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Fantom [35]
3 years ago
6

Does the given ordered pair, (-3,5/2) satisfies the given equation. 5x-2y=5 ?

Mathematics
1 answer:
anzhelika [568]3 years ago
5 0

Answer:

No, it does not.

You might be interested in
A highway between points A and B has been closed for repairs. An alternative route between there two locations is to travel betw
Kitty [74]

Answer:

The value of Y is 24 km and distance from A to C to B is AC+Y=18+24=42 km

Step-by-step explanation:

Given that A highway between points A and B has been closed for repairs. An alternative route between there two locations is to travel between A and C and then from C to B. we have to find the value of Y and the total distance from A to C to B. Let AB=Z

In ΔBCD and ΔABD

∠BCD=∠ABD       (∵each 90°)

∠D=∠D                 (∵common)

By AA similarity, ΔBCD~ΔABD

∴ their corresponding sides are proportional

\frac{Y}{Z}=\frac{X}{40}=\frac{40}{18+X}

Comparing last two terms, we get

\frac{X}{40}=\frac{40}{18+x}

⇒ X(18+X)=1600

⇒ 18X+X^2=1600

⇒ X^2+18X-1600=0

⇒ X^2-32X+50X-1600=0

⇒ (X-32)(X+50)=0

Hence, the roots are X=32, -50

X=-50 not possible as distance can never negative.

Hence, X=32 km

By applying Pythagoras theorem in ΔBCD we get

BD^2=BC^2+CD^2

40^2=Y^2+32^2

⇒ Y^2=1600-1024=576

⇒ Y=\sqrt576=24km

Hence, the value of Y is 24 km and the distance from A to C to B is AC+Y=18+24=42 km




5 0
3 years ago
Help please algebra 2
lbvjy [14]
Answer: c

Explanation: this is because the end behavior approaches negative infinity on the left side and positive infinity on the right side.
8 0
3 years ago
What's the answer? I need help asap
Bogdan [553]

The two triangles are congruent through AA (angle-angle proportionality theorem) therefore all the sides are congruent to each other.

In this case:

2y = 5y - 7

2y - 5y = -7

-3y = -7

y = -7/-3

y = 7/3

8 0
3 years ago
So like I need help on this,
saw5 [17]

Answer:

  • Trapezoid with the area 16.5 unit²

Step-by-step explanation:

Plotted the given points to find out the figure is trapezoid.

<u>Area formula for trapezoid:</u>

  • A = 1/2(b₁ + b₂)h

<u>The length of the bases:</u>

  • b₁ = DE = 3 - (-1) = 4
  • b₂ = FG = 4 - (-3) = 7

<u>h is the horizontal distance between the bases:</u>

  • h = 2 - (-1) = 3

<u>The area is:</u>

  • A = 1/2(4 + 7)(3) = 16.5 unit²

3 0
3 years ago
Please help me I don’t remember how to do it
Katarina [22]
The correct answer is c.
3 0
3 years ago
Read 2 more answers
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