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3 years ago

What is 475 rounded to the nearest ten?

Mathematics

1 answer:

vredina [299]3 years ago

8 0

480 would change the 7 because 5 is up and you get 80

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In ΔUVW, w = 44 cm, u = 83 cm and ∠V=141°. Find the area of ΔUVW, to the nearest square centimeter.

Tema [17]

Answer:

$Area \approx 1149\ cm^2$

Step-by-step explanation:

<u>Given that:</u>

ΔUVW,

Side w = 44 cm, (It is the side opposite to $\angle W$ )

Side u = 83 cm (It is the side opposite to $\angle U$ )

and ∠V=141°

Please refer to the attached image with labeling of the triangle with the dimensions given.

Area of a triangle with two sides given and angle between the two sides can be formulated as:

$A = \dfrac{1}{2}\times a\times b\times sinC$

Where a and b are the two sides and

$\angle C$ is the angle between the sides a and b

Here we have a = w = 44cm

b = u = 44cm

and ∠C= ∠V=141

Putting the values to find the area:

$A = \dfrac{1}{2}\times 44\times 83\times sin141\\\Rightarrow A = \dfrac{1}{2} \times 3652 \times sin141\\\Rightarrow A =1826 \times 0.629\\\Rightarrow A \approx 1149\ cm^2$

So, the <em>area </em>of given triangle to the nearest square centimetre is:

$Area \approx 1149\ cm^2$

8 0

4 years ago

Pls hurry I’m being timed

ValentinkaMS [17]

Answer:

Step-by-step explanation:

5 0

3 years ago

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A pet store has 150

trasher [3.6K]

Answer:

Step-by-step explanation:

hope this helps loves x

4 0

2 years ago

Half of 6900 and 8100

klio [65]

6900 + 8100 = 15000

15000 divided by 2 = 7500

So your answer is 7500

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4 years ago

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You have m marbles. Alex has three times as many marbles as you. Which expression correctly shows how many marbles Alex has?

klasskru [66]

Answer:

Step-by-step explanation:

m X 3 = 3m

5 0

4 years ago