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hram777 [196]
3 years ago
6

Determine the solution to the equation for x

Mathematics
2 answers:
Finger [1]3 years ago
7 0

Answer:

9/5

Step-by-step explanation:

because I know I pass the test

riadik2000 [5.3K]3 years ago
6 0

Answer:

The answer x= –7

Step-by-step explanation:

I am explain you in image

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Solve the equation 6x + 3y = 15 for y. What does y equal if x = 2? If x = 5?
horsena [70]
6(2)+3y=15
12+3y=15
-12        -12
3y=3
3y/3  3/3
y=1

6(5)+3y=15
30+3y=15
-30        -30
3y=-15
3y/3   -15/3
y= -5
4 0
2 years ago
Read 2 more answers
5x-3y=-11<br> x-2y=2<br> this is for home work please help
ale4655 [162]
5x - 3y = 11 ⇒ 5x - 3y = 11  ⇒   5x - 3y = 11
  x - 2y = 2   ⇒ -5(x - 3y) = 2 ⇒ <u>-5x + 15y = 2</u>
                                                           <u>12y</u> = <u>13</u>
                                                            12     12
                                                             y = 1 1/12
                                                 5x - 3(1 1/12) = 11
                                                 5x - 3 1/4 = 11
                                                <u>      +3 1/4    +3 1/4</u>
                                                            <u> 5x</u> = <u>14 1/4</u>
                                                              5          5
                                                               x = 2 17/20
                                                 (x, y) = (2 17/20, 1 1/12)
8 0
3 years ago
Triangle A C B is cut by line segment E D. Line segment E D goes from side B C to side A C. The length of B A is 4 x minus 6 and
bezimeni [28]

From the markings on the diagram, we can tell E is the midpoint of BC and <u>D</u> is the midpoint of AC. We can apply the <u>triangle midsegment theorem</u>: ED = ½BA. Substituting in the expressions for the lengths and solving for x, we get x = <u>5</u>. Now, since BE = x, then BC = <u>10</u>.

<h3>What is triangle midpoint theorem?</h3>

Triangle midpoint theorem states that the line segment which joins the midpoints of two (2) sides of a triangle is parallel to the third side, and it's congruent to one-half of the third side.

By applying the triangle midpoint theorem, we can find the value of x:

ED = ½BA

x + 2 = ½(4x - 6)

2x + 4 = 4x - 6

4x - 2x = 6 + 4

2x = 10

x = 10/2

x = 5.

BC = x + x

BC = 5 + 5

BC = 10.

Read more on triangle midpoint theorem here: brainly.com/question/16047906

#SPJ1

6 0
1 year ago
What is the sum of -1/11 and -5/11<br> A. 4/11<br> B. 6/11<br> C. -4/11<br> D. -6/11
saw5 [17]
Itshould be 6/11 sorry if it’s wrongg
3 0
3 years ago
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Subtract 7a<br><br>2<br><br>-4ab+2b<br><br>2<br><br>from 3ab+7a2+2b2
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

3ab + 7a² + 2b² - (7a² - 4ab + 2b²) = 3ab + 7a² + 2b²  - 7a² + 4ab - 2b²

Now combine like term. Like terms have same variable with same power.

= <u>3ab + 4ab</u>  <u>+ 7a² - 7a²</u>  + <u>2b² - 2b²</u>

= 7ab

4 0
2 years ago
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