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3 years ago

Is there enough information given to find the value of X. Explain your reasoning. Ty!

Mathematics

1 answer:

Ber [7]3 years ago

6 0

Since the 90 degree angle is on a straight line, the one attached to it is also going to be 90 degrees and in one triangle the Desiree’s must add up to 180 so we are given 90 and 23 on one side so the other angle is going to be 67 which is attached to the other angle and therefore when u do 180-90-67 for the unknown x triangle u should get 23

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Name a decimal between 0.4 and 0.5

Aliun [14]

To find a number between both decimals, what you can do is take the average of both numbers.

We have then:

$average = \frac{0.4+0.5}{2}$

Rewriting we have:

$average = \frac{0.9}{2} \\average = 0.45$

Therefore, the decimal obtained is a number between 0.4 and 0.5

Answer:

a decimal between 0.4 and 0.5 is:

$average = 0.45$

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3 years ago

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Larry watched one television program for 1/3 of an hour and then watched another program for 15 min. For what fraction of an hou

forsale [732]

The answer is 7/12 of an hour

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2 years ago

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If AC = 3, BC = 5, and AB = 7, find AD:<br> 2 5/8<br> 4 1/5<br> 4 3/8<br> 11 2/3

Vesna [10]

Answer:

1. $2\frac{5}{8}$

Step-by-step explanation:

We can see that CD is angle bisector, So we will use angle bisector theorem which states that the angle bisector of an angle of a triangle divides the opposite side in two segments that are proportional to the other two sides of the triangle.

We can set up an equation as:

$\frac{AC}{AD}=\frac{BC}{BD}$

Upon substituting our given values we will get,

$\frac{3}{AD}=\frac{5}{(7-AD)}}$

Cross multiplying our equation we will get,

$5AD=3*(7-AD)$

$5AD=21-3AD$

$5AD+3AD=21$

$8AD=21$

$AD=\frac{21}{8}$

$AD=2\frac{5}{8}$

Therefore, the length of AD is $2\frac{5}{8}$ units and 1st option is the correct choice.

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3 years ago

Determine if the given ordered pairs are solution of x+ 4y = 7.

const2013 [10]

Answer:

(3, 1 ) is a solution

Step-by-step explanation:

To determine if the given points are solutions, substitute the x and y values into the left side of the equation and if equal to the right side then they are solutions.

(3, 1 )

3 + 4(1) = 3 + 4 = 7 = right side , then a solution

(2, 1 )

2 + 4(1) = 2 + 4 = 6 ≠ 7 ← not a solution

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2 years ago

What are the Factors of 90

Whitepunk [10]

Answer:

Step-by-step explanation:

hope this helps

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3 years ago

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