3 years ago

Which statements describe the function f(x)=2x+5/ 2(x^2-1) check all that apply

Mathematics

2 answers:

dsp733 years ago

7 0

Answer:

Step-by-step explanation:

It A,D,G

Elina [12.6K]3 years ago

6 0

Answer:

it is A & G

Step-by-step explanation:

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The sum of two numbers is 51. If one fourth of one number exceeds one fifth of another number by 6, which of the following is th

jeka57 [31]

<span>Let x=smaller number
Then x+5=larger number
Now we are told the following:
1/5(x+x+5)=x-5 multiply each side by 5
x+x+5=5x-25 subtract 5x and also 5 from both sides
x+x+5-5-5x=5x-5x-25-5 collect like terms
</span><span>-3x=-30 divide both sides by -3
x=10 smaller number
x+5=10+5=15 larger number
CK
1/5(10+15)=10-5
1/5(25)=10-5
5=5 </span>

3 0

3 years ago

Sarah cuts a piece of rope that is 4.5 feet long.

icang [17]

Answer:

4.5 feet = 1.5 yards

Step-by-step explanation:

1 yard equals 3 feet

Then:

1 ----- 3

x -----4.5

$x = 4.5/3 = 1.5 yards$