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hjlf
4 years ago
15

Can someone help me please And please show your work

Mathematics
1 answer:
kondaur [170]4 years ago
5 0
A)1:2
b)21:2
c)6:44 or 3:22
d)2:5
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In this triangle, a = 6 cm, b = 8 cm, and c = 10 cm.
tresset_1 [31]

Answer:

A) 24 cm²

Step-by-step explanation:

Area of a triangle formula:

A = 0.5bh

Given:

b = 6

h = 8

Work:

A = 0.5bh

A = 0.5(6)(8)

A = 3(8)

A = 24

5 0
3 years ago
Read 2 more answers
In the​ 1970s, due to world​ events, there was a gasoline shortage in the United States. There were often long lines of cars wai
barxatty [35]

Answer:

Part A: The average car length is 9.1 feet to the nearest tenth foot

Part B: The line would be 9100 feet to contained 1000 cars

Step-by-step explanation:

* Lets explain how to solve the problem

# Part A:

- There were 62 cars in a line that stretched 567 feet

- The cars are lined up bumper-to-bumper

- That means there is no empty spaces between the cars

* To find the average length of the car we will divide the length of

  the line by the numbers of the cars

∵ The average car length = length of the line/number of cars

∵ The length of the line is 567 feet

∵ The numbers of the cars is 62 cars

∴ The average car length = 567/62 = 9.1 feet

* The average car length is 9.1 feet to the nearest tenth foot

# Part B:

- There are 1000 cars

- We need to find the length of line which contained the cars

∵ The average car length = length of the line/number of cars

∵ The average of car length is 9.1 feet

∵ The number of the cars is 1000 cars

∴ 9.1 = length of the line/1000

- Multiply both sides by 1000

∴ The length of the line = 9.1 × 1000 = 9100 feet

∴ The line would be 9100 feet to contained 1000 cars

7 0
4 years ago
Determine the range of the following graph:
astra-53 [7]

Step-by-step explanation:

Range is all possible y values a function can have. Look at the y axis. So let find the max/ min y value the function can have. The max y value is 1, and the minimum y value is -4. All the x Intervals fall between -4, and 1. Since we have solid dot we include the -4 and 1.

So the notation for this is

- 4 \leqslant y \leqslant 1

or

[-4,1]

6 0
3 years ago
I don't know how to show the work for this problem. can anyone help me
Contact [7]
I would rewrite the question then show how you got your answer
7 0
3 years ago
Guys please help (7thgrademath) both of the ones 1-10
Alex787 [66]

Hello!

Answer:

1. first u want to distribute the 3

3(n+4)+2

3n+12+2

Then add 12 and 2

3n+14

2. again, distribute

5(w+2)+3w-4

5w+10+3w-4

subtract

5w+10-4+3w-4-4

combine like terms

5w+3w+6+3w+3w

8w+6

3. distribute

3(w-2y)+w+4

3w-6y+w+4

Combine like terms

4w-6y+4

these are the first 3. if this is not what you wanted pls reach out! Hop this helps! :)

6 0
3 years ago
Read 2 more answers
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