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kakasveta [241]
3 years ago
6

A garden has four sides that are all the same length each side measures x+4 units the gardens perimeter is 122 units what is the

value of x
Mathematics
1 answer:
swat323 years ago
7 0
X= 26.5 units 
each side is 30.5 units
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How can you model how to find the answer to 55 divided by 5 to young child? Explain.
docker41 [41]

Answer

55 divided by 5 = 11

Step by step explanation

Assume that we have 55 balls, we have to group 5 balls in each group.

How many group can we form?

The number of groups = 55/5 = 11

Use can see it in the picture.

We have to explain with pictorial method.

I have attached the figure.

Hope this will helpful.

Thank you.

8 0
2 years ago
You are a traffic accident investigator. You have arrived at the scene of an accident. Two trucks of equal mass (3,000 kg each)
Kazeer [188]

Answer:

1) Kinetic energy of the truck 1 is 600,000 joules.

Kinetic energy of the truck 2 is 1,837,500 joules.

2 a)Potential energy of truck 1 is 646,800 Joules.

b) Energy lose by the truck 1 just got converted into heat and sound energy during the collision.

Step-by-step explanation:

Mass of the truck 1 and truck 2,m = 3000 kg

Velocity of the truck 1, v_1 = = 20 m./s

Velocity of the truck 2,v_2 = 35 m./s

1. Kinetic energy of the truck 1:\frac{1}{2}mv_{1}^2=\frac{1}{2}\times 3000 kg\times (20 m/s)^=600,000 joules

Kinetic energy of the truck 2:\frac{1}{2}mv_{2}^2=\frac{1}{2}\times 3000 kg\times (35 m/s)^=1,837,500 joules

2.a) Energy loose by the truck 1:

Initial height of the truck on the hill = 22 m

At that height potential energy will be maximum:

Potential energy of truck 1 at that height = mgh=3000\times 9.8 m/s^2\times 22 m=646,800 Joules

b) Energy lose by the truck 1 just got converted into heat and sound energy during the collision.

3 0
3 years ago
Factorise quadratic equation<br> n^2-n=0
Sindrei [870]

n² - n = 0

n(n-1)

\\  \\

7 0
2 years ago
Whats the answer to -3a+8-8(7-2a)​
Serga [27]

Answer:3.1875

Step-by-step explanation: Simplifying

-3 + 8 + -8(7 + -2a) = 0

-3 + 8 + (7 * -8 + -2a * -8) = 0

-3 + 8 + (-56 + 16a) = 0

Combine like terms: -3 + 8 = 5

5 + -56 + 16a = 0

Combine like terms: 5 + -56 = -51

-51 + 16a = 0

Solving

-51 + 16a = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '51' to each side of the equation.

-51 + 51 + 16a = 0 + 51

Combine like terms: -51 + 51 = 0

0 + 16a = 0 + 51

16a = 0 + 51

Combine like terms: 0 + 51 = 51

16a = 51

Divide each side by '16'.

a = 3.1875

Simplifying

a = 3.1875

5 0
3 years ago
Read 2 more answers
If m(x)=2x and n(x)=x-4 find the general rule for m(n(x))
Mice21 [21]
m(n(x))=2(x-4)=2x-8
4 0
3 years ago
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