2 years ago

Find the measures of <1 and <2 if <3 = 78^0 and <4 = 102^0.

Mathematics

2 answers:

zhuklara [117]2 years ago

8 0

Answer:

oops look in commments

Step-by-step explanation:

professor190 [17]2 years ago

3 0

Answer:

my acc just got yeeted by a penguin pfp

Step-by-step explanation:

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Simplify the following expression. 4a^-2b A.) b/4a^2 B.)4b/a^2 C.)1/4a^b2

Sergio [31]

ANSWER

The correct answer is B

$\frac{4b}{ {a}^{2} }$

EXPLANATION

The given exponential expression is

$4 {a}^{ - 2} b$

We can rewrite this as,

$4b \times {a}^{ - 2}$

We need to simplify to obtain a positive index, so we apply the following property,

${a}^{ - m} = \frac{1}{ {a}^{m} }$

This implies that,

$4b \times {a}^{ - 2} = 4b \times \frac{1}{ {a}^{2} }$

This will finally simplify to,

$4b \times {a}^{ - 2} =\frac{4b}{ {a}^{2} }$

Therefore the correct answer is B

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2 years ago

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A train covers 168 miles at a speed of 42 mph. How much time dod it take?

Sergio039 [100]

Answer:

4 hours

Step-by-step explanation:

42x?=168

?=4

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3 years ago

Can you explain how complex fractions can be used to solve problems involving ratios?

-BARSIC- [3]

Example: (1/5)/(4/13)=(1/5)*(13/4)=13/20

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3 years ago

Graph the functions and identify the domain and range. y=-1.5x^2

erma4kov [3.2K]

You can give random values such as (1,2.5) (2,9) (-1,2.5) (-2,9) and it is a parabola. You'll see that the range is (-infinte, 0] and the domain is (-infinit, infinite). I hope that this is the answer that you were looking for and it has helped you.

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3 years ago

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A student creates a triangle with a perimeter of 13 inches. According to the student, the longest side is 9 inches. Explain how

mamaluj [8]

Answer:

The student is wrong because the sum of any two sides of a triangle should be greter than the third side. The length of a single side of a triangle can not be half or more than half of the perimeter of that triangle. And since the given length is more than half of the perimeter , the student is incorrect .

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2 years ago