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3 years ago

The answer to this problem

Mathematics

1 answer:

zhenek [66]3 years ago

5 0

Answer:

Step-by-step explanation:

The total amount cannot be more than 120lbs which means one side of the inequality has to be $\leq 120$

Each sausage (x) weighs 2lbs and each brisket (y) weighs 6lbs

So we get 2x+6y

So our equation must be 2x+6y $\leq 120$

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Does anyone know the answer to these two problems?

Nady [450]

Answer:

8) -8, -9

9) 4, $\frac{1}{2}$

Step-by-step explanation:

8) x² + 12x + 27

Solutions of a polynomial means the values of $x$ such that the polynomial becomes zero. $i.e., y = 0$ .

We use the following formula to determine the solutions of a quadratic equation of the form: $ax^2 + bx + c = 0$

$\implies x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$

In this equation, $a = 1; b = 12; c = 27$

Substituting in the formula, we have:

$x = \frac{-12 \pm \sqrt{144 - 108}}{2}$

$\implies x = \frac{-12 \pm 6}{2}$

Taking 2 common outside we get:

$x = - 6 \pm 3$

Therefore, we get two solutions viz, x = -3, -9.

9) 2x² - 9x + 4 = y

X- intercepts of a polynomial means the value of x such that y = 0. It means the roots of the polynomial.

Solving the equation using the formula above, we get:

$x = \frac{-(-9) \pm \sqrt{81 - 32}}{2(2)}$

$\implies x = \frac{9 \pm 7}{4}$

The values of x = 4, $\frac{1}{2}$ .

Hence, the answer.

8 0

4 years ago

In a sale a gameboys are reduced by two fifths. what is the sale price if the original price was 50

vladimir1956 [14]

Answer:

The sale price would be $30.

Step-by-step explanation:

2/5 is like saying 20/50. If you take 50 and subtract 20 from that, you will be left with 30.

4 0

3 years ago

What is 0.79 as a fraction in simplest form

andrew11 [14]

79/100 is the simplest form

3 0

3 years ago

Read 2 more answers

Luna invested $8000 for 36 months at an interest rate of 4.8% per month. How much money will Luna have at the end of her investm

Degger [83]

Answer : $ 9, 152

Luna invested $8000 for 36 months at an interest rate of 4.8%

Let P = principal

T = time

r = rate

Using the simple interest,

$\begin{gathered} I\text{ =}\frac{P\text{ x R x T}}{100} \\ P\text{ = \$8000} \\ r\text{ = 4.8\%} \\ t\text{ = 36 months} \\ 12\text{ months = 1 year} \\ 36\text{ months = x year} \\ \text{Cross multiply} \\ 12\cdot\text{ x = 1 x 36} \\ 12x\text{ = 36} \\ \text{Divide both sides by 12} \\ x\text{ = 36/12} \\ x\text{ = 3 years} \\ \text{Hence, t = 36 months = 3 years} \\ I\text{ = }\frac{8000\text{ x 3 x 4.8}}{100} \\ I\text{ = }\frac{115,\text{ 200}}{100} \\ I\text{ = \$1, 152} \end{gathered}$

The total balance = Interest + principal

Balance = 1, 152 + 8000

Balance =$9, 152

The total money she will have at the end of the investment is $9, 152

3 0

1 year ago

What number represents the same amount as 8 hundreds + 10 + 0 ones?

12345 [234]

Answer:

810

Step-by-step explanation:

hope it help you ☺☺....

5 0

3 years ago