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Paladinen [302]
3 years ago
14

What is the slope of a line perpendicular to a line with slope –9?

Mathematics
1 answer:
7nadin3 [17]3 years ago
3 0

Answer:

The answer is 1/9.

Step-by-step explanation:

When solving for the slope of a perpendicular line to a given, you have to flip the opposite reciprocal.

First take the number and flip the reciprocal, in this case -9 turns into -1/9.

Then flip the sign, like making a negative to a positive or a positive to a negative. In this case make -1/9 into 1/9

Therefore the answer is 1/9.

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Which number in the set {6, 12, 18, 36} satisfies the equation below? 6x - 18 = 54
svp [43]

Answer:

12

Step-by-step explanation:

Solving the equation would be the easiest way to find out which number fits.

6x - 18 = 54

6x = 72

x = 12

4 0
2 years ago
Leo is running in a 5-kilometer race along a straight path. If he is at the midpoint of the path, how many kilometers does he ha
hammer [34]

Answer:

2.5 km left

The midpoint is half of 5, which is 2.5, so he'll still have 2.5 km left to complete

7 0
3 years ago
Right triangle QRS is pictured below.
sineoko [7]

Step-by-step explanation:

<u>Step 1:  List out all of the formulas for the trigonometric functions </u>

<em>sin(x) </em>= opposite/hypotenuse

<em>cos(x)</em> = adjacent/hypotenuse

<em>tan(x) </em>= opposite/adjacent

<u>Step 2:  Find the value of RS </u>

cos(31) = RS/24.8 NOT 24.8/RS

sin(31) = QS/24.8 NOT RS/24.8

sin(31) = QS/24.8 NOT 24.8/RS

cos(31) = RS/24.8 WHICH IS SAME AS RS/24.8

Answer: The correct length would be given from Option D, cos(31) = RS/24.8

3 0
3 years ago
Read 2 more answers
My number rounded to the nearest tenth is 6.4. What might my number be? Justify your answer
garik1379 [7]
It would be 10 because 6.4 is greater than 5. Correct me if i’m wrong
4 0
3 years ago
Can someone please explain what solving in scientific notation is?
nikitadnepr [17]

Step-by-step explanation:

Scientific notation is a way of expressing numbers that are too big or too small to be conveniently written in decimal form.

For example, instead of writing 0.0000000056, we write 5.6 x, 10^-9

5 0
3 years ago
Read 2 more answers
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