All categories

3 years ago

What is the value of the variable? 3(x- 2)=15

Mathematics

1 answer:

STatiana [176]3 years ago

4 0

Answer:

x=7

Step-by-step explanation:

To solve for x, you have to multiply the terms in parenthesis by 3. Then you add 6 to each side of the equal sign. Then you divide each side of the equal sign by 3 to get x=7

$3x-6=15\\3x=15+6\\3x=21\\x=21/3\\x=7$

You might be interested in

Find the digit 6 in each of these numbers:

Daniel [21]

Answer:

D. The value of the 6 in 364 is 10 times the value of the 6 in 346

Step-by-step explanation:

The digit 6 in 364 is ten times greater than the 6 in 346.

60 is 10 times greater than 6

3 0

3 years ago

The endpoints of RS are R(–5, 12) and S(4, –6). What are the coordinates of point T, which divides RS into a 4:5 ratio?

Ksivusya [100]

Answer:

Option 2 is correct that is (-1,4)

Step-by-step explanation:

We will use the section formula to find the coordinates of T

Formula is $(x,y)=\frac{m_1x_2+m_2x_1}{m_1+m_2},\frac{m_1y_2+m_2y_1}{m_1+m_2}$

Here, $m_1=4,m_2=5,x_1=-5,y_1=12,x_2=4,y_2=-6$

On substituting the values in the formula we get

$(x,y)=\frac{4\cdot 4+5\cdot -5}{4+5},\frac{4\cdot -6+5\cdot 12}{4+5}$

$\Rightarrow (x,y)=\frac{4\cdot 4+5\cdot -5}{4+5},\frac{4\cdot -6+5\cdot 12}{4+5}$

$\Rightarrow (x,y)=\frac{16-25}{9},\frac{-24+60}{9}$

$\Rightarrow (x,y)=\frac{-9}{9},\frac{36}{9}$

$\Rightarrow (x,y)=(-1,4)$

Therefore, option 2 is correct that is (-1,4)

4 0

3 years ago

Read 2 more answers

What is the height of this triangular prism?

chubhunter [2.5K]

The height will be four, becaus 5 is the height of the base not the whole prism. You can tell be beacause when you find the area of the base and multiply it by the height you multiply it by 4 not 5.

5 0

3 years ago

A football team loses 4 yards on each 3 consecutive plays. Find the total change in yard from where the team started

BigorU [14]

Answer:

The Team started at 1st and 10 but finished at 4th and 22, so they lost 12 yards in 3 plays.

Step-by-step explanation:

6 0

3 years ago

What is the 9th term in the addition pattern with formula 7n – 3?

Olegator [25]

Replace n with 9 :
7 × 9 - 3 = 60
the answer is C.60

8 0

3 years ago