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lara31 [8.8K]
3 years ago
15

The distance AB rounded to the nearest tenth = [ ? ]

Mathematics
1 answer:
docker41 [41]3 years ago
7 0

Answer:

4.5 units

Step-by-step explanation:

To get the distance we need the coordinates of the points

A is ( 3,1)

B is (-1,-1)

Let A be (x1,y1) and B be (x2,y2)

So applying the formula, we have the distance as;

D = √(-1-3)^2 + (-1-1)^2

D = √(16 + 4)

D = √20

D = 4.5 units

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Aleksandr [31]

Answer:

5/13

Step-by-step explanation:

The sine of angle r is opposite over hypothenuse,5/13.

If you need help with sine cosine and tangent just remeber

sohcahtoa This means sine=opposite over hypotenuse, cosine=adjacent over hypotensuse, tangent=opposite over adjacent.

4 0
3 years ago
Consider the exponential function f(x)=250(1.03)^x which models Shawnda's savings account where x represents the number of years
kifflom [539]
<h2>Hello!</h2>

The answers are:

Part a: The money in the account is growing.

Part b: The rate of growth is 3%

Part c: The value 250 represents the starting amount of money.

<h2>Why?</h2>

To solve the problem, first, we must remember the structure of the exponential growth or decay function:

P(t)=StartAmount*(rate)^{t}

Where,

- Start Amount, is the starting value or amount

- Rate, is the rate of growth or decay, we must consider the following conditions:

If the rate is greater than 1, the rate is a growth rate.

If the rate is lower than 1, the rate is a decay rate.

- t, is the time elapsed.

Therefore, we are given the following function:

f(x)=250(1.03)^{x}

From the function we can see that:

- Since the rate is 1.03 and it's greater than 1, the money in the account is growing.

- From the function we already know that the rate of growth is equal to 1.03

The rate is calculated by the following formula:

Rate=1+percent(growth)

- The value 250 represents the starting amount of money.

Hence, the answers are:

Part a: The money in the account is growing.

Part b: The rate of growth is 3%

Part c: The value 250 represents the starting amount of money.

Have a nice day!

4 0
3 years ago
This diagram shows the dimensions of a concrete piece used to build a deck.
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If you help me with my last question I will help you with this one

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Thomas's cat, Rainwright, eats 0.8 cans of food every day. How much will Thomas spend on food in one week if each can costs $1.7
marshall27 [118]
1 week = 7 days
0.8 \times 7 \times 1.75 \\  = 9.8

Answer : Thomas spends $9.80 on food in one week.

Hope this helps. - M
3 0
3 years ago
-15.375÷0 equal to 0 ? or niether <br> EXPLAIN HOW YOU KNOW 3-4 SENTENCES
OleMash [197]

The answer to -15.375÷0 would be neither. This is because you can't divide any number by zero. Any number tried to be divided by zero would be undefined.

3 0
2 years ago
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