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2 years ago

Help algebra 2 please

Mathematics

2 answers:

tatuchka [14]2 years ago

5 0

yung may dalawang one true answer promise

Novay_Z [31]2 years ago

4 0

Answer:

Step-by-step explanation:

g(x) = -x² - x - 1 = -1(x² +x + 1)

$(\dfrac{f}{g})(x) =\dfrac{x^{2}+x+1}{(-1)(x^{2}+x+1}\\\\=\dfrac{1}{-1} = -1$

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Triangle IJK is dilated by a scale factor of to form triangle I'J'K'. Side J'K' measures

9966 [12]

Answer:

Step-by-step explanation:

JK * 3/4 = J'K'
JK * 3/4 = 13.5
JK = 13.5 : 3/4
JK = 13.5*4/3
JK = 18

5 0

2 years ago

Last night, 80 people attended a lecture at the Smithville Public library. 47 of the attendees were men. What ratio BEST represe

Ganezh [65]

Number of people: 80

Number of Men: 47
Number of Women: 33

Ratio that best represents the number of men and the number of women:
47 : 33

6 0

3 years ago

Read 2 more answers

Perform the indicated operation. 10 3/7 + 19 5/9

DanielleElmas [232]

Given expression is

$10 \frac{3}{7} + 19 \frac{5}{9}$

Now convert mixed fraction as improper fraction as

$10 \frac{3}{7} + 19 \frac{5}{9} = \frac{10*7 + 3}{7} + \frac{19*9+5}{9}$
                                                         $= \frac{73}{7} + \frac{176}{9}$
                                                          $= \frac{73*9 + 176 * 7}{63}$
                                                         $= \frac{657 + 1232}{63} = \frac{1889}{63}$
Now we can convert $\frac{1889}{63 } = 29 \frac{62}{63}$

So the answer is $29 \frac{62}63}$

4 0

3 years ago

Read 2 more answers

Find (r-s) (t-s) + (s-r) (s-t) for all numbers r, s, and t. (a) 0 (b) 2 (c) 2rt (d) 2(s-r) (t-s) (e) 2(r-s) (t-s)

lyudmila [28]

Notice that the 2 expressions have 2 common terms.

(r-s) is just (s-r) times (-1)

similarly

(t-s) is just (s-t) times (-1)

this means that :

(r-s) (t-s) + (s-r) (s-t)=-(s-r)[-(s-t)]+(s-r) (s-t)

the 2 minuses in the first multiplication cancel each other so we have:

-(s-r)[-(s-t)]+(s-r) (s-t)=(s-r) (s-t)+(s-r) (s-t)=2(s-r) (s-t)

Answer:

d)<span>2(s-r) (t-s) </span>

3 0

3 years ago

Read 2 more answers

Solving a system of linear equations using the substitution method. <br> 5x+4y=-26<br> 5-x=-6y

yan [13]

Solve for x in 2nd equation
times -1 both sides
x-5=6y
add 5
x=6y+5

sub

5(6y+5)+4y=-26
30y+25+4y=-26
34y+25=-26
minus 25 both sides
34y=-51
divide both sides by 34
y=-3/2
sub back

x=6y+5
x=6(-3/2)+5
x=-18/2+5
x=-9+5
x=-4

(-4,-3/2) is solution

5 0

3 years ago

Read 2 more answers