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2 years ago

Tell whether the triangle with the given side lengths is a right triangle. Y/N question

Mathematics

1 answer:

melomori [17]2 years ago

8 0

Answer:

Yes it is a right triangle.

Step-by-step explanation:

Because the Pythagorean Theorem states that $a^{2} +b^{2} =c^{2}$

$85^{2}=7225\\84^{2}=7056\\13^{2}=169\\7056+169=7225$

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What do you get when you subtract 9 from b?

In-s [12.5K]

Answer:

4

step by step:

b-9=4

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3 years ago

True or false every real number is a complex number?

HACTEHA [7]

Answer:

$true$

$\huge\underline\pink{Hope\:that\:helps}$

mark the person below as brainliest !!

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3 years ago

Read 2 more answers

Please help 7/9 x 7/9 x 7/9 x 7/9 x 7/9 x 7/9 x 7/9 x 7/9 =

mixas84 [53]

Answer:

1.626 and then theres a lot more numbers

Step-by-step explanation:

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3 years ago

use the intermediate value theorem to determine whether the following equation has a solution or not x^3-3x-1

xxTIMURxx [149]

Answer:

Yes, this equation has a solution. According to Intermediate Value Theorem at least one solution for [0,2]

Step-by-step explanation:

Hi there!

1) Remember a definition.

Intermediate Value Theorem:

If $f$ is continuous on a given closed interval [a,b], and f(a)≠f(b) and f(a)<k<f(b) then there has to be at least one number 'c' between 'a' and 'b', such that f(c)=k

----

(Check the first graph as an example)

2) The Intermediate Value Theorem can be applied to determine whether there is a solution on a given interval.

Let's choose the interval $[0,2]$

$f(x)=x^{3}-3x-1\\f(0)=(0)^{3}-3(0)-1\\f(0)=-1\\f(0)$

Proceed to the other point: 2

$f(x)=x^{3}-3x-1\\f(2)=(2)^{3}-3(2)-1\\f(2)=1\\f(2)>0\\$

3) Check the 2nd Graph for a the Visual answer, of it. And the 3rd graph for all solutions of this equation.

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3 years ago

emma spent 42 hours on math and language arts homework last month. She spent about 29% of this total time on math estimate about

Vanyuwa [196]

Answer:

Around 14 hours

Step-by-step explanation:

You calculate the percentage out of the total:

$\frac{29}{100}$ X 42 = 14.21

8 0

3 years ago