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lawyer [7]
2 years ago
10

In triangle ABC, AB = 6 cm, BC = 7cm, ∠B=3 0 . Then

Mathematics
1 answer:
Lynna [10]2 years ago
7 0

Answer:

i think you should search on the internet by copypasting. u will learn it too

Step-by-step explanation:

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4. Simplify the expression:
Natalija [7]

Answer:

<h2>A. 2x² + 5x + 1</h2>

Step-by-step explanation:

7x^2-6+4x+7-5x^2+x\qquad\text{combine like terms}\\\\=(7x^2-5x^2)+(4x+x)+(-6+7)\\\\=2x^2+5x+1

3 0
3 years ago
Zelie planned for a square pool to have a side length of 28 ft but found that it needs to be 14 ft long to fit in her backyard.
djverab [1.8K]

Answer:

Step-by-step explanation:

Find the complete question

Zelie planned for a square pool to have a side length of 28 ft but found that it needs to be 14 ft long to fit in her backyard. She found the change of scale below.

Which is Zelie’s error?

Zelie should have divided both numbers by 14.

Zelie should have written the ratio as 28/7.

Zelie should have written the ratio as 14/8.

Zelie should have subtracted 14 from both numbers.

Original length of pool = 28ft

If he found that it need to be 14ft longer then the actual measure = 14th

given equation is;

(28 - 7)/14 - 7 = 14/7

Scale constant  = original length/actual length

Scale constant = 28/14

Scale constant = 2

Hence the scale constant is 2

According to the option, Zelei should have divided both numbers by 14.

4 0
3 years ago
Read 2 more answers
In a fruit cocktail, for every 30 ml of orange juice you need 20 ml of apple juice and 50 ml of coconut milk. What proportion of
KengaRu [80]

Answer:

first things first, you need to find out how much juice you have: 30 + 20 + 50 = 100, so 100 ml of juice. all together, the juice is 100%, or 1. separated, the amounts are 30%, 20%, and 50%, therefore the amount of coconut milk in the cocktail you have is 50%, or 1/2.

3 0
2 years ago
-0.38 written as a fraction the 8 is a repeating decimal
Simora [160]

Answer:

\frac{-7}{18}

Step-by-step explanation:

The line in between the numerator and denominator serves as a division sign so, -7 divided by 18 equals -0.38 with the 8 repeating

8 0
3 years ago
How can you write the statement "obtuse angles have greater measure than acute angles" so that it is a good definition
Setler79 [48]
An acute angle has a measure between 0 degrees and 90 degrees.
An obtuse angle has a measure between 90 degrees and 180 degrees.
7 0
3 years ago
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