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Over [174]
2 years ago
14

7) Which statement about perpendicular lines is true?

Mathematics
2 answers:
OLEGan [10]2 years ago
6 0
A. Perpendicular lines form 90 degree angles
agasfer [191]2 years ago
3 0

Answer:

is the a. Perpendicular lines form 90° angles.

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A dog walker charges a flat rate of $6 per walk plus an hourly rate of $30. How much does the dog walker charge for a 45 minute
zvonat [6]

Step 1

<u>Find the equation in function notation</u>

Let

h-------> the number of hours

y-------> the function for the walker fee in dollars

we know that

the hourly rate is 30\frac{\$}{hour}

y=6+30h

in this linear equation

the independent variable is the variable h

the dependent variable is the variable y

<u>Convert to function notation</u>

Let

f(h)=y

f(h)=6+30h

Step 2

Find how much does the dog walker charge for a 45 minute walk

Convert the time in hours

1\ hour=60\ minutes

45\ minutes=45/60=0.75\ hours

substitute in the equation

For h=0.75\ hours

f(0.75)=6+30*(0.75)=\$28.5

therefore

<u>the answer is</u>

the dog walker charge for a 45 minute walk \$28.5

<u>Statements</u>

Step 3

<u>The dependent variable is the number of hours true or false</u>

The statement is false,

because the independent variable is the number of hours and the dependent variable is the walker fee in dollars

Step 4

<u>The function for the walker fee is f(h)= 30h+6 true or false</u>

The statement is True --------> see the Step 1

Step 5

<u>The dog walker charges $22.5 for a 45 min walk true or false</u>

The statement is False

Because the dog walker charges for a 45 minute walk \$28.5

5 0
3 years ago
Write down in terms of N and expression for the nth term of the following sequence 25 20 15 10 5
GREYUIT [131]

Answer:

30x-5

Step-by-step explanation:

25-5=20

20-5=15

-5  -10  -15  -20  -25

25  20  15   10     5

I hope that helped you

8 0
3 years ago
Find the percent of discount. Round to the nearest whole percent.
Margarita [4]

Answer:

Step-by-step explanation:

105.5x100/120=87.91so 100-88 = 22%

4 0
3 years ago
A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park length is 280 yards. What is the width
Anastaziya [24]

Answer:

56,000

Step-by-step explanation:

7 inches → 280 yards

1 inch → 280 ÷ 7 = 40 yards

5 inches → 40 x 5 = 200 yards

Area = 280 x 200 = 56 000 yards

3 0
3 years ago
Read 2 more answers
What integer is equivalent to 9 ^3/2
pashok25 [27]
I think it would be 10.5, although I'm not sure I hope this helps
4 0
3 years ago
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