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KATRIN_1 [288]
3 years ago
13

Will give BRAINLIEST!!!!

Mathematics
2 answers:
iren [92.7K]3 years ago
8 0

Answer:

lol your right

Step-by-step explanation:

True [87]3 years ago
6 0

Answer:

your day going so far so good 1

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How much would $300 invested at 7% interest compounded continuously be worth after 4 years
marissa [1.9K]
The formula of compound continuously is
A=p e^rt
A future value?
P present value 300
R interest rate 0.07
T 4 years
E constant
A=300×e^(0.07×4)
A=396.94 round your answer to get
A=397
8 0
3 years ago
If n represents a number, then write an expression for three times the difference of the number and six increased by four times
Elenna [48]

3(n-6)+4n

8 0
3 years ago
Read 2 more answers
Find the two straight lines represented by x² + 5xy - 6y² = 0​
Andreyy89

By factorizing, we have

x^2 + 5xy - 6y^2 = (x - y) (x + 6y) = 0

so that

x - y = 0 \implies \boxed{y = x}

or

x + 6y = 0 \implies \boxed{y = -\dfrac x6}

3 0
2 years ago
Factoring completely
Marianna [84]
This is called a difference of squares which always factors according to the rule for factoring the difference of squares....

(a^2+b^2)=(a+b)(a-b)  in this case:

9w^2-16 so

(3w-4)(3w+4)
4 0
3 years ago
suppose someone tells you that she has a triangle with sides having lengths 2.6,8.1 and 8.6. Is this a right triangle? why or wh
sveta [45]
If you're only provided with the lengths of a triangle, and you're asked to determine whether or not the triangle is right or not, you'll need to rely on the Pythagorean Theorem to help you out. In case you're rusty on it, the Pythagorean Theorem defines a relationship between the <em>legs</em> of a right triangle and its <em>hypotenuse</em>, the side opposite its right angle. That relationship is a² + b² = c², where a and b are the legs of the triangle, and c is its hypotenuse. To see if our triangle fits that requirement, we'll have to substitute its lengths into the equation.

How do we determine which length is the hypotenuse, though? Knowledge that the hypotenuse is always the longest length of a right triangle helps here, as we can clearly observe that 8.6 is the longest we've been given for this problem. The order we pick the legs in doesn't matter, since addition is commutative, and we'll get the same result regardless of the order we're adding a and b.

So, substituting our values in, we have:

(2.6)² + (8.1)² = (8.6)²

Performing the necessary calculations, we have:

6.76 + 65.61 = 73.96
72.37 ≠ 73.96

Failing this, we know that our triangle cannot be right, but we <em>do </em>know that 72.37 < 73.96, which tells us something about what kind of triangle it is. Imagine taking a regular right triangle and stretching its hypotenuse, keeping the legs a and b the same length. This has the fact of <em>increasing the angle between a and b</em>. Since the angle was already 90°, and it's only increased since then, we know that the triangle has to be <em>obtuse</em>, which is to say: yes, there's an angle in it larger than 90°.
3 0
3 years ago
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