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postnew [5]
3 years ago
15

Helen drives 195miles in 3 hours what is her average speed in mph

Mathematics
2 answers:
Vaselesa [24]3 years ago
3 0

Answer:

65 mph is the correct answer

ANTONII [103]3 years ago
3 0

Answer:

s=d/t

=195/3

=65 mph

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Will Mark Brainlest help pleaseeeeee​
Masja [62]

Answer:

h(2) = 7/4

h(-3) = -2

h(-2) = 11/(-8)

h(-3) - h(-2) = -(5/8)

Step-by-step explanation:

h(x) = (2x^2-x+1) / (3x-2)

h(2) = (2*2^2 - 2 + 1) / (3*2 - 2)

       = (8 - 2 + 1) / (6 - 2)

       = 7/4

h(-3) = {2*(-3)^2 - (-3) + 1} / {3*(-3) - 2}

        = (18 + 3 + 1) / (-9 - 2)

        = 22/(-11)

        = -2

h(-2) = {2*(-2)^2 - (-2) + 1} / {3*(-2) - 2}

        = (8 + 2 + 1) / (-6 - 2)

        = 11/(-8)

h(-3) - h(-2) = (-2) - {11/(-8)}

                  = -(5/8)

Hope this will help. Please give me brainliest.

7 0
3 years ago
Read 2 more answers
Write the equation for the line shown below in slope-intercept form.
Andrej [43]

The slope form equation is: y=mx+b so once you plug in the numbers available through the diagram you get.

y=3x+4

7 0
3 years ago
Read 2 more answers
Solve the equation for the unknown quantity.<br> 6y + 7 = 5y - 7<br> y= (Simplify your answer.)
Sedaia [141]

Answer:

y = -14 in simplest form hope this helped

Step-by-step explanation:

5 0
3 years ago
tell whether the angles are adjacent or vertical then find the value of x. can someone help me please i need all the answers
dmitriy555 [2]

Answer:

3. adjacent; 49
4. adjacent; 71

5. verticle; 41

6. adjacent; 14

Step-by-step explanation:

ok basically if the angles are next to each other, then they're adjacent and if they're across from eachother they're verticle.

to find 3:

set both equations equal to each other and solve because verticle angles are equal

to find 4:

add the 2 equations together and set it equal to 180 because adjacent angles add up to equal either a complementary angle or supplementary depending on the problem

6 0
2 years ago
18 Geometry question: Use an algebraic equation to find the measure of each angle that is representative in terms of X
Dmitrij [34]

Answer:

12x - 28° = 116°

7x + 32° = 116°

Step-by-step explanation:

12x - 28° and 7x + 32° are vertical angles. Vertical angles are congruent.

Therefore, to find the measure of each angle, we have to set each equation equal to each other as follows:

12x - 28° = 7x + 32°

Collect like terms

12x - 7x = 28 + 32

5x = 60

Divide both sides by 5

5x/5 = 60/5

x = 12

✔️12x - 28°

Plug in the value of x

12(12) - 28

= 144 - 28

= 116°

✔️7x + 32°

7(12) + 32

= 84 + 32

= 116°

4 0
2 years ago
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