What’s 15x - 25 + 2 = 22 (with steps)

Mathematics

2 answers:

cupoosta [38]2 years ago

6 0

Answer: x= 3

Step-by-step explanation:

15x-25+2=22

15x-25=25

15x=50

x=3.333333

x=3

ad-work [718]2 years ago

3 0

Answer:

x = 3

Step-by-step explanation:

Combining the constants on the left side, we get 15x - 23 = 22.

Adding 23 to both sides isolates 15x: 15x = 22 + 23 = 45.

Finally, dividing both sides by 15 yields x = 3

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prove that the quadrilateral whose vertices are the points A(-1,1), B(-3,4), C(1,5) and D(3,2) is a parallelogram.

Vsevolod [243]

Answer:

Since $\overrightarrow{AB} = \overrightarrow{DC}$ and $\overrightarrow{AD} = \overrightarrow{BC}$ , then the quadrilateral ABCD is a parallelogram.

Step-by-step explanation:

First, we label each point of the quadrilateral with the help of a graphing tool. If the quadrilateral ABCD is a parallelogram, then $\overrightarrow{AB} = \overrightarrow{DC}$ and $\overrightarrow{AD} = \overrightarrow{BC}$ . If we know that $A(x,y) =(-1, 1)$ , $B(x,y) =(-3,4)$ , $C(x,y) = (1,5)$ and $D(x,y) = (3,2)$ , then the measure of each vector is, respectively: