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harina [27]
3 years ago
10

PLZZ HELP NOWW!!! so im doing algebra and we are doing adding and subracting polynomials and i really need help and there are 3

questions.
Mathematics
1 answer:
Alinara [238K]3 years ago
6 0

Answer:

where are the questions??

Step-by-step explanation:

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The ground temperature at an airport is 16 °C. The temperature decreases by 5.6 °C for every increase of 1 kilometer above the g
love history [14]

0 km = 16

1km = 16 - 5,6 = 10,4

2km = 10,4 - 5,6 = 4,8

3km = 4,8 - 5,6 = -0,8

4km = -0,8 - 5,6 = -6,4

5km = -6,4 - 5,6 = -12

3 0
2 years ago
Farmer Smith enclosed his rectangular pasture with fence that cost him $1.50 per linear meter. If his pasture is twice as long a
maria [59]

Answer:

$2,700

Step-by-step explanation:

Let the width of the pasture be x, this means that the length of the pasture will be 2x

The area of a rectangle is L * B

Hence,

x * 2x = 18,000

2x^2 = 180,000

x^2 = 90000

x = 300 meters

This means the length is 600 metres

Now, to get the length of the fence, we need to know the actual perimeter which is 2(L + B)

= 2 ( 300 + 600)

2 * 900 = 1,800 metres

The cost is thus 1,800 * $1.50 = $2,700

6 0
3 years ago
Please Help This Is Math
stira [4]

Answer:

-3

Step-by-step explanation:

5 0
3 years ago
HELP PLZZ<br><br> Which figure shows a reflection of pre-image DEFG over the x-axis?
scoray [572]
The first one is a reflection over the x-axis :)
5 0
3 years ago
If the difference of two numbers is 43 and the sum of the numbers is 13, what<br> are the numbers?
meriva

Answer:

Numbers are 28 and -15

Step-by-step explanation:

Mark first number X, and second number Y, then:

x-y=43

and

x+y=13

We get system of two equations. Solve it by add both them together:

x-y+x+y=43+13

2x=56

x=28 we get first number

x+y=13

28+y=13

y=13-28

y=-15

4 0
3 years ago
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