3 years ago

Graph this function:f(x)=x2-4x-5.

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

4 0

here is your answer to this question

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Angles opposite to one another at the intersection of two lines are called ____ angles.

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A Vertical Angle

Step-by-step explanation:

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Is the reflection in the x-axis, y-axis or neither

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Reflection over the y-axis

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The ratio in which girls and children are born is 2 to 5, and 35 are born. How many girls are born?

Mamont248 [21]

Answer: It should be 14 girls

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35/5=7

2*7=14

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Determine whether the given lengths can be sides of a right triangle. Which of the following are true statements. A.The lengths

Stels [109]

Answer:

Given sides 12, 16 and 20 can be the sides of right triangle.

Step-by-step explanation:

Sides of right triangle always follow the Pythagoras theorem.

i.e $(base)^2 + (Height)^2 = (Hypotenuse)^2$

For the given Lengths 7, 40 and 41

We need to check if

$7^2 + 40^2 =41^2 \\or\\ 7^2 + 40^2 \neq41^2$

$Since \\7^2 + 40^2 = 1649\\and \\41^2 = 1681$

That means, $\\ 7^2 + 40^2 \neq 41^2$

hence 7,40 and 41 can not be the sides of right triangle.

Next,

Given sides 12,16 and 20.

Again follow the similar process used in the above problem.

$12^2 + 16^2 =400\\And \\20^2 = 400\\Since 12^2 + 16^2 = 20^2$

Therefore given sides 12,16 and 20 can be the sides of right triangle.

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the answer is 14/27

Step-by-step explanation:

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