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zloy xaker [14]
3 years ago
9

Please help!!!!!!!!!!!!!!!

Mathematics
1 answer:
Sedaia [141]3 years ago
6 0

Step-by-step explanation:

\triangle{ABC} is similar to \triangle{ADE} so we can write the ratio

\dfrac{x}{6+4} = \dfrac{2}{6}

Solving for x, we get

x = \left(\dfrac{2}{6}\right)(10) = \dfrac{10}{3}

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Two​ trains, Train A and Train​ B, weigh a total of 198 tons. Train A is heavier than Train B. The difference of their weights i
slamgirl [31]

Answer:

A: 114, B: 84

Step-by-step explanation:

Let A be weight of Train A, B be weight of Train B. Since A is heavier than B by 30 tons, A = B + 30. Since A + B = 198, you can substitute for A to get (B+30) + B = 198. Then simplify so 2B = 168 and B = 84.

Then plug B into A = B+30 to get A = 114.

7 0
3 years ago
Hi does anyone know this it is important please help me due tonight i will do anything
Inessa [10]

Answer:

$20

Step-by-step explanation:

Total cost of items bought

= $31.21 +$12.75 +$13.25

= $57.21

Remaining cost after paying $40

= $57.21 -$40

= $17.21

Amount borrowed

= change +$17.21

= $2.79 +$17.21

= $20

4 0
2 years ago
Read 2 more answers
Solve for z.<br><br> 3 + 9z = –7 + 10z<br><br> z =
stiv31 [10]
The answer should be z = 10
6 0
3 years ago
Read 2 more answers
Solve for x: 12-2x=-2(y-x)
a_sh-v [17]
12 - 2x = -2(y - x)

12 - 2x = -2y - (-2x)

12 - 2x = -2y + 2x

12 - 2x - 2x = -2y + 2x - 2x

12 - 4x = -2y

12 - 12 - 4x = -2y - 12

-4x = -2y - 12

-4x/4 = -2y/4 - 12/4

-x = -0.5y - 3

-x/-1 = -0.5y/-1 - 3/-1

x = 0.5y + 3

or

x = 3 + 0.5y
3 0
3 years ago
Jake has a pocket full of dimes and quarters. The total value of his change is $2.05. Let D D represent the number of dimes, and
m_a_m_a [10]
Let A be the number of Dimes & B the number of Quarters, the linear equation is as follows:
A.D+B.Q=2.05
4 0
3 years ago
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