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Lynna [10]
3 years ago
9

Kate drove 2 1/2 hours at an average speed of 55 miles per hour and 1 1/2 hours at an average speed of 65 miles per hour. How ma

ny miles did she travel.
Mathematics
1 answer:
TiliK225 [7]3 years ago
6 0

Answer:

UGDILQWuiFUIUOGVWEUO

Step-by-step explanation:

i was helpful

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The circle shown has a radius of 4 cm.
Vesna [10]

Answer:

8 cm

Step-by-step explanation:

4+4=8 To get the diameter, double the radius and add them together.

7 0
3 years ago
A hiker at a state park climbs to a ridge 1,220 feet higher than where she left the car. Then she hikes 670 feet down a steep cl
DedPeter [7]

Answer:

549 ft

Step-by-step explanation:

take 670ft away from 1,220 ft ( not all the way sure of I'm right)

6 0
3 years ago
What is the difference between these two integers?<br><br> −14 − (+6) =
sladkih [1.3K]

Answer:

-14-6=-20

Step-by-step explanation:

the negative sign gives you a negative 6, which you can subtract from -14, giving you -20.

8 0
3 years ago
How do you write a quadratic equation in standard form?
Lemur [1.5K]

Answer:

  • Powers of the variable descending left to right
  • right side of the equal sign is 0

Step-by-step explanation:

For some constants a, b, and c, the standard form* is ...

  ax^2 + bx + c = 0

___

It is nice if the leading coefficient (a) is positive, but that is not required.

The main ideas are that ...

  • Powers of the variable are descending
  • All of the non-zero terms are on the left side of the equal sign
  • Like terms are combined

_____

* This is the <em>standard form</em> for a quadratic. For other kinds of equations, when the expression is equal to zero, this would be called "general form."

3 0
3 years ago
Heather works part time at a movie theater where she earns $7.00
Nastasia [14]

Answer:

d. 1 grid equals 1 hour

Step-by-step explanation:

When plotting research data,  X-axis(or horizontal axis) usually used for independent variable and Y-axis is used for the dependent variable. In this case, Heather wants to know how much earning on different numbers of hours. The dependent variable is the earning and the independent variable is the hours, so you put hours on the horizontal axis.

You want to make a 10x10 grid of data and the hours ranged between 1-10. If you plot them equally, approximate scale will be: (10h-1h)/(10)= 0.9h/grid

The closest option is 1 hour per grid. It will provide the best visualization since it won't stretch or minimize the data too much.

8 0
3 years ago
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