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3 years ago

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Mathematics

1 answer:

seraphim [82]3 years ago

6 0

The slope would be -5/2
bc: you do the change in y over the change in x
so y2-y1 over (divided by) x2-x1
plug in the numbers for that
2-7 over 6-4
-5/2
final answer: -5/2

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3.) You deposited $5,000 in an account that pays 4% annual interest. Find the

Maurinko [17]

The balance after one year is $5200

Step-by-step explanation:

The formula to apply here is

$A=P(1+\frac{r}{n} )^{nt}$

where

A=Amount of money at the end of the period=?

P=the amount of money invested= $5000

r=rate of interest=4%=0.04

n=number of compounding per year=1

t=time in years=1

Applying the formula

$A=P(1+\frac{r}{n} )^{nt} \\\\\\A=5000(1+\frac{0.04}{1} )^{1} \\\\\\A=5000(1.04)\\\\A=5200$

A=$5200

Learn More

Compound Interest: brainly.com/question/12148233

Keywords : interest, compounded annually

#learnwithbrainly

6 0

4 years ago

Solve: 5x2 + 25x = 0

sammy [17]

Answer:

x = -0.4

x = -(2/5)

8 0

4 years ago

Read 2 more answers

A certain type of digital camera comes in either a 3-megapixel version or a 4 megapixel version. A camera store has received a s

Morgarella [4.7K]

Answer:

a) Hyper-geometric distribution

b1) P(X=2) = 0.424

b2) P(X>2) = 0.152

C1) Mean of X = 1.67

C2) Standard Deviation of X = 0.65

Step-by-step explanation:

b1) P(X = 2) = (5C2 * 7C2)/(12C4) = (10 * 21)/(495) = 210/495

P(X=2) = 0.424

b2) P(X>2) = 1 - P(X≤2) = 1 - [P(X=0) + P(X=1) + P(X=2)]

P(X=0) = (7C4)/(12C4) = 35/495 = 0.071

P(X=1) = (5C1 * 7C3)/(12C4) = (5 * 35)/(495) = 175/495 = 0.354

P(X=2) = 0.424

P(X>2) = 1 - P(X≤2) = 1 - [0.424 + 0.071 + 0.354]

P(X>2) = 0.152

C1) Mean of X = nk/N

k = number of 3-megapixel cameras = 5

n = number of selected cameras = 4

N = Total number of cameras = 12

Mean of X = 5*4/12

Mean of X = 1.67

C2) Standard Deviation of X

Standard deviation of X=(nk/N*(1-k/N)*(N-n)/(N-1))1/2

Standard Deviation of X=(4*(5/20)*(1-5/12)*((12-4)/(12-1))^1/2 =0.65

Standard Deviation of X = 0.65

4 0

3 years ago

5.The sales tax rate 6.3%. a. find the tax paid for a pair of earrings with a list price of $77

Nookie1986 [14]

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
The answer is $4.85;$81.85<span> which is B. </span>

6 0

4 years ago

Read 2 more answers

Find the value of x round to the nearest 10th

Solnce55 [7]

Answer:

x ≈ 12.9

Step-by-step explanation:

In relation to the angle in this right triangle, the sides marked are the adjacent side and the hypotenuse. The relevant trig relation is ...

Cos = Adjacent/Hypotenuse

cos(72°) = 4/x

Multiplying by x/cos(72°), we have ...

x = 4/cos(72°)

x ≈ 12.9

7 0

2 years ago

People meeeeeeeeeee​

People meeeeeeeeeee