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Alex73 [517]
3 years ago
10

Draw quick pictures. write how many hundreds, tens, and ones in all. Write the number. add 231 and 218

Mathematics
2 answers:
juin [17]3 years ago
6 0
2hundreds 3 tens 1 ones         2 hundreds 1 tens 8 ones
Maurinko [17]3 years ago
5 0

There are 4 hundreds 4 tens and 9 ones.


Work: 231 + 218 = 439


Hope this helps!

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Triangle abc is an equilateral triangle with ac =6; find the area of this triangle.
Tju [1.3M]
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.. A = (√3)/4*s^2

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.. A = (√3)/4*6^2 = 9√3 . . . . . square units
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When a whole number is multiplied by 1,000, the product is?
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3 years ago
The city park is a square of land woth an area of 10,000 m^2. What is the length of the fence that encloses the park ?​
Mekhanik [1.2K]

Answer:

The length of the fence that encloses the park is 400 m

Step-by-step explanation:

step 1

Find the length of the square city park

we know that

The area of a square is

A=b^2

where

b is the length side of the square

we have

A=10,000\ m^2

substitute and solve for b

10,000=b^2

take square root both sides

b=100\ m

step 2

Find out the length of the fence that encloses the park

we know that

The length of the fence is equal to the perimeter of the square city park

The perimeter of the square is

P=4b

we have

b=100\ m

substitute

P=4(100)=400\ m

therefore

The length of the fence that encloses the park is 400 m

5 0
3 years ago
"A 5-meter ladder is leaning against the wall of a house. The foot of the ladder on the ground is 1.5 meters from the wall. What
VladimirAG [237]

\large\bold{Together \:  We \:  Go  \: Far! } \\ \rule{70mm}{2.9pt}

\large \bold{✞  \: Problem  \: ✞}:

"A 5-meter ladder is leaning against the wall of a house. The foot of the ladder on the ground is 1.5 meters from the wall. What angle measures does the ladder make with the wall?"

\rule{70mm}{2.9pt}

\large \bold{✞  \: Solution  \: ✞}:

✰ Step 1 ✰: Identify what is asked in the problem.

  • ❒ The angle formed by the ladder with the wall.

✰ Step 2 ✰: Use appropriate trigonometric ratio to solve the problem.

\quad\qquad  \large\tt{ \:  \:  \:  \:  \:  \: Sine \:  ratio} \\ \quad \qquad \large \bigstar \:  \: \boxed{\tt {   \: \: \sin A= \frac{1.5}{5} \:  \: }}

✰ Step 3 ✰: Solution and interpretation.

:  \qquad \large  \implies \tt{ \sin A =  \frac{1.5}{5} }

:  \qquad \large  \implies \tt{A =   \sin^{ - 1} ( \frac{1.5}{5}) }

:  \qquad \large  \implies \tt{A =  17.46 \approx  \pmb{17 \degree} }

\rule{70mm}{2.9pt}

\large \bold{✞  \: Answer  \: ✞}:

❒ The angle formed by the ladder with the wall is approximately 17°.

\qquad\rule{70mm}{2.9pt}

\large \bold{✰ \: MrHarold \: ࿐}

3 0
2 years ago
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