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3 years ago

Identify from the graph if there is correlation, and

Mathematics

2 answers:

svetoff [14.1K]3 years ago

5 0

Answer:

The answer is B) There is a correlation, and it is negative.

sleet_krkn [62]3 years ago

3 0

The answer is negative

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Donna borrowed $10, 500 at a simple interest rate of 4% for 3 years to buy her new car. How much interest would Donna pay and ho

k0ka [10]

Donna borrowed $10,500 at a simple interest rate of 4% for 3 years to buy her new car. How much interest would Donna pay and how much is the car altogether ?

<h3>Given:-</h3>

$\bullet$ Principal (P) = $10,500

$\bullet$ Rate of interest (r) = 4%

$\bullet$ Time (t) = 3 years

Interest of Donna and amount of car altogether.

<h2>Solution:-</h2>

We know,

${ \boxed{\rm \red {I \: = \frac{Prt}{100}}}}$

$\therefore$ I = $\frac{10,500 \: × \: 4 \: × \: 3}{100}$

I = $\frac{126,000}{100}$

I = $1260

Now,

Amount of the car = $ (10,500 + 1260)

= $ 11,760

<h3><u>$</u><u>1</u><u>2</u><u>6</u><u>0</u> interest would Donna pay and <u>$</u><u>1</u><u>1</u><u>,</u><u>7</u><u>6</u><u>0</u> is the car altogether. [Answer]</h3>

7 0

3 years ago

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The number of quarters required to play an arcade game varies directly with the number of levels played. The game requires 9 qua

dexar [7]

Answer:

45 quarters

Step-by-step explanation:

1. Think of this as the ration equation 9/3=x/15 where x is the number of quarters to play 15 levels

2. To solve the ratio, you need to cross multiply, and then divide

3. Multiply 9 times 15 (135)

4. Divide that number by 3 (45), and that's your answer!

5 0

3 years ago

Use the trend line to predict the wind chill at these wind speeds<br> (9 and 10)

vfiekz [6]

First, you need to find the trend line that you are going to use before you can answer question 9 and 10.

To do that select 2 points from your list and find the y = mx + b equation.

After you have your equation, all you need to do is plug in the values that you are given for x. Evaluate the expression and you will have your answer.

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3 years ago

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374 × 510<br><br> What are the partial products Lucas will need to solve the problem?

BabaBlast [244]

The partial products that Lucas would need to solve this problem would be 3,740 and 187,000 if you are multiplying 374 on the top column and 510 on the bottom column. Or, the partial products Lucas would need is 2,040 and 35,700 and 153,000. Both partial products combination added together would be 190,740.

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3 years ago

Need help with equations with variables on both sides, giving 100 points, tysm if you help :) 6 (2x-4) = 8(x +2) A. 3 B. 10 C. 2

scoundrel [369]

Answer:

B. 10

C. All real numbers.

Step-by-step explanation:

6 (2x-4) = 8(x + 2)

Distribute the numbers outside of the factors:

12x - 24 = 8x + 16

Subtract both sides by '8x'

12x - 8x - 24 = 8x - 8x + 16

4x - 24 = 16

Add '24' to both sides:

4x = 40

Divide both sides by 4:

x = 10. Therefore, <u>B. 10</u> is the correct answer.

3(4p - 2) = -6(1 - 2p)

Distribute the numbers similarly to the example before:

12p - 6 = -6 + 12p

Subtract '12p' from both sides:

12p - 12p -6 = -6 + 12p - 12p

0 -6 = -6

Add '6' to both sides:

0 - 6 + 6 = -6 + 6

0 = 0

Therefore, the solution consists of <u>all real numbers.</u>

3 0

3 years ago