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3 years ago

16x0 + 2x2 • y –1 Answer the (the x0 and x2 are powers).

1 answer:

5 0

If the 0 and 2 are powers it would be 16^0=1, 2^2=4
Now we have 1+4*y-1.
Im not sure if you want parenthesis to make it 1+4(y-1) or not.
Solving for the first one it would simplify to 4y.
With the parenthesis it would be 4y-3.
Thats it simplified, if it is equal to something you would solve for y.

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.Use the linear combination method to solve the system of equations. –3x + 8y = 16 3x + 4y = 8 What is the value of x?

guapka [62]

Answer:

The value of x is 0

Step-by-step explanation:

The given equations are

$-3x+8y=16...(1)$

$3x+4y=8...(2)$

We add the equattion (1) and equation (2) to obtain;

$0x+12y=24$

$\Rightarrow y=\frac{24}{12}$

$\Rightarrow y=2$

We put $y=2$ into equation (2) to obtain;

$3x+4(2)=8$

$\Rightarrow 3x+8=8$

$\Rightarrow 3x=8-8$

Simplify

$\Rightarrow 3x=0$

Divide through by 3.

$\Rightarrow x=0$

The solution to the system is

$(0,2)$

The x-value is 0

6 0

3 years ago

Read 2 more answers

Cristine's middle school has a total of 900 students and 45 teachers. The local high school has 110 teachers and a student-teach

frozen [14]

Write and solve an equation of ratios:

900 students 45 teachers
------------------ = -----------------
x 110 teachers

Cross multiplying, we get (900)(110) / 45, or

so x = # of students in the high school = 2200 (answer)

8 0

4 years ago

Read 2 more answers

I phone company offers to monthly plan plan a cost $21 plus an additional $0.17 each minute of calls play B $26 in additional 0.

sertanlavr [38]

Answer:

100 minutes

Step-by-step explanation:

Let x = # of minutes

Company A: y = 21 + .17x

Company B: y = 26 + .12x

Set the equations = to each other.

21 + .17x = 26 + .12x

.17x = 5 + .12x

.05x = 5

x = 100

7 0

3 years ago

30 points.. Please Help! I don't understand what to do with this question...a bit confused.

Romashka-Z-Leto [24]

Eh, here's my best try for a table:

Like tv don't like tv total
Like reading: 70 10 80
Don't like read. 20 30 50 
total 90 40 130

The percentage of students that like tv as well as reading is- 70 divided by 130 which gives you .538 which in percentage is 53.8%.

The probability of a student that does not prefer to watch tv as also does not like to spend their time reading is 30 over 40 which can be simplified or reduced to 3 over 4. [30/40 reduced to 3/4]

Hope this somehow helped you :)

5 0

3 years ago

Find the product of ( 2a2– 3b2) and ( a +b2- 3z)

Bond [772]

Answer:

$2a^3+2a^2b^2-6a^2z-3ab^2-3b^4+9b^2z$