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3 years ago

Which ordered pair in the form (X,Y) solution to this equation (x+y)y=10

Mathematics

1 answer:

Verizon [17]3 years ago

3 0

Answer:

X=3

Y=2

Step-by-step explanation:

(3+2)2=10

If you use this, please give me brainliest

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Suppose the following data show the introductory interest rates on a sample of 5 credit cards: 5.3, 2.3, 2.9, 4.3, 3.8. Calculat

evablogger [386]

Answer: 1.18

Step-by-step explanation:

Let m be mean

Mean= sum/ n

Mean= (5.3+2.3+2.9+4.3+3.8 ) / 5

m= 18.6 / 5

M= 3.72

Mean= 3.72

Standard deviation sample formula is:

S.D= sqrt((|x-m|^2) / n-1)

So let start with |x-m|^2

For 1st: |5.3-3.72|^2=2.4964

For 2nd: |2.3-3.72|^2=2.0164

For 3rd: |2.9-3.72|^2=0.6724

For 4th: |4.3-3.72|^2=0.3364

For 5th: |3.8-3.72|^2=0.0064

Summation of |x-m|^2 = 5.528

Standard deviation sample formula is:

S.D = sqrt((summation of |x-m|^2) / n-1)

S.D=sqrt(5.528 / 4)

S.D=sqrt(1.382)

S.D=1.176

S.D=1.18 to 2 decimal place

8 0

3 years ago

PLEASE HELP

ser-zykov [4K]

Answer:

f(x)=-5x+1

Step-by-step explanation:

i hope this works for you

7 0

3 years ago

Solve by substitution Y=5x+30 Y=2x

Ratling [72]

Answer: x= -10 and Y=-20

Step-by-step explanation:

If y is equal to 2x that mean you need to substitute Y=5x+30 like this 2x=5x+30

8 0

3 years ago

A) what is the simplified product of seven-fourths divided by eight-fifths as an improper fraction

Alex73 [517]

Answer:

First were going to put our numbers in perspective.

$\frac{7}{4}$ ÷ $\frac{8}{5}$

But to find the improper fraction, we have to cross multiply these numbers.

$\frac{7}{4}$ × $\frac{8}{5}$

7 x 5 = 35. 

4 x 8 = 32.

Now we have our improper fraction is $\frac{35}{32}$

To turn our improper fraction into a mixed number, we will use division.

We know that the 32 can only go into 35 one time. We also know that the bottom number always stays the same. So our equation will look somewhat like this.

$1\frac{?}{32}$

Now to fine the top number we will have to subtract 35 from 32 because we already know that 32 can go into 35 one time, so 35 - 32 = 3. So are mixed number will look like this.

$1\frac{3}{32}$

This is our answer!

4 0

3 years ago

Read 2 more answers

Write an inequality equation: Lyla has $100 in her bank account. She wants to buy presents that are $5 each. Wrapping paper will

lisov135 [29]

(100 - 25) / 5
15 presents

6 0

3 years ago