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IrinaVladis [17]
3 years ago
8

Can somebody plz help answer the number 10’s questions using the diagram from the bottom left side (only if u know how to do thi

s) thx sm! :3
WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST :DDD!

Mathematics
1 answer:
Lana71 [14]3 years ago
8 0

Answer:

10a: △ABC is an Equilateral triangle with all acute angles.

10b: △BCD is A scalene triangle with all acute angles.

10c: △BDE is An Isosceles triangle with one obtuse angle.

Step-by-step explanation:

10) Looking at the diagram at the bottom left;

- △ABC has 3 equal internal angles and as such, it means it will have 3 equal angles.

Thus, we can classify it as; Equilateral triangle with all acute angles.

- △BCD has 3 unequal angles. Thus, it's 3 sides are not equal. Also all the angles are less than 90°.

We can classify it as;

A scalene triangle with all acute angles

- △BDE has 2 equal angles and one angle greater than 90°. This means it has 2 equal sides.

Thus, we can classify it as;

- An Isosceles triangle with one obtuse angle.

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3(x² + 3x - 10)<br> Simply the expression
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Answer:

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Step-by-step explanation:

Multiply the three into each number

3x^{2}+9x-30

5 0
3 years ago
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What is the simplified expression for,
Nostrana [21]

Here are a few rules you need to know for this equation:

  • Multiplying exponents of the same base: x^m\times x^n=x^{m+n}
  • Dividing exponents of the same base: \frac{x^m}{x^n}=x^{m-n}
  • Turning a negative exponent to a positive one: x^{-m}=\frac{1}{x^m};\frac{1}{x^{-m}}=x^m

So this is our algebraic expression: \frac{3^{-4}\times 2^3\times 3^2}{2^4\times 3^{-3}}

Firstly, multiply 3^-4 and 3^2: \frac{3^{-4+2}\times 2^3}{2^4\times 3^{-3}}=\frac{3^{-2}\times 2^3}{2^4\times 3^{-3}}

Next, divide:

\frac{3^{-2}\times 2^3}{2^4\times 3^{-3}}=3^{-2-(-3)}2^{3-4}=3^12^{-1}

Next, turn the negative exponent into a positive one: 3^12^{-1}= \frac{3}{2}

<u>Your final answer is 3/2, or 1.5.</u>

6 0
3 years ago
What is the least common denominator for the fractions1/6and 3/4 ?
melomori [17]
A. 12; Least common denominator is the least multiple that the denominator have together. So you multiply the denominators until you get the first number they both have in common.
6*1 = 6
6*2 =12

4*1 =4
4*2 =8
4*3 = 12 

Since the first number they both have in common is 12, the least common denominator is 12
3 0
3 years ago
the price of a small pizza increased from $5 to $8. what is the percent of increase in the cost of the pizza? round to the neare
Ne4ueva [31]
60%

Working

£5:100%
£1:20%
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So percentage increase is 60%
6 0
3 years ago
What does 12A equal?
lozanna [386]
<span><span>4a+6b=10 
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</span>
<span>2a-4b=12 
2((5-3b)/2)-4b=12 
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</span>
<span>2a-4b=12 
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a=4, b=-1 </span>

12a=48</span>
7 0
3 years ago
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