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3 years ago

13

What is the value of x

1 answer:

Rina8888 [55]3 years ago

6 0

The value of X would be 70 because the two lines are supplementary.

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14. What is 12/3 as an improper fraction?

timama [110]

12/3 is already an improper fraction.

But, 12/3 is simplified into 4.

8 0

3 years ago

What is the solution of this system of linear equations? 3y = x + 6 y – x = 3

Fofino [41]

First isolate y by adding x to both sides in y-x=3 and getting y=x+3
Step 1: substitute x+3 for y in 3y=x+6 to get 3(x+3)=x+6
Step 2: distribute 3x+9=x+6
Step 3: subtract like terms 2x=-3
Step 4: divide x=-3/2

substitute -3/2 for x in y=x+3 to get
y=-3/2+3
y=3/2

answer: y=3/2 x=-3/2

5 0

2 years ago

Consider the following expression<br> 4b+2+7a<br> Select all of the true statements below.

Ulleksa [173]

Answer:

a , c and d

Step-by-step explanation:

a , c and d are correct

8 0

2 years ago

HELP HELP! I need help aswering the qustions listed below!?! plz!

Anuta_ua [19.1K]

1 B 28 is not divisible by 3

2. C 12 is divisible by 12

3. 5 is the greatest common factor

4. 23 is prime

5. 47 is prime

6 4 is the greatest common factor

7 0

3 years ago

Read 2 more answers

Choose two positive integers a and b, making sure that a<5 and b>80 . The width of a rectangular computer screen is a inch

qwelly [4]

Answer:

Dimensions of the screen are a minimum of 10 inches wide by 8 inches high. The difference between the height and width will be 2 inches

Step-by-step explanation:

$Height = H$

$Width = H + a$

$Area = Height x Width$

$b = H * (H + a)$

$b = H^{2} + aH$

$H^{2} + aH > 80$

$H^{2} + aH - 80 > 0$

a<5 means 'a' can be a = 1, 2, 3, 4

Solving for H for each option of 'a' will give values of 'H' using the quadratic formula below

$H = \frac{-b\±\sqrt{b^{2}-4ac}}{2a}$

As 'a' and 'b' must be positive integers, H and W must be positive integers as well,

$a = 1, H = 8.46, H = -9.46$

$a = 2, H = 8, H = -10$

$a = 3, H = 7.57, H = -10.57$

$a = 4, H = 7.17, H = -11.17$

Based on above possible answers:

$a=2, H=8$

$W = H + a$

$W = 8 + 2$

$W = 10$

Dimensions of the screen are a minimum of 10 inches wide by 8 inches high. The difference between the height and width will be 2 inches

5 0

3 years ago