer: have strong evidence and so people don't think that it is their own biased opinion. plus you can cite things if you have a good source
hope this helps:D

plz give me brainiest
6 0
3 years ago
How do i do this<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B50d%20%7B0%7D%5E%7B10%7D%20%20" id="TexFormula1" title=" \sqr
zysi [14]

\sqrt{50d^{10}} \\\sqrt{50} =5\sqrt{2}\\5\sqrt{2} *\sqrt{d^{10}}  \\5\sqrt{2}*d^{10/2} \\5\sqrt{2} d^{5}


That's about as much as you can simplify this problem.

I hope this helps! :)

7 0
3 years ago
There is a sales tax of $16 on an item the costs $232 before tax. The sales tax on a second item is $22. How much does the secon
Goryan [66]
The answer is $319.30
4 0
3 years ago
Help me with this!! Will mark Brainliest
Basile [38]

Answer:

JL is not congruent to KM

Step-by-step explanation:

The length of JL is 23-21 = 2.

The length of KM is 25-22 = 3

So, because the lengths are not equal,

JL is not congruent to KM

4 0
3 years ago
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