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12345 [234]
3 years ago
6

What is 4x+6y=-6 6y=18

Mathematics
1 answer:
777dan777 [17]3 years ago
6 0

Answer:

x=-6

y=3

Step-by-step explanation:

You need to plug the equations in

{4x+6y=-6

{6y=18

so

4x+18=-6

subtract 18 from both sides

4x=-24

x=-6

6y=18

y=3

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What is the degree of the polynomial and what the y-intercept
Arada [10]

Answer:

Polynom degree: 5

Y intercept point: (0, 80)

Step-by-step explanation:

P(x)=(x+5)(x+4)²(x+1)²

When you expand, the highest power of x is 1 for first term (x+5), 2 for second term (x+4)² and again 2 for (x+1)². Overall, x⁵ will be the x term with highest power. So the degree of the polynom is 5.

The y intercept, i.e. intersection with OY axis, happens for x=0. Thus, P(0)=5×4²×1²=5×16=80. The y intercept point is (0, 80)

5 0
2 years ago
What is the total surface area of the rectangular pyramid whose net is shown?
Lunna [17]

Answer:

95 in.²

Step-by-step explanation:

Total surface area of the rectangular pyramid = 4(area of triangle) + area of rectangle

Area of triangle = ½*base*height

base = 5 in.

height = 7 in.

Area of triangle = ½*5*7 = 17.5 in.²

Area of rectangle = Length*width = 5*5 = 25 in.²

Plug in the values

Total surface area of the rectangular pyramid = 4(17.5) + 25

= 95 in.²

7 0
2 years ago
I need help with this!! What is the answer???!
Natalija [7]

Answer:

53

Step-by-step explanation:

Sum of interior angles of a pentagon = 540°

Therefore,

2x° +2x° + 3x° + 3x° + 10 = 540°

10x° + 10° = 540°

10x° = 540° - 10°

10x° = 530°

10x = 530

x = 530/10

x = 53

7 0
3 years ago
What are the chart and graph numbers?
Anarel [89]

Answ

x and y coordinates

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
For every 6kg a child's weight, pediatricians prescribe 17mg of acetaminophen. If Lexie weighs 48 kg, how many milligrams of the
Inessa05 [86]
The answer will be 136mg
48/6=8
8*17=136mg
3 0
3 years ago
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