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Valentin [98]
3 years ago
5

Please need help asap!!

Mathematics
2 answers:
salantis [7]3 years ago
7 0

The measures of the interior angles in a quadrilateral add up to 360 degrees, so make angles A, B, and C add up to 360 in an equation. Solve for x, the missing angle.

34 + 108 + 65 + x = 360

Combine like terms.

207 + x = 360

Subtract 207 from both sides.

x = 153

C) 153 degrees is your answer.

ankoles [38]3 years ago
6 0

The answer is 153.

34+108+65=207

360-207=153

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Is it true that: If f"(c) &gt; 0, then the slope of
zheka24 [161]

Answer:

yes

Step-by-step explanation:

the FIRST derivative of a function tells us the slope of a tangent line to the curve at any point. if is positive, then the curve must be increasing. If is negative, then the curve must be decreasing.

the SECOND derivative gives us the slope of the slope function (in other words how fast the slope of the original function changes, and if it is accelerating up - positive - or if it is avengers down - negative).

so, the first derivative would be fully sufficient to get the answer of if the slope of the function at that point is positive or negative.

but because it is only a "if" condition and not a "if and only if" condition, the statement is still true.

there are enough cases, where the slope is positive, but the second derivative is not > 0 (usually = 0).

but if even the second derivative is positive, then, yes, the slope of the original function must be positive too.

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2 years ago
Help please thank you <br> answer choices are: negatively skewed, symmetric, positively skewed
garri49 [273]

Answer:

the answer is symmetric i think

5 0
3 years ago
PLEASE HELP<br>what is the value of x? enter your answer in the box​
Mashcka [7]

Answer: 3

For this question, we will use the angle bisector theorem.

Angle Bisector Theorem: In geometry, the angle bisector theorem is concerned with the relative lengths of the two segments that a triangle's side is divided into by a line that bisects the opposite angle. It equates their relative lengths to the relative lengths of the other two sides of the triangle.

Now let's place it according to a general formula.

x/2.25 = 4/3

x= 4/3 * 2.25

x= 3

There you go! now you know the answer and the way to do it! Brainliest pweasee if the answer is correct and helpful!

<h2>૮꒰ ˶• ༝ •˶꒱ა</h2><h2>./づᡕᠵ᠊ᡃ࡚ࠢ࠘ ⸝່ࠡࠣ᠊߯᠆ࠣ࠘ᡁࠣ࠘᠊᠊°.~♡︎ Sara Senpie</h2>
5 0
2 years ago
Please need help on these two cause I’m very lost on them
vesna_86 [32]

Answer:

see explanation

Step-by-step explanation:

Given

f(x) = (x - 4)(2x - 1)²(x - 2)²

To find the roots equate f(x) to zero, that is

(x - 4)(2x- 1)²(x - 2)² = 0

Equate each of the factors to zero and solve for x

x - 4 = 0 ⇒ x = 4

2x - 1 = 0 ⇒ x = \frac{1}{2}  ← with multiplicity 2

x - 2 = 0 ⇒ x = 2 ← with multiplicity 2

Hence the roots are

{ 4, \frac{1}{2}, 2 }

Given

f(x) = x³ + 4x² + 7x + 6

Note that

f(- 2) = (- 2)³ + 4(- 2)² + 7(- 2) + 6 = - 8 + 16 - 14 + 6 = 0

Since f(- 2) = 0 then by the factor theorem x = - 2 is a root and (x + 2) a factor

Using synthetic division

- 2 | 1   4    7    6

         - 2  - 4  - 6

--------------

     1    2    3    0

Thus

f(x) = (x + 2)(x² + 2x + 3)

Solve x² + 2x + 3 using the quadratic formula

with a = 1, b = 2 and c = 3

x = (- 2 ± \sqrt{2^2-(4(1)(3)} ) / 2

  = ( - 2 ± \sqrt{4-12} ) / 2

  = ( - 2 ± \sqrt{-8} ) / 2

  = (- 2 ± 2i\sqrt{2} ) / 2

  = - 1 ± i\sqrt{2}

Hence roots are

{ - 2, - 1 + i\sqrt{2}, - 1 - i\sqrt{2} }

     

6 0
3 years ago
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