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2 years ago

Just double checking - is this correct? Note: Pi is represented as 3.14 in this model.

Mathematics

2 answers:

Ierofanga [76]2 years ago

8 0

Answer:

yes i think it is

Step-by-step explanation:

Likurg_2 [28]2 years ago

3 0

Answer:

Yes you are correct!

Step-by-step explanation:

I also got 103.62 yard squared!

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The perimeter of a rectangular playground is 46m. If the length of the park is 7m, what is the width of the park?

HACTEHA [7]

Answer:

16m

Step-by-step explanation:

Since the length of the park is 7m, then the other side is also 7m so 46-14 is 32. So 32/2 is 16.

4 0

2 years ago

(8×1017)÷(2×103)Give your answer in standard form.

Alexxandr [17]

4.19004 x 10^5

sry I have to write extra stuff to send the answers :)

4 0

2 years ago

What is the measurement of BC to the nearest centimeter?

77julia77 [94]

Answer:

a 8

Step-by-step explanation:

You are given two sides and the included angle. Since you don't have any side and the opposite angle, you must use the law of cosines.

$a^2 = b^2 + c^2 - 2bc\cos A$

$a^2 = 5^2 + 11^2 - 2(5)(11)\cos 39^\circ$

$a^2 = 25 + 121 - 110\cos 39^\circ$

$a^2 = 60.51$

$a = 7.779$

Answer: a = 8 cm

7 0

3 years ago

A wool sweater originally costs $42.00. if the sweater is on sale for 25% off, what is the new cost of the sweater? $

jolli1 [7]

42 (1- 25/100) = 63/2 = 31.5 dollars

answer is $31.50

hope it helps

8 0

3 years ago

Read 2 more answers

Write the expression as a square of a binomial if possible: 19x^2+2/15xy+1/25y^2 Anyone who answers my question I will name brai

ZanzabumX [31]

Answer:

Formula: a² + 2ab + b² = (a + b)²

The square root of 1/9x² = 1/3x so a = 1/3x and b = 1/5y.

The answer is (1/3x + 1/5y)².

3 0

3 years ago