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finlep [7]
3 years ago
15

Plot a rectangle with vertices (-1 ,-4) (-1 ,6 ) (3,6),

Mathematics
1 answer:
trapecia [35]3 years ago
8 0

Answer:

4 Units

Step-by-step explanation:

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A train travels 250 miles at a constant speed (x), in miles per hour.Enter an equation that can be used to find the speed of the
Nastasia [14]
The first thing we must do for this case is to take into account the following variable:
 x = speed in miles per hour
 Then, by definition we have to:
 d = v * t
 Where,
 d: distance
 v: speed
 t: time
 Substituting values:
 250 = x * 5
 Answer:
 
An equation that can be used to find the speed of the train is:
 
250 = x * 5
6 0
3 years ago
A soccer field has a perimeter of 326 metres. Its area is 6370 square metres. What are the dimensions of the field?
Burka [1]

Answer:

Step-by-step explanation:

chiều dài:x,x>0

chiều   rộ:y

\left \{ {({x+y)*2=326} \atop {xy=6370}} \right.

\left \{ {{x+y=163} \atop {xy=6370}} \right.

\left \{ {{y=163-x} \atop {xy=6370}} \right.

\left \{ {{y=163-x} \atop {x*(163-x)=6370}} \right.

\left \{ {{y=163-x} \atop {163x-x^{2} =6370}} \right. \\

\left \{ {{y=163-x} \atop {x_{1} =98; x_{2} =65}} \right.

\left \{ {{y=65} \atop {x=98}} \right.

4 0
2 years ago
the is a duck in front of two ducks, a duck behind two ducks, and a duck between two ducks. what is the least number of ducks th
nalin [4]

Answer:

Step-by-step explanation:

Three I think.

Donald x  x

X   X   Donald

X Donald X

6 0
2 years ago
Read 2 more answers
Please someone help this question is hurting my small brain. ​
ki77a [65]
22.4

If the bottom side is 20 cm, then each line BE and CE would each be 10 cm.

Now, just focus on the top left triangle. You have one side with 20 cm, and the other side with 10 cm. You are left with the hypotenuse, which you need to figure out the value of.

Since this is a right triangle, you can use the Pythagorean theorem -> a^2 + b^2 = c^2 where c is the hypotenuse.

20^2 + 10^2 = c^2
400 + 100 = c^2
500 = c^2
22.36 = c
5 0
3 years ago
Read 2 more answers
1. x2 + 12x + 27 = 0<br> what’s the answer ?
Ostrovityanka [42]

Answer:

x^{2} + 3x +9x +27 = 0

x(x+3)+9(x+3)=0

(x+3)(x+9)=0

x=-3, x=-9

Step-by-step explanation:

a=1 b=12 c=27

sum=12

factor=27x 1

          3x9

also 3+9=12

8 0
3 years ago
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