MATHEMATICS HIGH SCHOOL

Simplify: -m(7m + 3) – 4m2
A. 12m+4
B. -11m2-3m
C. -11m2+6m
D.5 m + 4 ​

Answers

Answer 1
Answer:

Answer:

- m(7m + 3) - 4 {m}^(2) \n - 7m^(2) - 3m - 4 {m}^(2) \n - 11 {m}^(2) - 3m

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Does the set of numbers 13, 21, and 24 form a Pythagorean triple? Explain. a. yes; 132 + 212 ≠ 242b. no; 132 + 212 = 242
c.no; 132 + 212 ≠ 242
d. yes; 132 + 212 = 242

Answers

For a Pythagorean triple:
a² + b² = c²
13² + 21² = 24²
169 + 441 = 576
610 ≠ 576
Answer:
C) No, 13² + 21² ≠ 24²

Answer:

No; no; 13^2 + 21^2 ≠ 24^2

Step-by-step explanation:

The sum of the squares of the legs is greater than the square of the hypotenuse, therefore this set of numbers DOES NOT form a Pythagorean triple. The sum of the squares of the legs must be equal to the square of the hypotenuse.

F(x)=2x+3/4x+5
find f(-9)
​

Answers

\huge\textsf{Hey there!}

\mathsf{f(x) = (2x + 3)/(4x + 5)}

\mathsf{y = ( 2x + 3)/(4x + 5)}

\mathsf{y = (2(-9) + 3)/(4(-9) + 5)}

\mathsf{2(-9)}

\mathsf{\bf = -18}

\mathsf{y = \frac{-18 + 3} {4(-9) + 5}}

\mathsf{-18 + 3}\n\mathsf{= \bf -15}

\mathsf{y = \frac{ -15} {4(-9) + 5}}

\mathsf{4(-9)}\n\mathsf{\bf = -36}

\mathsf{y = (-15)/(-36 + 5)}

\mathsf{-36 + 5}\n\mathsf{= \bf-31}

\mathsf{y = (-15)/( -31)\rightarrow\boxed{\bf (15)/(31)}}

\boxed{\boxed{\huge\text{Answer: } \boxed{\bf f(-9) = (15)/(31)}}}\huge\checkmark

\huge\text{Good luck on your assignment \& enjoy your day!}

~\frak{Amphitrite1040:)}

\implies {\blue {\boxed {\boxed {\purple {\sf { f(-9)= 0.48}}}}}}

\large\mathfrak{{\pmb{\underline{\orange{Step-by-step\:explanation}}{\orange{:}}}}}

f(x) = (2x + 3)/(4x + 5) \n

For f(-9), put "-9" for every value of "x".

↬f( - 9) = (2( - 9) + 3)/(4( - 9) + 5)\n

↬ f(-9) = ( - 18 + 3)/( - 36 + 5) \n

↬ f(-9) = ( - 15)/( - 31)\n

↬ f(-9)= (15)/(31)\n

↬f(-9)= 0.48\n

\bold{ \green{ \star{ \red{Mystique35}}}}⋆

39 out of 40 as a percent

Answers

It would be: 39/40 * 100 = 3900/40 = 97.5%

Question 1(04.03 LC)
Which of the following options is an equivalent function to f(x) = 2(5)2X? (2 points)
a. f(x) = 50x
b. f(x) = 100x
c. f(x) = 2(25)
d. f(x) = 4(25)

Answers

Answer:

C is the correct answer

Answer:

the correct answer will be

c. f(x) = 2(25)^x

Step-by-step explanation:

Which of the following expressions would give the number of ways to choose a group of 7 from a group of 15?

Answers

The formula is ¹⁵C₇. Then the number of ways to choose a group of 7 from a group of 15 will be 6435.

What are permutation and combination?

A permutation is an act of putting things or elements in the right sequence. Combinations are a method of picking things or pieces from a collection of objects or sets when the sequence of the objects is irrelevant.

Then the number of ways to choose a group of 7 from a group of 15 will be given by the combination formula.

Then we have

Number of ways = ¹⁵C₇

Number of ways = 6435

More about the permutation and the combination link is given below.

brainly.com/question/11732255

#SPJ2
You didn't supply any expressions, but it'd be one of these (assuming it's unique combinations, rather than the duplicate permitting permutations):
(15!)/(7!(15-7)!)
or
(15!)/(7!8!)
or
(15•14•13•12•11•10•9)/(7!)
or
(15•14•13•12•11•10•9)/(7•6•5•4•3•2)
or
32432400/5040
or
6435

depending on what it has as possible answers.

2loga(3)+loga(5)=loga(x)

Answers

2log_a(3)+log_a(5)=log_a(x)\ \ \ \ a>0\ \ and\ \ a \neq 1\ \ \ \ \ \ \ D=(0;+\infty) \n\nlog_a(3^2)+log_a(5)=log_a(x)\n\nlog_a(9\cdot5)=log_ax\ \ \ \Leftrightarrow\ \ \ x=45\ \ \in\ D\n\nAns.\ x=45
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