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2 years ago

3m-6n + 2m +4n PLZZZZ HELPP

Mathematics

2 answers:

Harrizon [31]2 years ago

5 0

Answer:

−

Step-by-step explanation:

−

Elza [17]2 years ago

4 0

=122636m. Your welcome

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Please help with the questions provided in the pictures below

Effectus [21]

Answer:

the answer is gonna be d

Step-by-step explanation:

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9 months ago

Work out the diameter of a circle with area = 9 cm?

Nataly [62]

Answer:

1.69

Step-by-step explanation:

Area of a circle =pi x r^2

9/pi =2.864788... =radius squared

Square root of 2.864788= 1.692568...

=1.69

4 0

2 years ago

For the right Triangle below, Find the exact values of the side lengths c and a.

vladimir2022 [97]

$c=3\sqrt{3}\\a=4\sqrt{2}$

Step-by-step explanation:

The trigonometric ratios will be used used for finding the values of given variable

For c

We have to use a ratio that has perpendicular and base in it. so we will use tan x

$tan\ 60 = \frac{P}{B}\\tan\ 60=\frac{c}{3}\\\sqrt{3}=\frac{c}{3}\\3*\sqrt{3}=c\\c=3\sqrt{3}$

similarly for a

$sin\ 45 = \frac{b}{h}\\\frac{\sqrt{2}}{2}=\frac{a}{8}\\\frac{\sqrt{2}}{2}*8=a\\a=4\sqrt{2}$

Hence,

$c=3\sqrt{3}\\a=4\sqrt{2}$

Keywords: Triangles, Trigonometric Ratios

Learn more about triangle at:

#LearnwithBrainly

4 0

3 years ago

Can someone please help me

uranmaximum [27]

If we have y = f(x), then vertically stretching that by a factor of k gives y = k*f(x) as the new function. This means we simply stick a 3 in front of the 2^x to get our answer.

Answer: Choice C) g(x) = 3*2^x

7 0

3 years ago

8 professors and 11 students are available to serve on committee. (a) How many ways can a committee of four people be selected?

noname [10]

Answer: a) 3876 b) 18480

Step-by-step explanation:

Given , The number of professors = 8

The number of students are available = 11

Total persons = 8+11=19

a) The number of ways to select 4 people = $^{19}C_{4}$

$=\dfrac{19!}{4!(19-4)!}\ \ \ [\because\ ^nC_r=\dfrac{n!}{r!(n-r)!}]\\=\dfrac{19\times18\times17\times16\times15!}{24\times15!}\\=3876$

Hence, the number of ways to select 4 people = 3876.

b) Number of ways to choose 3 professors and 4 students = $^{8}C_{3}\times^{11}C_{4}$

$=\dfrac{8!}{3!(8-3)!}\times\dfrac{11!}{4!(11-4)!}\\\\=56\times330\\\\=18480$

Hence, the numbers of ways to form a committee with 3 professors and 4 students = 18480.

3 0

2 years ago

3m-6n + 2m +4n PLZZZZ HELPP​

3m-6n + 2m +4n PLZZZZ HELPP