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3 years ago

Simplify completely 6x-12/10

Mathematics

2 answers:

abruzzese [7]3 years ago

8 0

For this case we must simplify the following expression:

$6x- \frac {12} {10}$

If we divide the numerator and denominator between "2", then we can rewrite the fraction as:

$\frac {12} {10} = \frac {6} {5}$

So, we have:

$6x- \frac {6} {5}$

Answer:

$6x- \frac {6} {5}$

dezoksy [38]3 years ago

4 0

Answer: =6x+ −6/5

Step-by-step explanation:

Let's simplify step-by-step.

6x−12/10 =?

= 6x + −6/5

* Hopefully this helps:) Mark me the brainliest:) For a better a understanding I included the picture of what I exactly mean incase you didn't understand the work that I showed you :)

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X ⋅ x = ? (1 point) jjjj

liraira [26]

Answer:

x-x = 0

x+x= 2x

x×x= x^2

have a nice day...

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2 years ago

-3x^{2}-21x-54 what are the zeros? (Solutions)

Irina-Kira [14]

The only way to solve if it is equal to something
assuming that the teacher wanted you to make it equal to zero do
0=-3x^2-21x-54

remember if we can do
xy=0 then assume x and y=0

so factor

0=-3x^2-21x-54
undistribute the -3
0=-3(x^2+7x+18)
remember 0 times anything=0 so
x^2+7x+18 must equal zero
use quadratice formula which is

if you have
ax^2+bx+c=0 then
x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$

x^2+7x+18
a=1
b=7
c=18

x= $\frac{-7+/- \sqrt{7^{2}-4(1)(18)} }{2(1)}$
x= $\frac{-7+/- \sqrt{49-72} }{2}$
x= $\frac{-7+/- \sqrt{-23} }{2}$
i=√-1
x= $\frac{-7+/- i\sqrt{23} }{2}$

the zerose would be
x= $\frac{-7+ i\sqrt{23} }{2}$ or $\frac{-7- i\sqrt{23} }{2}$

4 0

3 years ago

If you invest $4,500 in an account paying 2% compounded continuously, how much money will be in the account at the end of 4 year

saveliy_v [14]

Total = Principal * e^(rate*years)
Total = 4,500 * 2.718281828459^(.02*4)
Total = 4,500 * 2.718281828459^(.08)
Total = 4,500 * 1.0832870677 
Total = 4,874.79 
calculator for checking the answer:
http://www.1728.org/compint.htm

7 0

3 years ago

Angle psr measures 99° what is the measure of psq in degrees?

joja [24]

Assuming that point s is the vertex of the angle and that line sq is between angle psr. We can get the correct measurement of angle psq by subtracting 99 degrees with the measurement of the angle made by qsr. Hope this helps. Have a nice day.

4 0

3 years ago

Four teams A,B,C, and D compete in a tournament, and exactly one of them will win the tournament. Teams A and B have the same ch

beks73 [17]

Answer:

A= 0,2

B= 0,2

C= 0,4

D=0,2

Step-by-step explanation:

We know that only one team can win, so the sum of each probability of wining is one

P(A)+P(B)+P(C)+P(D)=1

then we Know that the probability of Team A and B are the same, so

P(A)=P(B)

And that the the probability that either team A or team C wins the tournament is 0.6, so P(A)+Pc)= 0,6, then P(C)= 0.6-P(A)

Also, we know that team C is twice as likely to win the tournament as team D, so P(C)= 2 P(D) so P(D) = P(C)/2= (0.6-P(A))/2

Now if we use the first formula:

P(A)+P(B)+P(C)+P(D)=1

P(A)+P(A)+0.6-P(A)+(0.6-P(A))/2=1

0,5 P(A)+0.9=1

0,5 P(A)= 0,1

P(A)= 0,2

P(B)= 0,2

P(C)=0,4

P(D)=0,2

4 0

3 years ago