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2 years ago

What is the slope of the line? -3 -1/3 1/3 3

Mathematics

2 answers:

alexandr402 [8]2 years ago

6 0

Answer:

Step-by-step explanation:

Pick two points on the line

(0,0) and ( 1,3)

The slope is found by

m = ( y2-y1)/(x2-x1)

= ( 3-0)/(1-0)

= 3/1

= 3

denpristay [2]2 years ago

6 0

Answer:

D) 3

Step-by-step explanation:

Rise/run, rise is 3, run is 1

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Which of the following algebraic expressions can be used to express the statement "three less than z squared?"

Citrus2011 [14]

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2 years ago

What is the value of x? 42 45 3 15

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Answer:

125 is the value of the question

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2 years ago

Find the length of the third side. If necessary, write in simplest radical form.

Mazyrski [523]

Answer:

$\boxed {\boxed {\sf 8}}$

Step-by-step explanation:

This triangle has a small square, which represents a right angle. Therefore, we can use the Pythagorean Theorem.

$a^2+b^2=c^2$

Where a and b are the legs of the triangle and c is the hypotenuse.

In this triangle, 7 and √15 are the legs, because these sides make up the right angle. The unknown side is the hypotenuse, because it is opposite the right angle. So, we know two values:

$a= 7 \\b= \sqrt{15}$

Substitute these values into the formula.

$(7)^2+(\sqrt{15})^2=c^2$

Solve the exponents.

(7)²= 7*7=49

$49+ (\sqrt{15})^2=c^2$

(√15)²=√15*√15=15

$49+15=c^2$

Add.

$64=c^2$

Since we are solving for c, we must isolate the variable. It is being squared and the inverse of a square is the square root. Take the square root of both sides.

$\sqrt{64}=\sqrt{c^2} \\\sqrt{64}= c\\8=c$