Please do the area and perimeter and show your work!

Answers

Answer 1

Answer: number 1 is 12 for the area and 12 for the perimeter number 2 is 29 for the area and the perimeter is 24

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Please Help, Math question. What is the prime factorization of 86? Use * for multiplication.

Write a real world problem that can be solved using the equation, 5x = 3x + 20

Answers

-3x from both sides so it looks like 2x=20 and divide by 2 and x=10

What is the solution to. : 6x - 4 = 2x + 24

Answers

$6x - 4 = 2x + 24 \n4x=28\nx=7$

How much more money do 10 T-shirts cost that 6 T-shirts? Explian how you found your answer.

Answers

Answer:

Hence, the cost of 10 t-shirts is more than the 6 t-shirts by four times the cost of one t-shirt.

Step-by-step explanation:

We are given the following information in the question:

In order to answer this question, we have to make the following assumptions.

Let the cost of one t-shirt be x.

Then,

Cost of 10 t-shirts =

$\text{Cost on one t-shirt}* 10 = 10x$

Cost of 6 t-shirts =

$\text{Cost on one t-shirt}* 6 = 6x$

Difference between cost =

Cost of 10 t-shirts - Cost of 6 t-shirts = $10x - 6x = 4x$

Hence, the cost of 10 t-shirts is more than the 6 t-shirts by four times the cost of one t-shirt.

Well if the t-shirts are the same amount of money per shirt, then you simply work it out like this.
EXAMPLE
1 t-shirt = $10
So if you need to buy 10 you just multiply 10 by 10.
10x10= $100
Also if you need to find the difference between buying 6 or 10 you subtract the two numbers which would be 4 then divide 100 by 4.

Find the coordinates of an image of point R(3, -5) rotated 180 degrees about the origin.

Answers

if it was rotated 180, then the siigns are switched becasue 180 is 1/2 of 360, so the signs are switched and you get (-3,5)

this was kind of easy so maybe I am wrong.

When you rotate a coordinate pair by 180 degrees you simply multiply the x and the y by a negative 1

so 3 x -1 and -5 x -1 will give you a new coordinate pair of (-3, 5)

hope this helps

A dog is leashed to a point in thecenter of a large yard, so the area
the dog is able to explore is
circular. The leash is 20 feet long.
What is the area of the region the
dog is able to explore?
In terms of pi!!!(not 3.14)

Answers

Answer:

1256.64

Step-by-step explanation:

Jim, Carla and Tommy are members of the same family. Carla is 5 years older than Jim. Tommy is 6 years older than Carla. The sum of their three ages is 31 years. How old is each one them?

Answers

So,

We'll solve it with only one placeholder, since that's simpler.

Jim's age = J
Carla's age = C
Tommy's age = T

J = base
Carla's age = J + 5
Tommy's age = Carla's age + 6 or J + 5 + 6 or J + 11

Sum of ages = 31
(J) + (J + 5) + (J + 11) = 31

3J + 16 = 31

Subtract 16 from both sides
3J = 15

Divide both sides by 3
J = 5

Carla's age = J + 5
Carla's age = 10

Tommy's age = Carla's age + 6
Tommy's age = 10 + 6 or 16

5 + 10 + 16 = 31
15 + 16 = 31
31 = 31 This checks.

Jim is 5.
Carla is 10.
Tommy is 16.

lets
Jim x years old
Carla (x+5) years old
Tommy (x+5)+6 years old
sum is x+(x+5)+(x+5)+6=31 years old
3x+16=31
3x=15
x=5 - age of Jim
x+5=5+5=10 - age of Carla
x+5+6=16 - age of Tommy
Answer: 5, 10 and 16 y.o