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Tanya [424]
2 years ago
8

What is the solution of the system? Use substitution. y = x + 6 y = 2x

Mathematics
1 answer:
Setler [38]2 years ago
7 0
If y=12 and x=6 and we substitute this numbers to the equation. 12=6+6 is true and 2 (6)=12 is also true so B is the answer.
You might be interested in
B=2.35 + 0.25x
Neko [114]

Answer:

D. 3.35

Step-by-step explanation:

First we need to form an equation and solve it to find the number of weeks when the prices were the same. Because the prices were the same we can say that b = c, and therefore form the equation:

2.35 + 0.25x = 1.75 + 0.4x - Now we nee to solve it and find x.

2.35 - 1.75 = 0.4x - 0.25x

0.6 = 0.15x

x = 0.6 ÷ 0.15

x = 4 weeks

So now we substitute x into the equation for beef and find the price.

b = 2.35 + (0.25 × 4)

b = 2.35 + 1

b = $3.35 per pound

7 0
3 years ago
Use the table to find the ratio. Enter the ratio as a fraction in simplest form.
snow_tiger [21]

Answer:

4/19          

Step-by-step explanation:

8 0
2 years ago
Replace with <,>, or = to make a true statement: 2^5 4^2
Crank

Answer:

2^5>4^2

Step-by-step explanation:

{2}^{5}  >  {4}^{2}  \\ 32 > 16

hopefully this makes sense

:)

3 0
2 years ago
Question 7. K(7/4) equals ?
dusya [7]
Unless K is defined, this problem doesn’t make sense...even if we divide over k then k would eventually equal nothing (not zero)
3 0
3 years ago
a family buys a new home for $212,500 and pays a 20% down payment ($42,500). if the mortgage is for 15 years at 5.75% interest w
diamong [38]

Answer:

Their monthly house payment is of $2,184.65.

Step-by-step explanation:

Compound interest:

The compound interest formula is given by:

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

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.

A family buys a new home for $212,500 and pays a 20% down payment ($42,500).

This means that the loan is of 212,500 - 42,500 = $170,000, that is, P = 170,000

Value of the loan in 15 years:

15 years means that t = 15

5.75% interest means that r = 0.0575

Compounded yearly, so n = 1

Then

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

A(15) = 170000(1 + \frac{0.0575}{1})^{15}

A(15) = 393237

Monthly payment:

Total of $393,237 in 15*12 months. So

M = \frac{393237}{15*12} = 2184.65

Their monthly house payment is of $2,184.65.

5 0
3 years ago
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