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luda_lava [24]
3 years ago
5

Find the distance between the points given. (-1, -1) and (1, 3)

Mathematics
1 answer:
ra1l [238]3 years ago
5 0

Answer:

Step-by-step explanation:

DISTANCE FORMULA

D=(SQRT(X2-X1)^2+(Y2-Y1)^2)

SQRT(1-(-1))^2+(3-(-1)^2)

SQRT((2)^2+(4)^2)

SQRT(4+16)

SQRT(20)

2SQRT(5)

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How many<br>weeks are there in 81 days​
natima [27]

Answer: At least 8

Reason: A week has 7 days in it, so when you divide 81 by 7, you get 7.5, so when you round it, you get the number 8

<u><em>If you have any questions, corrections, or problems, let me know. I hope this helped</em></u>

4 0
2 years ago
Carol drove 720 km in 9 hours. What was her rate in km/hr?<br> Please help
Nastasia [14]

Answer:

80 km/hr

Step-by-step explanation:

This is asking for speed.

Speed=Distance/Time

Speed=720/9

Speed=80 km/hr

4 0
3 years ago
All of the functions shown below are either exponential growth or decay functions.
AlekseyPX

Answer:

Step-by-step explanation:

If an exponential function is in the form of y = a(b)ˣ,

a = Initial quantity

b = Growth factor

x = Duration

Condition for exponential growth → b > 1

Condition for exponential decay → 0 < b < 1

Now we ca apply this condition in the given functions,

1). y=3.2(1+0.45)^{2x}

   Here, (1 + 0.45) = 1.45 > 1

   Therefore, It's an exponential growth.

2). y=(0.85)^{3x}

    Here, (0.85) is between 0 and 1,

    Therefore, it's an exponential decay.

3). y = (1 - 0.03)ˣ + 4

    Here, (1 - 0.03) = 0.97

    And 0 < 0.97 < 1

    Therefore, It's an exponential decay.

4). y = 0.5(1.2)ˣ + 2

    Here, 1.2 > 1

    Therefore, it's an exponential growth.

5 0
2 years ago
Three apple pies, all the following shape, are left on a counter. How much total pie has been left?
faltersainse [42]
1 pie is the total pieeeeeeeeeee
6 0
2 years ago
Pie Chart 3: Drinking Water Services (of 7.8 Billion People)
bija089 [108]

Answer:

access to safe drinking water is a fundamental need and human right. Securing access for all would go a long way in reducing illness and death, especially among children. “Safely managed” drinking water services represent an ambitious new rung on the ladder used to track progress on drinking water.  Since 2000, 2 billion people have gained access to safely managed services (i.e., accessible on-premises, available when needed, and free from contamination). In 2020, 5.8 billion people used safely managed services and a further 2 billion people  used basic services ( improved sources within 30 minutes per round trip to collect water).

However, 771 million people still lacked even a basic level of service, including 282 who used a “limited” water service (improved source from which water collection exceeds 30 minutes), 367 million who used unimproved sources and 122 million who still collected drinking water directly from rivers, lakes, and other surface water sources. The data reveal pronounced disparities, with the poorest and those living in rural areas least likely to use a basic service. In most countries, the burden of water collection continues to fall mainly to women and girls.

Step-by-step explanation:

Sorry :(

7 0
2 years ago
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