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pshichka [43]
2 years ago
10

Help and thank youu~

Mathematics
1 answer:
katen-ka-za [31]2 years ago
7 0

Answer:

Perimeter=150cm

Step-by-step explanation:

25cm×6=150cm

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10x - 30 = 5y<br>2x = y + 6​
dybincka [34]

Answer:

  the equations are dependent; both describe the line y = 2x -6

Step-by-step explanation:

Remove the common factor of 5 from the first equation and you have ...

  2x -6 = y

Subtract 6 from the second equation and you have ...

  2x -6 = y

The two equations are the same, so describe the same line. The solution set is all points on that line. The equations are dependent, and have an infinite number of solutions.

4 0
4 years ago
The equation of a parabola is given in factored form.
ValentinkaMS [17]

Answer:

The parabola's axis of symmetry is x = -6

Step-by-step explanation:

Parabola general equation:

y = a*(x - r1)*(x - r2)

Equation given:

y = (-1/4)*(x + 2)*(x + 10)

a = -1/4

r1 = -2

r2 = -10

To check if the parabola passes through the point (2, 10) it is necessary to replace x = 2 and check the y-value, as follows:

y = (-1/4)*(2+ 2)*(2 + 10) = -12

Then, point (2, 10) is not included in the parabola.

If a > 0 then the parabola opens upward; if a < 0 then the parabola opens downward. Then, the parabola opens downward

Axis of symmetry:

h = (r1 + r2)/2

h = (-2 + -10)/2 = -6

Then, The parabola's axis of symmetry is x = -6

To find Parabola's vertex, replace with the axis of symmetry:

y = (-1/4)*(-6 + 2)*(-6 + 10) = 4

Therefore, the parabola has a vertex at (-6, 4)

7 0
4 years ago
A snack cart sells lemonade for $2 and hot dogs for $5. The vendor sold 86 items today for a total of $330.
Katen [24]

Answer:

(86 – h) + h = 86

Step-by-step explanation:

$70+$260= $330

34 lemonade + 52 hot dogs = 86 items = $330

With 34 lemonade + 52 hotdogs h= 52

(86 – h) + h = 86 = 86-52+52=86

7 0
3 years ago
Read 2 more answers
The image of point (-2,3) under translation T'is
Trava [24]

Answer:

Step-by-step explanation:

REF: 060309a

ANS:

(9,−2)

(x,y)-->(x+5,y-4)

7 0
3 years ago
How much fencing is required to enclose a circular garden whose radius is 14 m? Use 3.14 pi
ipn [44]

Answer:

87.92 m

Step-by-step explanation:

Formula for the circumference of a circle (which is what you're finding with this problem) is pi d

Pi being 3.14 and d being the diameter

Since the radius is 14 the diameter is 2 times that , 28m

Now just multiply 28 and 3.14 which gives you 87.92

7 0
3 years ago
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